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Daniel D Cook
Research Plant Physiologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Acute death as a result of poisoning tropical (Bos taurus indicus) but not temperate (Bos taurus taurus) cattle after oral dosing with Lupinus leucophyllus (velvet lupine) - (Peer Reviewed Journal)
Green, B.T., Welch, K.D., Lee, S.T., Davis, T.Z., Stonecipher, C.A., Stegelmeier, B.L., Cook, D. 2024. Acute death as a result of poisoning tropical (Bos taurus indicus) but not temperate (Bos taurus taurus) cattle after oral dosing with Lupinus leucophyllus (velvet lupine). Toxicon. 242. Article 107706. https://doi.org/10.1016/j.toxicon.2024.107706.
Case Report: Salvia reflexa-contaminated hay poisoning in cattle - (Peer Reviewed Journal)
Stonecipher, C.A., Gardner, D.R., Webb, B.T., Laegreid, W., Welch, K.D., Stegelmeier, B.L., Cook, D. 2024. Case Report: Salvia reflexa-contaminated hay poisoning in cattle. Bovine Practitioner Journal. 58(1):63-68. https://doi.org/10.21423/bovine-vol58no1p63-68.
Ruminant metabolism of zygacine, the major toxic alkaloid in foothill death camas (Zigadenus paniculatus) - (Peer Reviewed Journal)
Multiomics reveals mechanisms of Alternaria oxytropis inhibiting pathogenic fungi in Oxytropis ochrocephala - (Peer Reviewed Journal)
Keyi, F., Schardl, C.L., Cook, D., Cao, X., Ling, N., He, C., Wu, D., Xue, L., Li, Y., Shi, Z. 2024. Multiomics reveals mechanisms of Alternaria oxytropis inhibiting pathogenic fungi in Oxytropis ochrocephala. Journal of Agricultural and Food Chemistry. 3c09049. https://doi.org/10.1021/acs.jafc.3c09049.
Cecal Dilation in cattle ingesting Megathyrsus maximus (syn. Panicum maximum cv. Mombaça and cv. Tanzânia - (Peer Reviewed Journal)
Schons, S.V., Souza, T.L., Filho, J.V.D., Ferreira, E., Prado, E.J., Pfister, J., Cook, D., Riet-Correa, F. 2023. Cecal Dilation in cattle ingesting Megathyrsus maximus (syn. Panicum maximum cv. Mombaça and cv. Tanzânia. Toxicon. 238:107586. https://doi.org/10.1016/j.toxicon.2023.107586.
Larkspur toxicosis alters basal diet intake by cattle - (Peer Reviewed Journal)
Stonecipher, C.A., Green, B.T., Welch, K.D., Gardner, D.R., Cook, D. 2023. Larkspur toxicosis alters basal diet intake by cattle. Applied Animal Science. 39(5):257-263. https://doi.org/10.15232/aas.2023-02405.
Expedicao ao sitio historico e patrimonio cultural Kalunga: um relato de experiencia - (Peer Reviewed Journal)
Paim, R.S.P., Paula, L.G.F., Cardoso, W.S., Rocha, T.F.G., Ribeiro, A.L., Soares, D.M., Barros, N., Santos, F.C., Ferreira, H.D., Gomez-Klein, V.L., Soto-Blanco, B., Oliveira-Filho, J.P., Cunha, P.H.J., Riet-Correa, F., Pfister, J., Cook, D., Fioravanti, M.C.S., Botelho, A.F.M. 2023. Expedicao ao sitio historico e patrimonio cultural Kalunga: um relato de experiencia. HALAC - Historia Ambiental, Latinoamericana y Caribena. 13(2):309-320. https://doi.org/10.32991/2237-2717.2023v13i2.p309-320.
Silencing of the transmembrane transporter (swnT) gene of the fungus Slafractonia leguminicola results in a reduction of mycotoxin transport - (Peer Reviewed Journal)
Das, S., Gardner, D.R., Neyaz, M., Charleston III, A.B., Cook, D., Creamer, R. 2023. Silencing of the transmembrane transporter (swnT) gene of the fungus Slafractonia leguminicola results in a reduction of mycotoxin transport. Fungi. 9(3). Article 370. https://doi.org/10.3390/jof9030370.
Biomarkers and their potential for detecting livestock plant poisonings in western North America - (Peer Reviewed Journal)
Green, B.T., Welch, K.D., Lee, S.T., Stonecipher, C.A., Gardner, D.R., Stegelmeier, B.L., Davis, T.Z., Cook, D. 2023. Biomarkers and their potential for detecting livestock plant poisonings in western North America. Frontiers in Veterinary Science. 10. Article 1104702. https://doi.org/10.3389/fvets.2023.1104702.
Phylogenetic patterns of bioactive secondary metabolites produced by fungal endosymbionts in morning glories (Ipomoeaee, Convolvulaceae) - (Peer Reviewed Journal)
Quach, Q.N., Clay, K., Lee, S.T., Gardner, D.R., Cook, D. 2023. Phylogenetic patterns of bioactive secondary metabolites produced by fungal endosymbionts in morning glories (Ipomoeaee, Convolvulaceae). New Phytologist. 238(4):1351-1361. https://doi.org/10.1111/nph.18785.
Toxic plants from the perspective of a "Quilombola" community in the Cerrado region of Brazil - (Peer Reviewed Journal)
Paim, R.C., de Paula, L., Soares, D.S., Rocha, T.G., Ribeiro, A.L., Barros, N., dos Santos, F.C., Ferreira, H.D., Gomes-Klein, V.L., Soto-Blanco, B., de Oliveira-Filho, J.P., da Cunha, P., Riet-Correa, F., Pfister, J., Cook, D., Fioravanti, M., Botelho, A. 2023. Toxic plants from the perspective of a "Quilombola" community in the Cerrado region of Brazil. Toxicon. 224. Article 107028. https://doi.org/10.1016/j.toxicon.2023.107028.
Diversity of seed endophytes: Causes and implications - ()
Schardl, C.L., Afkhami, M.E., Gundel, P.E., Iannone, L.J., Young, C.A., Creamer, R., Cook, D., Berry, D. 2022. Diversity of seed endophytes: Causes and implications. In: Scott, B., Mesarich, C., editors. The Mycota: Plant relationships. 3rd Edition, Volume 5. Cham, CH: Springer Cham. p. 83-132. https://doi.org/10.1007/978-3-031-16503-0_5.
Cestrum axillare (Solanaceae) poisoning in ruminants - (Peer Reviewed Journal)
Ubiali, D.G., Lee, S.T., Gardner, D.R., Cook, D., Pereira, G.O., Riet-Correa, F. 2022. Cestrum axillare (Solanaceae) poisoning in ruminants. Toxicon. 218:76-82. https://doi.org/10.1016/j.toxicon.2022.09.005.
Indole-diterpenes alkaloid profiles of native grasses involved in tremorgenic syndromes in the Argentine Patagonia - (Peer Reviewed Journal)
Zabaleta, G., Lee, S.T., Cook, D., Aguilar, M., Iannone, L.J., Robles, C., Martinez, A. 2022. Indole-diterpenes alkaloid profiles of native grasses involved in tremorgenic syndromes in the Argentine Patagonia. Toxicon. 217:107-111. https://doi.org/10.1016/j.toxicon.2022.08.001.
Identification of two death camas chemotypes within a population and evaluation of toxicity - (Peer Reviewed Journal)
Stonecipher, C.A., Lee, S.T., Welch, K.D., Gardner, D.R., Cook, D. 2022. Identification of two death camas chemotypes within a population and evaluation of toxicity. Toxicon. 215:6-10. https://doi.org/10.1016/j.toxicon.2022.05.047.
Mineral-salt supplementation to ameliorate larkspur poisoning in cattle - (Peer Reviewed Journal)
Stonecipher, C.A., Green, B.T., Welch, K.D., Gardner, D.R., Fritz, S., Cook, D., Pfister, J.A. 2022. Mineral-salt supplementation to ameliorate larkspur poisoning in cattle. Journal of Animal Science. 100(5):01-14. Article skac133. https://doi.org/10.1093/jas/skac133.
Phylogenetic comparison of swainsonine biosynthetic gene clusters among fungi - (Peer Reviewed Journal)
Neyaz, M., Das, S., Cook, D., Creamer, R. 2022. Phylogenetic comparison of swainsonine biosynthetic gene clusters among fungi. The Journal of Fungi. 8(4). Article 359. https://doi.org/10.3390/jof8040359.
Phylogenetic patterns of swainsonine presence in morning glories - (Peer Reviewed Journal)
Quach, Q.N., Gardner, D.R., Clay, K., Cook, D. 2022. Phylogenetic patterns of swainsonine presence in morning glories. Frontiers in Microbiology. 13. Article 871148. https://doi.org/10.3389/fmicb.2022.871148.
Localization of the swainsonine-producing Chaetothyriales symbiont in the seed and shoot apical meristem in its host Ipomoea carnea - (Peer Reviewed Journal)
Neyaz, M., Gardner, D.R., Creamer, R., Cook, D. 2022. Localization of the swainsonine-producing Chaetothyriales symbiont in the seed and shoot apical meristem in its host Ipomoea carnea. Microorganisms. 10(3). Article 545. https://doi.org/10.3390/microorganisms10030545.
Evaluation of diazepam as a drug treatment for water hemlock (Cicuta species) poisoning in Spanish goats Reprint Icon - (Peer Reviewed Journal)
Green, B.T., Stonecipher, C.A., Welch, K.D., Lee, S.T., Cook, D. 2022. Evaluation of diazepam as a drug treatment for water hemlock (Cicuta species) poisoning in Spanish goats. Toxicon. 205:79-83. https://doi.org/10.1016/j.toxicon.2021.12.003.
Toxic plants - ()
Welch, K.D., Green, B.T., Gardner, D.R., Stonecipher, C.A., Cook, D. 2022. Toxic plants. In: Gupta, R.C., editor. Reproductive and Developmental Toxicology. Third Edition. San Diego, CA: Academic Press. p. 933-953. https://doi.org/10.1016/B978-0-323-89773-0.00046-1.
Rapid quantitative analysis of toxic norditerpenoid alkaloids in larkspur (Delphinium spp.) by flow injection - electrospray ionization - mass spectrometry - (Peer Reviewed Journal)
Gardner, D.R., Lee, S.T., Cook, D. 2021. Rapid quantitative analysis of toxic norditerpenoid alkaloids in larkspur (Delphinium spp.) by flow injection - electrospray ionization - mass spectrometry. Poisonous Plant Research. 4:10-19. https://doi.org/10.26077/jy40-h384.
Plant and Animal Toxins. In: Hayes, A.W., Kobets, T. editors. Hayes' Principles and Methods of Toxicology. 7th edition. Boca Raton, FL: CRC Press - ()
Welch, K.D., King, G., White, J., Pearson, L., Neilan, B., Cook, D. 2023. Plant and Animal Toxins. In: Hayes, A.W., Kobets, T. editors. Hayes' Principles and Methods of Toxicology. 7th edition. Boca Raton, FL: CRC Press. p. 755-830. https://doi.org/10.1201/9781003104391.
Genetic relationships in the toxin-producing fungal endophyte, Alternaria oxytropis using polyketide synthase and non-ribosomal peptide synthase genes - (Peer Reviewed Journal)
Creamer, R., Hille, D.B., Neyaz, M., Nusayr, T., Schardl, C.L., Cook, D. 2021. Genetic relationships in the toxin-producing fungal endophyte, Alternaria oxytropis using polyketide synthase and non-ribosomal peptide synthase genes. The Journal of Fungi. 7(7). Article 538. https://doi.org/10.3390/jof7070538.
Ectopic growth of the Chaetothyriales fungal symbiont on Ipomoea carnea - (Peer Reviewed Journal)
Noor, A.I., Nava, A., Neyaz, M., Cooke, P., Creamer, R., Cook, D. 2021. Ectopic growth of the Chaetothyriales fungal symbiont on Ipomoea carnea. Botany. 99(10):619-627. https://doi.org/10.1139/cjb-2021-0037.
Toxicity of the swainsonine-containing plant Ipomoea carnea subsp. fistulosa for goats and sheep - (Peer Reviewed Journal)
Oliveira, C.A., Riet-Correa, G., Lima, E., Medeiros, R., Miraballes, C., Pfister, J.A., Gardner, D.R., Cook, D., Riet-Correa, F. 2021. Toxicity of the swainsonine-containing plant Ipomoea carnea subsp. fistulosa for goats and sheep. Toxicon. 197:40-47. https://doi.org/10.1016/j.toxicon.2021.04.013.
The use of herbarium voucher specimens to investigate phytochemical composition in poisonous plant research - (Peer Reviewed Journal)
Cook, D., Lee, S.T., Gardner, D.R., Molyneux, R.J., Johnson, R.L., Taylor, C.M. 2021. The use of herbarium voucher specimens to investigate phytochemical composition in poisonous plant research. Journal of Agricultural and Food Chemistry. 69(14):4037-4047. https://doi.org/10.1021/acs.jafc.1c00708.
A suite of rare microbes interacts with a dominant, heritable, fungal endophyte to influence plant trait expression - (Peer Reviewed Journal)
Harrison, J.G., Beltran, L.P., Buerkle, C.A., Cook, D., Gardner, D.R., Parchman, T.L., Poulson, S.R., Forister, M.L. 2021. A suite of rare microbes interacts with a dominant, heritable, fungal endophyte to influence plant trait expression . The ISME Journal: Multidisciplinary Journal of Microbial Ecology. 15:2763-2778. https://doi.org/10.1038/s41396-021-00964-4.
Fatal stagger poisoning by consumption of Festuca argentina (speg.) Parodi in goats from Argentine Patagonia - (Peer Reviewed Journal)
Martinez, A., Cook, D., Lee, S.T., Sola, D., Bain, L., Borrelli, L., Acin, C., Gardner, D.R., Robles, C. 2020. Fatal stagger poisoning by consumption of Festuca argentina (speg.) Parodi in goats from Argentine Patagonia. Toxicon. 185:191-197. https://doi.org/10.1016/j.toxicon.2020.08.004.
Diterpenoids from Gutierrezia sarothrae and G. microcephala: chemical diversity, chemophenetics and implications to toxicity in grazing livestock - (Peer Reviewed Journal)
Gardner, D.R., Cook, D., Larsen, S.W., Stonecipher, C.A., Johnson, R. 2020. Diterpenoids from Gutierrezia sarothrae and G. microcephala: chemical diversity, chemophenetics and implications to toxicity in grazing livestock. Phytochemistry. 178. https://doi.org/10.1016/j.phytochem.2020.112465.
Seasonal variation in toxic steroidal alkaloids of foothill death camas (Zigadenus paniculatus) Reprint Icon - (Peer Reviewed Journal)
Stonecipher, C.A., Cook, D., Welch, K.D., Gardner, D.R., Pfister, J.A. 2020. Seasonal variation in toxic steroidal alkaloids of foothill death camas (Zigadenus paniculatus). Biochemical Systematics and Ecology. 90. https://doi.org/10.1016/j.bse.2020.104044.
Livestock preference for endophyte-infected or endophyte-free Oxytropis sericea, Ipomoea carnea, and Ipomoea asarifolia - (Peer Reviewed Journal)
Pfister, J.A., Cook, D., Lee, S.T., Gardner, D.R., Riet-Correa, F. 2020. Livestock preference for endophyte-infected or endophyte-free Oxytropis sericea, Ipomoea carnea, and Ipomoea asarifolia. Poisonous Plant Research. 3:58-73. https://doi.org/10.26077/8h4g-v983.
An evaluation of the susceptibility of goats to larkspur toxicosis - (Peer Reviewed Journal)
Welch, K.D., Stonecipher, C.A., Gardner, D.R., Green, B.T., Cook, D. 2020. An evaluation of the susceptibility of goats to larkspur toxicosis. Poisonous Plant Research. 3:19-27. https://doi.org/10.26077/y7pp-q806.
Molecular differentiation of Astragalus species and varieties from the Western United States: the chloroplast DNA bridge between evolution and molecular systematics - (Peer Reviewed Journal)
Neyaz, M., Cook, D., Creamer, R. 2020. Molecular differentiation of Astragalus species and varieties from the Western United States: the chloroplast DNA bridge between evolution and molecular systematics. Poisonous Plant Research. 3:1-18. https://doi.org/10.26077/6vtc-b962.
The acute toxicity of water hemlock (Cicuta douglasii) in a goat model - (Peer Reviewed Journal)
Welch, K.D., Stonecipher, C.A., Lee, S.T., Cook, D. 2020. The acute toxicity of water hemlock (Cicuta douglasii) in a goat model. Toxicon. 176:55-58. https://doi.org/10.1016/j.toxicon.2020.02.010.
Geographical and seasonal variation in water hemlock (Cicuta maculata) toxins Reprint Icon - (Peer Reviewed Journal)
Stonecipher, C.A., Welch, K.D., Lee, S.T., Cook, D., Pfister, J.A. 2020. Geographical and seasonal variation in water hemlock (Cicuta maculata) toxins. Biochemical Systematics and Ecology. 89. https://doi.org/10.1016/j.bse.2020.104012.
Dynamics of larkspur (Delphinium barbeyi) pellet consumption and tolerance of the inhibitory effects of larkspur alkaloids on muscle function in cattle - (Peer Reviewed Journal)
Green, B.T., Pfister, J.A., Gardner, D.R., Welch, K.D., Cook, D. 2020. Dynamics of larkspur (Delphinium barbeyi) pellet consumption and tolerance of the inhibitory effects of larkspur alkaloids on muscle function in cattle. Poisonous Plant Research. 3:28-41. https://doi.org/10.26077/zsrd-d783.
Larkspur poisoning of cattle: plant and animal factors that influence plant toxicity - (Peer Reviewed Journal)
Green, B.T., Gardner, D.R., Stonecipher, C.A., Lee, S.T., Pfister, J.A., Welch, K.D., Cook, D., Davis, T.Z., Stegelmeier, B.L. 2020. Larkspur poisoning of cattle: plant and animal factors that influence plant toxicity. Rangelands. 42(1):1-8. https://doi.org/10.1016/j.rala.2020.01.004.
Analysis of rumen contents and ocular fluid for toxic alkaloids from goats and cows dosed larkspur (Delphinium berbeyi), lupine (Lupinus leucophyllus), and death camas (Zigadenus paniculatus) - (Peer Reviewed Journal)
Lee, S.T., Welch, K.D., Stonecipher, C.A., Cook, D., Gardner, D.R., Pfister, J.A. 2020. Analysis of rumen contents and ocular fluid for toxic alkaloids from goats and cows dosed larkspur (Delphinium berbeyi), lupine (Lupinus leucophyllus), and death camas (Zigadenus paniculatus). Toxicon. 176: 21-29. https://doi.org/10.1016/j.toxicon.2020.01.003.
Detection of swainsonine-producing endophytes in Patagonian Astragalus species - (Peer Reviewed Journal)
Martinez, A., Robles, C., Roper, J.M., Gardner, D.R., Neyaz, M., Joelson, N., Cook, D. 2019. Detection of swainsonine-producing endophytes in Patagonian Astragalus species. Toxicon. 117:1-6. https://doi.org/10.1016/j.toxicon.2019.09.020.
Clinical and pathological comparison of Astragalus lentiginosus and Ipomoea carnea poisoning in goats - (Peer Reviewed Journal)
Carvalho Nunes, L., Stegelmeier, B.L., Cook, D., Pfister, J.A., Gardner, D.R., Riet-Correa, F., Welch, K.D. 2019. Clinical and pathological comparison of Astragalus lentiginosus and Ipomoea carnea poisoning in goats. Toxicon. 171:20-28. https://doi.org/10.1016/j.toxicon.2019.09.016.
Biodiversity of Convolvulaceous species that contain ergot alkaloids, indole diterpene alkaloids, and swainsonine - (Peer Reviewed Journal)
Cook, D., Lee, S.T., Panaccione, D.G., Leadmon, C.E., Clay, K., Gardner, D.R. 2019. Biodiversity of Convolvulaceous species that contain ergot alkaloids, indole diterpene alkaloids, and swainsonine. Biochemical Systematics and Ecology. 86. https://doi.org/10.1016/j.bse.2019.103921.
Herbaspirillum seropedicae as a degrading bacterium of monofluoracetate: effects of its inoculation in goats by ingesting Amorimia septentrionalis and the concentrations of this compound in plants sprayed with the bacterium - (Peer Reviewed Journal)
Pessoa, D.A., Lopes, J.R., Souza, E.M., Campos, E.M., Medeiros, R.M., Cook, D., Lee, S.T., Riet-Correa, F. 2019. Herbaspirillum seropedicae as a degrading bacterium of monofluoracetate: effects of its inoculation in goats by ingesting Amorimia septentrionalis and the concentrations of this compound in plants sprayed with the bacterium. Pesquisa Veterinaria Brasileira. 39(10):802-806. https://doi.org/10.1590/1678-5150-pvb-6305.
Animal and plant factors which affect larkspur toxicosis in cattle: Sex, age, breed, and plant chemotype - (Peer Reviewed Journal)
Green, B.T., Keele, J.W., Bennett, G.L., Gardner, D.R., Stonecipher, C.A., Cook, D., Pfister, J.A. 2019. Animal and plant factors which affect larkspur toxicosis in cattle: Sex, age, breed, and plant chemotype. Toxicon. 165:31-39. https://doi.org/10.1016/j.toxicon.2019.04.013.
Pollen and vegetative secondary chemistry of three pollen-rewarding lupines - (Peer Reviewed Journal)
Heiling, J.M., Cook, D., Lee, S.T., Irwin, R.E. 2019. Pollen and vegetative secondary chemistry of three pollen-rewarding lupines. American Journal of Botany. 106(5):643–655. https://doi.org/10.1002/ajb2.1283.
Bioassay-guided isolation and structure elucidation of fungicidal and herbicidal compounds from Ambrosia salsola (Asteraceae) - (Peer Reviewed Journal)
Perera, W.H., Meepagala, K.M., Fronczek, F.R., Cook, D., Wedge, D.E., Duke, S.O. 2019. Bioassay-guided isolation and structure elucidation of fungicidal and herbicidal compounds from Ambrosia salsola (Asteraceae). Molecules. 24:1-12. https://doi.org/10.3390/molecules24050835.
Evaluation of noninvasive specimens to diagnose livestock exposure to toxic larkspur (Delphinium spp.) - (Peer Reviewed Journal)
Stonecipher, C.A., Lee, S.T., Green, B.T., Cook, D., Welch, K.D., Pfister, J.A., Gardner, D.R. 2019. Evaluation of noninvasive specimens to diagnose livestock exposure to toxic larkspur (Delphinium spp.). Toxicon. 161:33-39. https://doi.org/10.1016/j.toxicon.2019.02.013.
Bioactive alkaloids from plants poisonous to livestock in North America - ()
Green, B.T., Lee, S.T., Gardner, D.R., Welch, K.D., Cook, D. 2019. Bioactive alkaloids from plants poisonous to livestock in North America. Israel Journal of Chemistry. 59(5):351-359. https://doi.org/10.1002/ijch.201800169.
Sex-dependent differences for larkspur (Delphinium barbeyi) toxicosis in yearling Angus cattle - (Peer Reviewed Journal)
Green, B.T., Keele, J.W., Gardner, D.R., Welch, K.D., Bennett, G.L., Cook, D., Pfister, J.A., Davis, T.Z., Stonecipher, C.A., Lee, S.T., Stegelmeier, B.L. 2019. Sex-dependent differences for larkspur (Delphinium barbeyi) toxicosis in yearling Angus cattle. Journal of Animal Science. 97(3):1424-1432. https://doi.org/10.1093/jas/skz002.
The effect of alkaloid composition of larkspur (Delphinium) species on the intoxication of Angus heifers - (Peer Reviewed Journal)
Green, B.T., Gardner, D.R., Pfister, J.A., Welch, K.D., Bennett, G.L., Cook, D. 2019. The effect of alkaloid composition of larkspur (Delphinium) species on the intoxication of Angus heifers. Journal of Animal Science. 97(3):1415-1423. https://doi.org/10.1093/jas/skz004.
An evaluation of hair, oral fluid, earwax, and nasal mucus as noninvasive specimens to determine livestock exposure to teratogenic lupine species - (Peer Reviewed Journal)
Lee, S.T., Stonecipher, C.A., Carriao Dos Santos, F., Pfister, J.A., Welch, K.D., Cook, D., Green, B.T., Gardner, D.R., Panter, K.E. 2019. An evaluation of hair, oral fluid, earwax, and nasal mucus as noninvasive specimens to determine livestock exposure to teratogenic lupine species. Journal of Agricultural and Food Chemistry. 67(1):43–49. https://doi.org/10.1021/acs.jafc.8b05673.
Assessment of endophyte-derived tremorgenic compounds in Ipomoea asarifolia using mouse models - (Peer Reviewed Journal)
Welch, K.D., Pfister, J.A., Cook, D., Carriao Dos Santos, F., Lee, S.T. 2018. Assessment of endophyte-derived tremorgenic compounds in Ipomoea asarifolia using mouse models. Toxicon. 156:52-60. https://doi.org/10.1016/j.toxicon.2018.11.008.
Neonatal mortality associated with sodium monofluoracetate in kids fed with colostrum from goats ingesting Amorimia septentrionalis - (Peer Reviewed Journal)
Lopes, J.R., Araujo, J.A., Pessoa, D.A., Lee, S.T., Cook, D., Riet-Correa, F., Medeiros, R.M. 2019. Neonatal mortality associated with sodium monofluoracetate in kids fed with colostrum from goats ingesting Amorimia septentrionalis. Pesquisa Veterinaria Brasileira. 39(3):163-167. https://doi.org/10.1590/1678-5150-pvb-5949.
Grazing of Delphinium occidentale (duncecap larkspur) by susceptible and resistant cattle - (Peer Reviewed Journal)
Pfister, J.A., Green, B.T., Gardner, D.R., Welch, K.D., Cook, D., Stonecipher, C.A. 2018. Grazing of Delphinium occidentale (duncecap larkspur) by susceptible and resistant cattle. Professional Animal Scientist. 34(6):581-593. https://doi.org/10.15232/pas.2018-01775.
Age-dependent intoxication by larkspur (Delphinium) in Angus steers - (Peer Reviewed Journal)
Green, B.T., Gardner, D.R., Cook, D., Pfister, J.A., Welch, K.D., Keele, J.W. 2018. Age-dependent intoxication by larkspur (Delphinium) in Angus steers. Toxicon. 152:57-59. https://doi.org/10.1016/j.toxicon.2018.07.020.
Detection of swainsonine and calystegines in Convolvulaceae species from the semiarid region of Pernambuco - (Peer Reviewed Journal)
Mendonca, F.S., Siva Filho, G.B., Chaves, H.A., Aires, L.D., Braga, T.C., Gardner, D.R., Cook, D., Buril, M.T. 2018. Detection of swainsonine and calystegines in Convolvulaceae species from the semiarid region of Pernambuco. Pesquisa Veterinaria Brasileira. 38(11):2044-2051. http://doi.org/10.1590/1678-5150-PVB-5945.
Tremorgenic indole diterpenes from Ipomoea asarifolia and Ipomoea muelleri and the identification of 6,7-dehydro-11-hydroxy-12,13-epoxyterpendole A - (Peer Reviewed Journal)
Gardner, D.R., Welch, K.D., Lee, S.T., Cook, D., Riet-Correa, F. 2018. Tremorgenic indole diterpenes from Ipomoea asarifolia and Ipomoea muelleri and the identification of 6,7-dehydro-11-hydroxy-12,13-epoxyterpendole A. Journal of Natural Products. 81(7):1682-1686. https://doi.org/10.1021/acs.jnatprod.8b00257.
Potencial toxigenico de Astragalus pehuenches Niederl en Argentina - (Peer Reviewed Journal)
Martinez, A., Gardner, D.R., Cook, D., Gimeno, E.J., Robles, C.A. 2019. Potencial toxigenico de Astragalus pehuenches Niederl en Argentina. Revista de Ivestigaciones Agropecuaria. 44(3):378-383.
Chemical analysis of plants that poison livestock: Successes, challenges, and opportunities - (Peer Reviewed Journal)
Welch, K.D., Lee, S.T., Cook, D., Gardner, D.R., Pfister, J.A. 2018. Chemical analysis of plants that poison livestock: Successes, challenges, and opportunities. Journal of Agricultural and Food Chemistry. 66(13):3308-3314. https://doi.org/10.1021/acs.jafc.8b00337.
A heritable symbiont and host-associated factors shape fungal endophyte communities across spatial scales - (Peer Reviewed Journal)
Harrison, J.G., Parchman, T.L., Cook, D., Gardner, D.R., Forister, M.L. 2018. A heritable symbiont and host-associated factors shape fungal endophyte communities across spatial scales. Journal of Ecology. 1-13. https://doi.org/10.1111/1365-2745.12967.
Complete inhibition of fetal movement in the day 40 pregnant goat model by the piperidine alkaloid anabasine but not related alkaloids - (Peer Reviewed Journal)
Green, B.T., Lee, S.T., Keele, J.W., Welch, K.D., Cook, D., Pfister, J.A., Kem, W.R. 2018. Complete inhibition of fetal movement in the day 40 pregnant goat model by the piperidine alkaloid anabasine but not related alkaloids. Toxicon. 144:61-67. https://doi.org/10.1016/j.toxicon.2018.02.007.
Genetic relationships among different chemotypes of Lupinus sulphureus - (Peer Reviewed Journal)
Cook, D., Mott, I.W., Larson, S.R., Lee, S.T., Johnson, R., Stonecipher, C.A. 2018. Genetic relationships among different chemotypes of Lupinus sulphureus. Journal of Agricultural and Food Chemistry. 66(8):1773-1783. https://doi.org/10.1021/acs.jafc.7b05884.
Evidence of non-pathogenic relationship of Alternaria section Undifilum endophytes within three host locoweed plant species - (Peer Reviewed Journal)
Noor, A.I., Nava, A., Cooke, P., Cook, D., Creamer, R. 2018. Evidence of non-pathogenic relationship of Alternaria section Undifilum endophytes within three host locoweed plant species. Botany. 96(3):187–200. https://doi.org/10.1139/cjb-2017-0117.
A screen for swainsonine among South American Astragalus species - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Martinez, A., Robles, C., Pfister, J.A. 2018. A screen for swainsonine among South American Astragalus species. Toxicon. 139:54-57. https://doi.org/10.1016/j.toxicon.2017.09.014.
RNAi-mediated down-regulation of a melanin polyketide synthase (pks1) gene in the fungus Slafractonia leguminicola - (Peer Reviewed Journal)
Alhawatema, M.S., Gebril, S., Cook, D., Creamer, R. 2017. RNAi-mediated down-regulation of a melanin polyketide synthase (pks1) gene in the fungus Slafractonia leguminicola. World Journal of Microbiology and Biotechnology. 33(10):179. https://doi.org/10.1007/s11274-017-2346-y.
Two Delphinium ramosum chemotypes, their biogeographical distribution and potential toxicity - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Lee, S.T., Stonecipher, C.A., Pfister, J.A., Welch, K.D., Green, B.T. 2017. Two Delphinium ramosum chemotypes, their biogeographical distribution and potential toxicity. Biochemical Systematics and Ecology. 75:1-9. https://doi.org/10.1016/j.bse.2017.09.002.
Poisonous plants of the United States - ()
Panter, K.E., Welch, K.D., Gardner, D.R., Lee, S.T., Green, B.T., Pfister, J.A., Cook, D., Davis, T.Z., Stegelmeier, B.L. 2018. Poisonous plants of the United States. In: Gupta, R.C., editor. Veterinary Toxicology, Basic and Clinical Principles. 3rd edition. Oxford, UK: Elsevier. p. 825-872.
Identification of indole diterpenes in Ipomoea asarifolia and Ipomoea muelleri, plants tremorgenic to livestock - (Peer Reviewed Journal)
Lee, S.T., Gardner, D.R., Cook, D. 2017. Identification of indole diterpenes in Ipomoea asarifolia and Ipomoea muelleri, plants tremorgenic to livestock. Journal of Agricultural and Food Chemistry. 65:5266-5277. https://doi.org/10.1021/acs.jafc.7b01834.
Poisoning in goats by the monofluoracetate-containing plant Palicourea aeneofusca (Rubiaceae) - (Peer Reviewed Journal)
de Oliveira Neto, T.S., Riet-Correa, F., Lee, S.T., Cook, D., Sousa Barbosa, F.M., da Silva Neto, J.F., Simões, S.V., Lucena, R.B. 2017. Poisoning in goats by the monofluoracetate-containing plant Palicourea aeneofusca (Rubiaceae). Toxicon. 135:12-16. https://doi.org/10.1016/j.toxicon.2017.05.025.
Anagyrine desensitization of peripheral nicotinic acetylcholine receptors. A potential biomarker of quinolizidine alkaloid teratogenesis in cattle. - (Peer Reviewed Journal)
Green, B.T., Lee, S.T., Welch, K.D., Cook, D. 2017. Anagyrine desensitization of peripheral nicotinic acetylcholine receptors. A potential biomarker of quinolizidine alkaloid teratogenesis in cattle.. Research in Veterinary Science. 115:195-200. doi: 10.1016/j.rvsc.2017.04.019.
Swainsonine biosynthesis genes in diverse symbiotic and pathogenic fungi - (Peer Reviewed Journal)
Cook, D., Donzelli, B., Creamer, R., Baucom, D.L., Gardner, D.R., Pan, J., Moore, N., Krasnoff, S., Jaromczyk, J.W., Schardl, C.L. 2017. Swainsonine biosynthesis genes in diverse symbiotic and pathogenic fungi. G3, Genes/Genomes/Genetics. 7(6):1791-1797. https://doi.org/10.1534/g3.117.041384.
Changes in the rumen bacterial microbiome of cattle exposed to ponderosa pine needles - (Peer Reviewed Journal)
Welch, K.D., Stonecipher, C.A., Gardner, D.R., Cook, D., Pfister, J.A. 2017. Changes in the rumen bacterial microbiome of cattle exposed to ponderosa pine needles. Journal of Animal Science. 95:2314–2322. doi: 10.2527/jas2016.1228.
Effects of elevated CO2 on the swainsonine chemotypes of Astragalus lentiginosus and Astragalus mollissimus - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Pfister, J.A., Stonecipher, C.A., Robins, J.G., Morgan, J.A. 2017. Effects of elevated CO2 on the swainsonine chemotypes of Astragalus lentiginosus and Astragalus mollissimus. Journal of Chemical Ecology. 43(3):307-316.
Administering multiple doses of a non N-(methylsuccinimido) anthranoyllycoctonine (MSAL)-containing tall larkspur (Delphinium occidentale) to cattle - (Peer Reviewed Journal)
Welch, K.D., Stonecipher, C.A., Green, B.T., Gardner, D.R., Cook, D., Pfister, J.A. 2017. Administering multiple doses of a non N-(methylsuccinimido) anthranoyllycoctonine (MSAL)-containing tall larkspur (Delphinium occidentale) to cattle. Toxicon. 128:46-49. doi: 10.1016/j.toxicon.2017.01.020.
A survey of swainsonine content in Swainsona species - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Welch, K.D., Allen, J.G. 2017. A survey of swainsonine content in Swainsona species. The Australian Rangeland Journal. 39:213-218. https://doi.org/10.1071/RJ16088.
Intoxicação experimental por Niedenzuella stannea (Malpighiaceae) em ovinos - (Peer Reviewed Journal)
Caldeira, F.H., Arruda, F.P., Shenkel, D.M., Marcolong-Pereira, C., Lee, S.T., Cook, D., Riet-Correa, F., Colodel, E.M. 2017. Intoxicação experimental por Niedenzuella stannea (Malpighiaceae) em ovinos. Pesquisa Veterinaria Brasileira. 37(7):681-685. https://doi.org/10.1590/S0100-736X2017000700005.
Experimental poisoning by Niedenzuella stannea in cattle and corresponding detection of monofluoroacetate - (Peer Reviewed Journal)
Peixoto De Arruda, F., Bravim Caldeira, F.H., Ducatti, K., Bezerra, K.S., Marcolongo-Pereira, C., Lee, S.T., Cook, D., Riet-Correa, F., Colodel, E. 2017. Experimental poisoning by Niedenzuella stannea in cattle and corresponding detection of monofluoroacetate. Ciencia Rural. 47(03):e20160761. http://dx.doi.org/10.1590/0103-8478cr20160761.
A gas chromatography-mass spectrometry (GC-MS) method for the detection and quantitation of monofluoroacetate in plants toxic to livestock - (Peer Reviewed Journal)
Santos-Barbosa, J.M., Lee, S.T., Cook, D., Gardner, D.R., Viana, L.H., Re, N. 2017. A gas chromatography-mass spectrometry (GC-MS) method for the detection and quantitation of monofluoroacetate in plants toxic to livestock. Journal of Agricultural and Food Chemistry. 65(7):1428–1433. https://doi.org/10.1021/acs.jafc.7b00294.
Experimental poisoning by Niedenzuella stannea in cattle and corresponding detection of monofluoroacetate (Intoxicação experimental por Niedenzuella stannea em bovinos e correspondente detecção de monofluoroacetato) - (Peer Reviewed Journal)
Fungicide treatment and clipping of Oxytropis sericea does not disrupt swainsonine concentrations - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Roper, J.M., Ransom, C.V., Pfister, J.A., Panter, K.E. 2016. Fungicide treatment and clipping of Oxytropis sericea does not disrupt swainsonine concentrations. Toxins. 122:26-30. https://doi.org/10.1016/j.toxicon.2016.09.012.
USDA-ARS Poisonous Plant Research Laboratory: History and current research on western North American rangelands - (Peer Reviewed Journal)
Pfister, J.A., Cook, D., Panter, K.E., Welch, K.D., James, L.F. 2016. USDA-ARS Poisonous Plant Research Laboratory: History and current research on western North American rangelands. Rangelands. 38(5):241-249.
Natural toxins of plant origin (phytotoxins) - ()
Welch, K.D., Lee, S.T., Cook, D., Green, B.T., Panter, K.E. 2017. Natural toxins of plant origin (phytotoxins). In: Witczak, Al, Sikorshi, Z.E., editors. Toxins and Other Harmfuil Compounds in Foods (Chemical and Functional Properties of Food Components Series). 1st edition. Boca Raton, FL: CRC Press. p.7-52.
Analysis of swainsonine and swainsonine N-oxide as trimethylsilyl derivatives by Liquid Chromatography-Mass Spectrometry and their relative occurrence in plants toxic to livestock Reprint Icon - (Peer Reviewed Journal)
Gardner, D.R., Cook, D. 2016. Analysis of swainsonine and swainsonine N-oxide as trimethylsilyl derivatives by Liquid Chromatography-Mass Spectrometry and their relative occurrence in plants toxic to livestock. Journal of Agricultural and Food Chemistry. 64(31):6156-6162.
Comparison of the serum toxicokinetics of larkspur toxins in cattle, sheep and goats Reprint Icon - (Peer Reviewed Journal)
Welch, K.D., Gardner, D.R., Green, B.T., Stonecipher, C.A., Cook, D., Pfister, J.A. 2016. Comparison of the serum toxicokinetics of larkspur toxins in cattle, sheep and goats. Toxicon. 119:270-273.
Activation and desensitization of peripheral muscle and neuronal nicotinic acetylcholine receptors by selected, naturally-occurring pyridine alkaloids Reprint Icon - (Peer Reviewed Journal)
Green, B.T., Lee, S.T., Welch, K.D., Cook, D., Kem, W.R. 2016. Activation and desensitization of peripheral muscle and neuronal nicotinic acetylcholine receptors by selected, naturally-occurring pyridine alkaloids. Toxins. doi: 10.1016/j.toxicon.2015.09.015.
A swainsonine survey of North American Astragalus and Oxytropis taxa implicated as locoweeds Reprint Icon - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Lee, S.T., Pfister, J.A., Stonecipher, C.A., Welsh, S.L. 2016. A swainsonine survey of North American Astragalus and Oxytropis taxa implicated as locoweeds. Toxicon. 118:104-111.
Impacts of toxic plants on the welfare of grazing livestock - ()
Pfister, J.A., Green, B.T., Welch, K.D., Provenza, F.D., Cook, D. 2016. Impacts of toxic plants on the welfare of grazing livestock. In:Villalba, J.J., editor. Animal Welfare in Extensive Production Systems. Sheffield, U.K.:5m Publishing. p. 78-102.
The relationship between swainsonine containing plants and endophytic fungi - (Abstract Only)
Cook, D., Gardner, D.R., Pfister, J.A. 2016. The relationship between swainsonine containing plants and endophytic fungi. American Society of Animal Science Annual Meeting. pp. 128 - https://asas.confex.com/asas/jam2016/webprogram/Paper16677.html.
Studies in regard to the classification and putative toxicity of Fridericia japurensis (Arrabidaea japurensis) in Brazil Reprint Icon - (Peer Reviewed Journal)
Lima, E.F., Medeiros, R.M., Cook, D., Lee, S.T., Kaehler, M., Santos-Barbosa, J.M., Riet-Correa, F. 2016. Studies in regard to the classification and putative toxicity of Fridericia japurensis (Arrabidaea japurensis) in Brazil. Toxicon. 115:22-27.
Gastrolobium spp. poisoning in sheep: A case report - (Peer Reviewed Journal)
Butler, R., Tai, S., Allen, J.G., Cook, D., Lee, S.T. 2017. Gastrolobium spp. poisoning in sheep: A case report. International Journal of Poisonous Plant Research. 4:68-71.
Liver biopsy as diagnostic method for poisoning by swainsonine-containing plants Reprint Icon - (Peer Reviewed Journal)
Rocha, B.P., Reis, M.O., Driemeier, D., Cook, D., Camargo, L.M., Riet-Correa, F., Evencio-Neto, J., Mendonca, F.S. 2016. Liver biopsy as diagnostic method for poison¬ing by swainsonine-containing plants. Pesquisa Veterinaria Brasileira. 36(5):373-377.
Seasonal variation in the secondary chemistry of foliar and reproductive tissue of Delphinium nuttallianum Reprint Icon - (Peer Reviewed Journal)
Cook, D., Slominski, A., Gardner, D.R., Pfister, J.A., Irwin, R.E. 2016. Seasonal variation in the secondary chemistry of foliar and reproductive tissue of Delphinium nuttallianum. Biochemical Systematics and Ecology. 65:93-99.
Phylogenetic examination of two chemotypes of Lupinus leucophyllus - (Peer Reviewed Journal)
Mott, I.W., Cook, D., Lee, S.T., Stonecipher, C.A., Panter, K.E. 2016. Phylogenetic examination of two chemotypes of Lupinus leucophyllus. Biochemical Systematics and Ecology. 65:57-65.
A screen for Swainsonine in select North American Astragalus species - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Pfister, J.A., Lee, S.T., Welch, K.D., Welsh, S.L. 2017. A screen for Swainsonine in select North American Astragalus species. Chemistry and Biodiversity. 14(4):e1600364. https://doi.org/10.1002/cbdv.201600364.
The effect of co-administration of death camas (Zigadenus spp.) and low larkspur (Delphinium spp.) in cattle Reprint Icon - (Peer Reviewed Journal)
Welch, K.D., Green, B.T., Gardner, D.R., Stonecipher, C.A., Pfister, J.A., Cook, D. 2016. The effect of co-administration of death camas (Zigadenus spp.) and low larkspur (Delphinium spp.) in cattle. Toxins. doi: 10.3390/toxins8010021.
Lupine poisoning in sheep on the USDA-ARS U.S. Sheep Experiment Station (USSES), Dubois, Idaho - (Peer Reviewed Journal)
Panter, K.E., Taylor, J.B., Lee, S.T., Strong, N.K., Wierenga, T.L., Cook, D., Welsh, S.L. 2017. Lupine poisoning in sheep on the USDA-ARS U.S. Sheep Experiment Station (USSES), Dubois, Idaho. International Journal of Poisonous Plant Research. 4:79-87.
Determination of toxicity in rabbits and corresponding detection of monofluoroacetate in four Palicourea (Rubiaceae) species from the Amazonas state, Brazil Reprint Icon - (Peer Reviewed Journal)
Carvalho, F.K., Cook, D., Lee, S.T., Taylor, C.M., Oliveira, J.B., Riet-Correa, F. 2016. Determination of toxicity in rabbits and corresponding detection of monofluoroacetate in four Palicourea (Rubiaceae) species from the Amazonas state, Brazil. Toxicon. 109:42-44.
Evaluation of the stability of benzofuran ketones in rayless goldenrod (Isocoma pluriflora) and white snakeroot (Ageratina altissima) under different storage conditions - (Peer Reviewed Journal)
Lee, S.T., Davis, T.Z., Cook, D. 2017. Evaluation of the stability of benzofuran ketones in rayless goldenrod (Isocoma pluriflora) and white snakeroot (Ageratina altissima) under different storage conditions. International Journal of Poisonous Plant Research. 4(1):36-42.
Adverse effects of larkspur (Delphinium spp.) on cattle Reprint Icon - (Peer Reviewed Journal)
Welch, K.D., Cook, D., Green, B.T., Gardner, D.R., Pfister, J.A., Mcdaneld, T.G., Panter, K.E. 2015. Adverse effects of larkspur (Delphinium spp.) on cattle. Agriculture. 5:456-474.
The effect of administering multiple doses of tall larkspur (Delphinium barbeyi) to cattle Reprint Icon - (Peer Reviewed Journal)
Welch, K.D., Green, B.T., Gardner, D.R., Cook, D., Pfister, J.A. 2015. The effect of administering multiple doses of tall larkspur (Delphinium barbeyi) to cattle. Journal of Animal Science. 93(8):4181-4188.
The role of endophyte in determining swainsonine concentrations - (Proceedings)
Cook, D., Gardner, D.R., Grum, D.S., Pfister, J.A. 2015. The role of endophyte in determining swainsonine concentrations. International Symposium on Poisonous Plants. 9:89-94.
Isolation of endosymbionts from Ipomoea carnea and Swainsona canescens that produce swainsonine - (Proceedings)
Cook, D., Gardner, D.R., Grum, D.S., Pfister, J.A. 2015. Isolation of endosymbionts from Ipomoea carnea and Swainsona canescens that produce swainsonine. International Symposium on Poisonous Plants. 9:201-206.
The effect of multiple plant toxins on livestock - (Proceedings)
Welch, K.D., Green, B.T., Panter, K.E., Gardner, D.R., Pfister, J.A., Cook, D. 2015. The effect of multiple plant toxins on livestock. International Symposium on Poisonous Plants. 9:25-30.
Species susceptibility to locoweed poisoning and evaluation of chicks as a small animal model of poisoning - (Proceedings)
Stegelmeier, B.L., Davis, T.Z., Welch, K.D., Green, B.T., Gardner, D.R., Lee, S.T., Pfister, J.A., Cook, D., Panter, K.E. 2015. Species susceptibility to locoweed poisoning and evaluation of chicks as a small animal model of poisoning. International Symposium on Poisonous Plants. 9:126-129.
A rapid HPLC-APCI-MS method to detect fluoroacetate in plants - (Proceedings)
Lee, S.T., Cook, D., Riet-Correa, F., Pfister, J.A., Allen, J.G., Colegate, S.M., Lima, F.G., Gardner, D.R. 2015. A rapid HPLC-APCI-MS method to detect fluoroacetate in plants. International Symposium on Poisonous Plants. 9:158-163.
Evaluation of the seasonal and annual abortifacient risk of western juniper trees on Oregon rangelands: Abortion risk of western juniper trees Reprint Icon - (Peer Reviewed Journal)
Welch, K.D., Parsons, C., Gardner, D.R., Deboodt, T., Shreder, P., Cook, D., Pfister, J.A., Panter, K.E. 2015. Evaluation of the seasonal and annual abortifacient risk of western juniper trees on Oregon rangelands: Abortion risk of western juniper trees. Rangelands. 37(4):139-143.
In-field volatile collection and analysis method utilizing a portable GC-MS: in situ headspace analysis of intact and damaged yellow starthistle flower heads Reprint Icon - (Peer Reviewed Journal)
Beck, J.J., Porter, N., Cook, D., Griffith, C., Gee, W.S., Rands, A.D., Truong, T.V., Smith, L., San Roman, I. 2015. In-field volatile collection and analysis method utilizing a portable GC-MS: in situ headspace analysis of intact and damaged yellow starthistle flower heads. Phytochemical Analysis. 26:395-403.
The relative toxicity of Delphinium stachydeum in mice and cattle Reprint Icon - (Peer Reviewed Journal)
Cook, D., Welch, K.D., Green, B.T., Gardner, D.R., Pfister, J.A., Constantino, J., Stonecipher, C.A. 2015. The relative toxicity of Delphinium stachydeum in mice and cattle. Toxicon. 99:36-43.
Development of a PCR-based method for detection of Delphinium species in poisoned cattle Reprint Icon - (Peer Reviewed Journal)
Cook, D., Pfister, J.A., Constantino, J., Roper, J.M., Gardner, D.R., Welch, K.D., Hammond, Z.J., Green, B.T. 2015. Development of a PCR-based method for detection of Delphinium species in poisoned cattle. Journal of Agricultural and Food Chemistry. 63:1120-1125.
Changes in swainsonine, calystegine, and nitrogen concentrations on an annual basis in Ipomoea carnea Reprint Icon - (Peer Reviewed Journal)
Cook, D., Oliveira, C.A., Gardner, D.R., Pfister, J.A., Riet-Correa, G.A., Riet-Correa, F. 2015. Changes in swainsonine, calystegine, and nitrogen concentrations on an annual basis in Ipomoea carnea. Toxicon. 95:62-66.
A survey of tremetone, dehydrotremetone and structurally related compounds in Isocoma spp. (Goldenbush) in the southwestern United States Reprint Icon - (Peer Reviewed Journal)
Lee, S.T., Cook, D., Davis, T.Z., Gardner, D.R., Johnson, R.L., Stonecipher, C.A. 2015. A survey of tremetone, dehydrotremetone and structurally related compounds in Isocoma spp. (Goldenbush) in the southwestern United States. Journal of Agricultural and Food Chemistry. 63(3):872-879.
Semiochemicals from ex situ abiotically stressed cactus tissue: a contributing role of fungal spores Reprint Icon - (Peer Reviewed Journal)
Beck, J.J., Cook, D., Baig, N., Mahoney, N.E., Marsico, T.D. 2014. Semiochemicals from ex situ abiotically stressed cactus tissue: a contributing role of fungal spores. Journal of Agricultural and Food Chemistry. 62(51):12273-12276.
Elimination of the tremorgenic toxin of Ipomoea asarifolia by milk Reprint Icon - (Peer Reviewed Journal)
Lopes, J.R., Riet-Correa, F., Cook, D., Pfister, J.A., Medeiros, R.M. 2014. Elimination of the tremorgenic toxin of Ipomoea asarifolia by milk. Pesquisa Veterinaria Brasileira. 34(11):1085-1088.
Feeding preferences of experienced and naïve goats and sheep for the toxic plant Ipomoea carnea subsp. fistulosa Reprint Icon - (Peer Reviewed Journal)
Oliveira, C.A., Riet-Correa, G., Lima, E., Leite, D.M., Pfister, J.A., Cook, D., Riet-Correa, F. 2015. Feeding preferences of experienced and naïve goats and sheep for the toxic plant Ipomoea carnea subsp. fistulosa. Ciencia Rural. 45(9):1634-1640.
Secondary compounds in floral rewards of toxic rangeland plants: Impacts on pollinators Reprint Icon - (Peer Reviewed Journal)
Irwin, R.E., Cook, D., Richardson, L.L., Manson, J.S., Gardner, D.R. 2014. Secondary compounds in floral rewards of toxic rangeland plants: Impacts on pollinators. Journal of Agricultural and Food Chemistry. 62(30):7335-7344.
Swainsonine-containing plants and their relationship to endophytic fungi Reprint Icon - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Pfister, J.A. 2014. Swainsonine-containing plants and their relationship to endophytic fungi. Journal of Agricultural and Food Chemistry. 62(30):7326-7334.
Comparison of the volatile emission profiles of ground almond and pistachio mummies: part 1 – addressing a gap in knowledge of current attractants of navel orangeworm Reprint Icon - (Peer Reviewed Journal)
Beck, J.J., Mahoney, N.E., Cook, D., Gee, W.S., Baig, N. 2014. Comparison of the volatile emission profiles of ground almond and pistachio mummies: part 1 – addressing a gap in knowledge of current attractants of navel orangeworm. Phytochemistry Letters. 9:102-106. DOI.10.1016/j.phytol.2014.04.010.
Monofluoroacetate-containing plants that are potentially toxic to livestock Reprint Icon - (Peer Reviewed Journal)
Lee, S.T., Cook, D., Pfister, J.A., Allen, J.G., Colegate, S.M., Riet-Correa, F., Taylor, C.M. 2014. Monofluoroacetate-containing plants that are potentially toxic to livestock. Journal of Agricultural and Food Chemistry. 62(30):7345-7354.
If one plant toxin is harmful to livestock, what about two? - (Peer Reviewed Journal)
Welch, K.D., Green, B.T., Panter, K.E., Gardner, D.R., Pfister, J.A., Cook, D. 2014. If one plant toxin is harmful to livestock, what about two? Journal of Agricultural and Food Chemistry. 62(30):7363-7369.
Comparison of the volatile emission profiles of ground almond and pistachio mummies: part 2 - critical changes in emission profiles as a result of increasing the water activity Reprint Icon - (Peer Reviewed Journal)
Beck, J.J., Mahoney, N.E., Cook, D., Higbee, B.S., Light, D.M., Gee, W.S., Baig, N. 2014. Comparison of the volatile emission profiles of ground almond and pistachio mummies: part 2 - critical changes in emission profiles as a result of increasing the water activity. Phytochemistry Letters. 8:220-225. DOI: org/10.1016/j.phytol.2014.01.004.
Detection of toxic monofluoroacetate in Palicourea species - (Peer Reviewed Journal)
Cook, D., Lee, S.T., Taylor, C.M., Bassuner, B., Riet-Correa, F., Pfister, J.A., Gardner, D.R. 2014. Detection of toxic monofluoroacetate in Palicourea species. Toxicon. 80:9-16.
Identification of the quinolizidine alkaloids in Sophora leachiana Reprint Icon - (Peer Reviewed Journal)
Lee, S.T., Cook, D., Molyneux, R.J. 2014. Identification of the quinolizidine alkaloids in Sophora leachiana. Biochemical Systematics and Ecology. 54:1-4.
Conditioned food aversion to control poisoning by Ipomoea carnea subsp. fistulosa in goats Reprint Icon - (Peer Reviewed Journal)
Oliveira, C.A., Riet-Correa, G., Tavares, C., Souza, E., Cerqueira, V.D., Pfister, J.A., Cook, D., Riet-Correa, F. 2014. Conditioned food aversion to control poisoning by Ipomoea carnea subsp. fistulosa in goats. Ciencia Rural. 44(7):1240-1245.
Production of the alkaloid swainsonine by a fungal endophyte in the host Swainsona canescens Reprint Icon - (Peer Reviewed Journal)
Grum, D.S., Cook, D., Baucom, D., Mott, I.W., Gardner, D.R., Creamer, R., Allen, J.G. 2013. Production of the alkaloid swainsonine by a fungal endophyte in the host Swainsona canescens. Journal of Natural Products. 76(10):1984-1988.
The effect of low larkspur (Delphinium spp.) co-administration on the acute toxicity of death camas (Zigadenus spp.) in sheep Reprint Icon - (Peer Reviewed Journal)
Welch, K.D., Green, B.T., Gardner, D.R., Stonecipher, C.A., Panter, K.E., Pfister, J.A., Cook, D. 2013. The effect of low larkspur (Delphinium spp.) co-administration on the acute toxicity of death camas (Zigadenus spp.) in sheep. Toxicon. 76:50-58.
Early season grazing by cattle of waxy larkspur (Delphinium glaucescens) in Central Idaho Reprint Icon - (Peer Reviewed Journal)
Pfister, J.A., Cook, D., Gardner, D.R., Baker, S.D. 2013. Early season grazing by cattle of waxy larkspur (Delphinium glaucescens) in Central Idaho. Rangelands. 35(4):2-5.
Conditioned food aversion to Ipomoea carnea var. fistulosa induced by Baccharis coridifolia in goats Reprint Icon - (Peer Reviewed Journal)
Adrien, M.L., Riet-Correa, G., Oliveira, C.A., Pfister, J.A., Cook, D., Souza, E.G., Riet-Correa, F., Schild, A.L. 2013. Conditioned food aversion to Ipomoea carnea var. fistulosa induced by Baccharis coridifolia in goats. Pesquisa Veterinaria Brasileira. 33(8):999-1003.
Dose-dependent effects of nectar alkaloids in a montane plant-pollinator community Reprint Icon - (Peer Reviewed Journal)
Manson, J.S., Cook, D., Gardner, D.R., Irwin, R.E. 2013. Dose-dependent effects of nectar alkaloids in a montane plant-pollinator community. Journal of Ecology. 1001:1604-1612.
Biosynthesis of natural products in plants by fungal endophytes with an emphasis on swainsonine - ()
Cook, D., Gardner, D.R., Pfister, J.A., Grum, D.S. 2014. Biosynthesis of natural products in plants by fungal endophytes with an emphasis on swainsonine. Recent Advances in Phytochemistry. 44:23-42.
Conditioned food aversion for control of poisoning by Ipomoea carnea subsp. fistulosa - (Peer Reviewed Journal)
Pimentel, L., Maia, L.A., Carvalho, F.K., Campos, E.M., Pfister, J.A., Cook, D., Medeiros, R.M., Riet-Correa, F. 2013. Conditioned food aversion for control of poisoning by Ipomoea carnea subsp. fistulosa. Pesquisa Veterinaria Brasileira. 33(6):719-723.
Production of the alkaloid swainsonine by a fungal endosymbiont of the ascomycete order Chaetothyriales in the host Ipomoea carnea. Reprint Icon - (Peer Reviewed Journal)
Cook, D., Beaulieu, W.T., Mott, I.W., Grum, D.S., Riet-Correa, F., Gardner, D.R., Pfister, J.A., Clay, J., Marcolongo-Pereira, C. 2013. Production of the alkaloid swainsonine by a fungal endosymbiont of the ascomycete order Chaetothyriales in the host Ipomoea carnea. Journal of Agricultural and Food Chemistry. 61: 3797-803.
Alkaloid profiles of Dermatophyllum arizonicum, Dermatophllum gypsophilum, Dermatophyllum secundiflorum, Styphnolobium affine, and Styphnolobium japonicum previously classified as Sophora species Reprint Icon - (Peer Reviewed Journal)
Lee, S.T., Cook, D., Molyneux, R.J., Davis, T.Z., Gardner, D.R. 2013. Alkaloid profiles of Dermatophyllum arizonicum, Dermatophllum gypsophilum, Dermatophyllum secundiflorum, Styphnolobium affine, and Styphnolobium japonicum previously classified as Sophora species. Biochemical Systematics and Ecology. 49:87-93.
Bioactive alkaloids in vertically transmitted fungal endophytes - (Peer Reviewed Journal)
Panaccione, D.G., Beaulieu, W.T., Cook, D. 2014. Bioactive alkaloids in vertically transmitted fungal endophytes. Functional Ecology. 28(2):299-314.
Evaluation of the seasonal and annual abortifacient risk of western juniper trees on Oregon rangelands - (Peer Reviewed Journal)
Welch, K.D., Cook, D., Gardner, D.R., Parsons, C., Pfister, J.A., Panter, K.E. 2013. A comparison of the abortifacient risk of western juniper trees in Oregon. Rangelands. 37(4):139-143. DOI: 10.1016/j.rala.2015.05.005.
Induction and transfer of resistance to poisoning by Amorimia (Macagnia) septentrionalis in goats - (Peer Reviewed Journal)
Duarte, A.L., Medeiros, R.M., Carvalho, F.K., Lee, S.T., Cook, D., Pfister, J.A., Costa, V.M., Riet-Correa, F. 2014. Induction and transfer of resistance to poisoning by Amorimia (Macagnia) septentrionalis in goats. Journal of Applied Toxicology. 34(2):220-223.
Induction and transfer of resistance to poisoning by Amorimia (Mascagnia) septentrionalis in goats Reprint Icon - (Peer Reviewed Journal)
Duarte, A.L., Medeiros, R.M., Carvalho, F.K., Lee, S.T., Cook, D., Pfister, J.A., Costa, V.M., Riet-Correa, F. 2014. Induction and transfer of resistance to poisoning by Amorimia (Mascagnia) septentrionalis in goats. Journal of Applied Toxicology. 34(2):220-223.
The alkaloid profiles of Sophora nuttalliana and Sophora stenophylla - (Peer Reviewed Journal)
Lee, S.T., Cook, D., Molyneux, R.J., Marcolongo-Pereira, C., Stonecipher, C.A., Gardner, D.R. 2013. The alkaloid profiles of Sophora nuttalliana and Sophora stenophylla. Biochemical Systematics and Ecology. 48: 58-64.
Norditerpene alkaloid concentrations in tissues and floral rewards of larkspurs and impacts on pollinators - (Peer Reviewed Journal)
Cook, D., Manson, J.S., Gardner, D.R., Welch, K.D., Irwin, R.E. 2013. Norditerpene alkaloid concentrations in tissues and floral rewards of larkspurs and impacts on pollinators. Biochemical Systematics and Ecology. 48: 123-31.
Generation of the volatile spiroketals conophthorin and chalcogran by fungal spores on polyunsaturated fatty acids common to almonds and pistachios - (Peer Reviewed Journal)
Beck, J.J., Mahoney, N.E., Gee, W.S., Cook, D. 2012. Generation of the volatile spiroketals conophthorin and chalcogran by fungal spores on polyunsaturated fatty acids common to almonds and pistachios. Journal of Agricultural and Food Chemistry. 60(48):11869-11876.
Influence of endophyte genotype on swainsonine concentrations in Oxytropis sericea - (Peer Reviewed Journal)
Cook, D., Grum, D.S., Gardner, D.R., Welch, K.D., Pfister, J.A. 2013. Influence of endophyte genotype on swainsonine concentrations in Oxytropis sericea. Toxicon. 61:105-11.
Detection and localization of the endophyte Undifilum oxytropis in locoweed tissues - (Peer Reviewed Journal)
Reyna, R., Cooke, P., Grum, D.S., Cook, D., Creamer, R. 2012. Detection and localization of the endophyte Undifilum oxytropis in locoweed tissues. Botany. 90(12): 1229-36.
Influence of seed endophyte amounts on swainsonine concentrations in Astragalus and Oxytropis locoweeds - (Peer Reviewed Journal)
Grum, D.S., Cook, D., Gardner, D.R., Roper, J.M., Pfister, J.A., Ralphs, M.H. 2012. Influence of seed endophyte amounts on swainsonine concentrations in Astragalus and Oxytropis locoweeds. Journal of Agricultural and Food Chemistry. 66(33): 8083-9.
Detection of swainsonine and isolation of the endophyte Undifilum form the major locoweeds in Inner Mongolia - (Peer Reviewed Journal)
Detection of swainsonine and isolation of the endophyte Undifilum from the major locoweeds in Inner Mongolia - (Peer Reviewed Journal)
Gao, X., Cook, D., Ralphs, M., Yan, L., Gardner, D.R., Lee, S.T., Panter, K.E., Han, B., Zhao, M. 2012. Detection of swainsonine and isolation of the endophyte Undifilum from the major locoweeds in Inner Mongolia. Biochemical Systematics and Ecology. 45: 79-85.
Detection of monofluoroacetate in Palicourea and Amorimia species - (Peer Reviewed Journal)
Lee, S.T., Cook, D., Riet-Correa, F., Pfister, J.A., Anderson, W.R., Lima, F.G., Gardner, D.R. 2012. Detection of monofluoroacetate in Palicourea and Amorimia species. Toxicon. 60(5): 791-6.
Veratrum-induced placental dysplasia in sheep - (Peer Reviewed Journal)
Welch, K.D., Panter, K.E., Stegelmeier, B.L., Lee, S.T., Gardner, D.R., Cook, D. 2012. Veratrum-induced placental dysplasia in sheep. International Journal of Poisonous Plant Research. 2:54-62.
Evaluation of drying methods and toxicity of rayless goldenrod (Isocoma pluriflora) and white snakeroot (Ageratina altissima) in goats - (Peer Reviewed Journal)
Lee, S.T., Davis, T.Z., Cook, D., Stegelmeier, B.L. 2012. Evaluation of drying methods and toxicity of rayless goldenrod (Isocoma pluriflora) and white snakeroot (Ageratina altissima) in goats. Journal of Agricultural and Food Chemistry. 60(19): 4849-53.
Conditioned food aversion to control outbreaks of intoxication by Ipomoea carnea and Turbina cordata in goats Reprint Icon - (Peer Reviewed Journal)
Pimentel, L.A., Maia, L.A., Campos, E.M., Dantas, A.F., Medeiros, R.M., Pfister, J.A., Cook, D., Riet-Correa, F. 2012. Conditioned food aversion to control outbreaks of intoxication by Ipomoea carnea and Turbina cordata in goats. Pesquisa Veterinaria Brasileira. 32(8):707-714. http://dx.doi.org/10.1590/S0100-736X2012000800005.
Poisonous Plants of the United States - ()
Panter, K.E., Welch, K.D., Gardner, D.R., Lee, S.T., Green, B.T., Pfister, J.A., Cook, D., Davis, T.Z., Stegelmeier, B.L. 2012. Poisonous Plants of the United States. In: Guptra, R.C., editor. Veterinary Toxicology: Basic and Clinical Principles. 2nd edition. Boston, MA: Academic Press. p. 1031-79.
Influence of phenological stage on swainsonine concentrations and endophyte amounts in Oxytropis sericea - (Peer Reviewed Journal)
Cook, D., Shi, L., Gardner, D.R., Pfister, J.A., Grum, D.S., Welch, K.D., Ralphs, M.H. 2012. Influence of phenological stage on swainsonine concentrations and endophyte amounts in Oxytropis sericea. Journal of Chemical Ecology. 38(2): 195-203.
The effect of 7,8-methylenedioxylycoctonine-type diterpenoid alkaloids on the toxicity of tall larkspur (Delphinium spp.) in cattle - (Peer Reviewed Journal)
Welch, K.D., Green, B.T., Gardner, D.R., Cook, D., Pfister, J.A., Panter, K.E. 2012. The effect of 7,8-methylenedioxylycoctonine-type diterpenoid alkaloids on the toxicity of tall larkspur (Delphinium spp.) in cattle. Journal of Animal Science. 90(7): 2394-401.
Toxicokinetics of norditerpenoid alkaloids from low larkspur (Delphinium andersonii) orally administered in cattle - (Peer Reviewed Journal)
Green, B.T., Welch, K.D., Gardner, D.R., Stegelmeier, B.L., Pfister, J.A., Cook, D., Panter, K.E. 2012. Toxicokinetics of norditerpenoid alkaloids from low larkspur (Delphinium andersonii) orally administered in cattle. American Journal of Veterinary Research. 73(8): 1318-24.
Alkaloid profiling as an approach to differentiate Lupinus garfieldensis, Lupinus sabinianus, and Lupinus sericeus - (Peer Reviewed Journal)
Cook, D., Lee, S.T., Pfister, J.A., Stonecipher, C.A., Welch, K.D., Green, B.T., Panter, K.E. 2011. Alkaloid profiling as an approach to differentiate Lupinus garfieldensis, Lupinus sabinianus, and Lupinus sericeus. Phytochemical Analysis. 23(3): 278-84.
Toxicokinetics and pathology of plant-associated acute selenium toxicosis in steers - (Peer Reviewed Journal)
Davis, T.Z., Stegelmeier, B.L., Panter, K.E., Cook, D., Gardner, D.R., Hall, J.O. 2012. Toxicokinetics and pathology of plant-associated acute selenium toxicosis in steers. Journal of Veterinary Diagnostic Investigation. 24(2): 319-27.
Volatile analysis of ground almonds contaminated with naturally occurring fungi - (Peer Reviewed Journal)
Beck, J.J., Mahoney, N.E., Cook, D., Gee, W.S. 2011. Volatile analysis of ground almonds contaminated with naturally occurring fungi. Journal of Agricultural and Food Chemistry. 59(11):6180-6187.
Potentiation of the actions of acetylcholine, epibatidine, and nicotine by methyllycaconitine at fetal muscle-type nicotinic acetylcholine receptors - (Peer Reviewed Journal)
Green, B.T., Welch, K.D., Cook, D., Gardner, D.R. 2011. Potentiation of the actions of acetylcholine, epibatidine, and nicotine by methyllycaconitine at fetal muscle-type nicotinic acetylcholine receptors. European Journal of Pharmacology. 662(1-3):15-21.
Cattle grazing toxic Delphinium andersonii in South-Central Idaho - (Peer Reviewed Journal)
Pfister, J.A., Cook, D., Gardner, D.R. 2011. Cattle grazing toxic Delphinium andersonii in South-Central Idaho. Rangeland Ecology and Management. 64(6): 664-8.
The effects of methyllycaconitine on the response of TE-671 cells to acetylcholine and epibatidine - (Abstract Only)
Green, B.T., Welch, K.D., Cook, D., Gardner, D.R. 2011. The effects of methyllycaconitine on the response of TE-671 cells to acetylcholine and epibatidine. FASEB Journal. 25: 798.5.
Effect of MDL-type alkaloids on tall larkspur toxicosis - ()
Welch, K.D., Gardner, D.R., Panter, K.E., Green, B.T., Cook, D., Pfister, J.A., Stegelmeier, B.L., Davis, T.Z. 2011. Effect of MDL-type alkaloids on tall larkspur toxicosis. In: Riet-Correa, F., Pfister, J., Schild, A.L., Wierenga, T., editors. Poisoning by Plants, Mycotoxins, and Related Toxins. Cambridge, MA: CAB International. 94:540-9. DOI: 10.1079/9781845938338.0540.
Influence of weather on low larkspur (Delphinium nuttallianum) density - (Peer Reviewed Journal)
Pfister, J.A., Cook, D. 2011. Influence of weather on low larkspur (Delphinium nuttallianum) density. Journal of Agricultural Science. 3(1):36-44.
Comparison of the toxic effects of two duncecap larkspur (Delphinium occidentale) chemotypes in mice and cattle - (Peer Reviewed Journal)
Cook, D., Green, B.T., Welch, K.D., Gardner, D.R., Pfister, J.A., Panter, K.E. 2011. Comparison of the toxic effects of two duncecap larkspur (Delphinium occidentale) chemotypes in mice and cattle. American Journal of Veterinary Research. 72(5):706-14.
Transmission of the locoweed endophyte to the next generation of plants - (Peer Reviewed Journal)
Ralphs, M.H., Cook, D., Gardner, D.R., Grum, D.S. 2011. Transmission of the locoweed endophyte to the next generation of plants. Fungal Ecology. 4(4):251-5.
The acute toxicity of the Death camas (Zigadenus spp.) alkaloid zygacine in mice, including the effect of methyllycaconitine co-administration on zygacine toxicity - (Peer Reviewed Journal)
Welch, K.D., Panter, K.E., Gardner, D.R., Stegelmeier, B.L., Green, B.T., Pfister, J.A., Cook, D. 2011. The acute toxicity of the Death camas (Zigadenus spp.) alkaloid zygacine in mice, including the effect of methyllycaconitine co-administration on zygacine toxicity. Journal of Animal Science. 89(5):1650-7.
Swainsonine and endophyte relationships in Astragalus mollissimus and Astragalus lentiginosus - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Grum, D.S., Pfister, J.A., Ralphs, M.H., Welch, K.D., Green, B.T. 2011. Swainsonine and endophyte relationships in Astragalus mollissimus and Astragalus lentiginosus. Journal of Agricultural and Food Chemistry. 59(4):1281-7.
Western juniper-induced abortions in beef cattle - (Peer Reviewed Journal)
Welch, K.D., Gardner, D.R., Panter, K.E., Stegelmeier, B.L., Parsons, C., Pfister, J.A., Cook, D. 2011. Western juniper-induced abortions in beef cattle. International Journal of Poisonous Plant Research. 1(1):72-9.
Alkylresorcinol biosynthesis in plants: new insights from an ancient enzyme family - (Peer Reviewed Journal)
Baerson, S.R., Schroder, J., Cook, D., Rimando, A.M., Pan, Z., Dayan, F.E., Noonan, B.P., Duke, S.O. 2010. Alkylresorcinol biosynthesis in plants: new insights from an ancient enzyme family. Plant Signaling and Behavior. 5(10):1-4.
Lupine-Induced 'Crooked Calf Disease' in Washington and Oregon: Identification of the alkaloid profiles of Lupinus sericeus, Lupinus sulphureus, and Lupinus leucophyllus - ()
Cook, D., Lee, S.T., Gardner, D.R., Pfister, J.A., Welch, K.D., Green, B.T., Davis, T.Z., Panter, K.E. 2011. Lupine-Induced 'Crooked Calf Disease' in Washington and Oregon: Identification of the alkaloid profiles of Lupinus sericeus, Lupinus sulphureus and Lupinus leucophyllus. In: Riet-Correa, F., Pfister, J., Schild, A.L., Wierenga, T., editors. Poisoning by Plants, Mycotoxins, and Related Toxins. Cambridge, MA. CAB International. 97:566-71.
Tremetone and structurally related compounds in white snakeroot (Ageratina altissima): A plant associated with trembles and milk sickness - (Peer Reviewed Journal)
Lee, S.T., Davis, T.Z., Gardner, D.R., Colegate, S.M., Cook, D., Green, B.T., Meyerholtz, K.A., Wilson, C.R., Stegelmeier, B.L., Evans, T.J. 2010. Tremetone and structurally related compounds in white snakeroot (Ageratina altissima): A plant associated with trembles and milk sickness. Journal of Agricultural and Food Chemistry. 58(15):8560-65. DOI: 10.1021/jf1012456.
A comparison of alternate sample preparation procedures for the analysis of swainsonine using LC-MS/MS - (Peer Reviewed Journal)
Gardner, D.R., Cook, D. 2011. A comparison of alternate sample preparation procedures for the analysis of swainsonine using LC-MS/MS. Phytochemical Analysis. 22(2):95-188.
Distribution of Delphinium occidentale chemotypes and their potential toxicity - ()
Cook, D., Gardner, D.R., Pfister, J.A., Welch, K.D., Green, B.T., Lee, S.T. 2011. Distribution of Delphinium occidentale chemotypes and their potential toxicity. In: Riet-Correa, F., Pfister, J., Schild, A.L., Wierenga, T., editors. Poisoning by Plants, Mycotoxins, and Related Toxins. Cambridge, MA. CAB International. p. 606-11.
A toxicokinetic comparison of norditerpenoid alkaloids from Delphinium barbeyi and D. glaucescens in cattle - (Peer Reviewed Journal)
Green, B.T., Welch, K.D., Gardner, D.R., Stegelmeier, B.L., Pfister, J.A., Cook, D., Davis, T.Z. 2011. A toxicokinetic comparison of norditerpenoid alkaloids from Delphinium barbeyi and D. glaucescens in cattle. Journal of Applied Toxicology. 31(1):20-6. DOI 10.1002/jat.1563.
The physiological effects and toxicokinetics of tall larkspur (Delphinium barbeyi) alkaloids in cattle - ()
Green, B.T., Welch, K.D., Pfister, J.A., Cook, D., Stegelmeier, B.L., Lee, S.T., Gardner, D.R., Panter, K.E. 2011. The physiological effects and toxicokinetics of tall larkspur (Delphinium barbeyi) alkaloids in cattle. In: Riet-Correa, F., Pfister, J., Schild, A.L., Wierenga, T., editors. Poisoning by Plants, Mycotoxins, and Related Toxins. Cambridge, MA. CAB International. p. 557-65.
The Actions of Piperidine Alkaloids at Fetal Muscle-Type and Autonomic-Type Nicotinic Acetylcholine Receptors - (Abstract Only)
Green, B.T., Lee, S.T., Panter, K.E., Welch, K.D., Cook, D., Pfister, J.A., Kem, W.R. 2010. The Actions of Piperidine Alkaloids at Fetal Muscle-Type and Autonomic-Type Nicotinic Acetylcholine Receptors. Experimental Biology.
Alkylresorcinol Synthases Expressed in Sorghum Bicolor Root Hairs Play an Essential Role in the Biosynthesis of the Allelopathic Benzoquinone Sorgoleone - (Peer Reviewed Journal)
Cook, D., Rimando, A.M., Clemente, T.E., Schroder, J., Dayan, F.E., Nanayakkara, D., Pan, Z., Noonan, B.P., Fishbein, M., Abe, I., Duke, S.O., Baerson, S.R. 2010. Alkylresorcinol Synthases Expressed in Sorghum Bicolor Root Hairs Play an Essential Role in the Biosynthesis of the Allelopathic Benzoquinone Sorgoleone. The Plant Cell. 22:867-887.
Plants teratogenic to livestock in the United States - ()
Panter, K.E., Welch, K.D., Lee, S.T., Gardner, D.R., Stegelmeier, B.L., Ralphs, M.H., Davis, T.Z., Green, B.T., Pfister, J.A., Cook, D. 2011. Plants teratogenic to livestock in the United States. In: Riet-Correa, F., Pfister, J., Schild, A.L., Wierenga, T., editors. Poisoning by Plants, Mycotoxins, and Related Toxins. Cambridge, MA. CAB International. 36:236-42.
Effect of MDL-Type alkaloids on tall larkspur toxicosis - ()
Dose-response evaluation of Veratrum californicum in sheep - ()
Welch, K.D., Lee, S.T., Gardner, D.R., Panter, K.E., Stegelmeier, B.L., Cook, D. 2011. Dose-Response evaluation of Veratrum californicum in sheep. In: Riet-Correa, F., Pfister, J., Schild, A.L., Wierenga, T., editors. Poisoning by Plants, Mycotoxins, and Related Toxins. Cambridge, MA. CAB International. 37:243-50.
Differences in ponderosa pine isocupressic acid concentrations across space and time - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Pfister, J.A., Panter, K.E., Stegelmeier, B.L., Lee, S.T., Welch, K.D., Green, B.T., Davis, T.Z. 2010. Differences in ponderosa pine isocupressic acid concentrations across space and time. Rangelands. 32(2):14-7.
Actions of Piperidine Alkaloid Teratogens at Fetal Nicotinic Acetylcholine Receptors. - (Peer Reviewed Journal)
Green, B.T., Lee, S.T., Panter, K.E., Welch, K.D., Cook, D., Pfister, J.A., Kem, W.R. 2010. Actions of Piperidine Alkaloid Teratogens at Fetal Nicotinic Acetylcholine Receptors. Neurotoxicology and Teratology. 32:383-390. Published online at: http://dx.doi.org/10.1016/j.ntt.2010.01.011
The comparative pathology of locoweed poisoning in horses and other livestock - ()
Stegelmeier, B.L., Davis, T.Z., Welch, K.D., Green, B.T., Gardner, D.R., Lee, S.T., Ralphs, M.H., Pfister, J.A., Cook, D., Panter, K.E. 2011. The comparative pathology of locoweed poisoning in horses and other livestock. In: Riet-Correa, F., Pfister, J., Schild, A.L., Wierenga, T., editors. Poisoning by Plants, Mycotoxins, and Related Toxins. Cambridge, MA. CAB International. 48:309-10.
Swainsonine Concentrations and Endophyte Amounts of Undifilum oxytropis in Different Plant Parts of Oxytropis sericea - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Ralphs, M.H., Pfister, J.A., Welch, K.D., Green, B.T. 2009. Swainsonine Concentrations and Endophyte Amounts of Undifilum oxytropis in Different Plant Parts of Oxytropis sericea. Journal of Chemical Ecology, Vol. 35(10):1272-1278. (www.springerlink.com) DOI 0.1007/s10886-009-9710-9
Solutions to locoweed poisoning in New Mexico and the Western United States - (Peer Reviewed Journal)
Graham, D., Creamer, R., Cook, D., Stegelmeier, B.L., Welch, K.D., Pfister, J.A., Panter, K.E., Cibils, A., Ralphs, M.H., Encinias, M., Mc Daniel, K., Thompson, D., Gardner, K. 2009. Solutions to locoweed poisoning in New Mexico and the Western United States. Rangelands. 31(6):3-8.
Quantitative PCR Method to Measure the Fungal Endopyte in Locoweeds - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Welch, K.D., Roper, J.M., Ralphs, M.H., Green, B.T. 2009. Quantitative PCR Method to Measure the Fungal Endopyte in Locoweeds. Journal of Agricultural and Food Chemistry. 57:6050-6054
Influence of 7, 8-methylenedioxylycoctonine-type Alkaloids on the Toxic Effects Associated with Ingestion of Tall Larkspurs (Delphinium spp.)in Cattle - (Peer Reviewed Journal)
Welch, K.D., Green, B.T., Gardner, D.R., Cook, D., Pfister, J.A., Stegelmeier, B.L., Panter, K.E., Davis, T.Z. 2010. Influence of 7, 8-methylenedioxylycoctonine-type Alkaloids on the Toxic Effects Associated with Ingestion of Tall Larkspurs (Delphinium spp.)in Cattle. American Journal of Veterinary Research. Vol 71, No 4, pp 487-492.
The Biogeographical Distribution of Duncecap Larkspur (Delphinium occidentale) Chemotypes and Their Potential Toxicity - (Peer Reviewed Journal)
Cook, D., Gardner, D.R., Pfister, J.A., Welch, K.D., Green, B.T., Lee, S.T. 2009. The Biogeographical Distribution of Duncecap Larkspur (Delphinium occidentale) Chemotypes and Their Potential Toxicity. Journal of Chemical Ecology 35:6443-652
Cyclopamine-induced Synophthalmia in Sheep: Defining a Critical Window and Toxicokinetic Evaluation - (Peer Reviewed Journal)
Welch, K.D., Panter, K.E., Lee, S.T., Gardner, D.R., Stegelmeier, B.L., Cook, D. 2009. Cyclopamine-induced Synophthalmia in Sheep: Defining a Critical Window and Toxicokinetic Evaluation. Journal of Applied Toxicology, 29:414-421. (www.interscience.wiley.com) DOI 10.1002/jat.1427
Larkspur - Poison Weed (100 Years of Delphinium Research) - (Peer Reviewed Journal)
Green, B.T., Gardner, D.R., Pfister, J.A., Cook, D. 2009. Larkspur - Poison Weed (100 Years of Delphinium Research). Rangelands, 31(1):22-27. http://www.bioone.org/doi/pdf/10.2111/1551-501X-31.1.45?
Lupine Induced "Crooked Calf Disease": The Last 20 Years - (Peer Reviewed Journal)
Lee, S.T., Panter, K.E., Gay, C., Pfister, J.A., Ralphs, M.H., Gardner, D.R., Stegelmeier, B.L., Motteram, E., Cook, D., Welch, K.D., Green, B.T., Davis, T.Z. 2008. Lupine Induced "Crooked Calf Disease": The Last 20 Years. Rangelands. 30(6): 13-8.
Locoweed Poisoning in Cattle - (Peer Reviewed Journal)
Cook, D., Ralphs, M.H., Welch, K.D., Stegelmeier, B.L. 2009. Locoweed Poisoning in Cattle. Rangelands, 31(1):16-21. http://www.bioone.org/doi/pdf/10.2111/1551-501X-31.1.45?
Crooked Calf Syndrome: Managing Lupines on Rangelands of the Channel Scablands of East-Central Washington State - (Peer Reviewed Journal)
Panter, K.E., Motteram, E., Cook, D., Lee, S.T., Ralphs, M.H., Platt, T.E., Gay, C.C. 2009. Cooked Calf Syndrome: Managing Lupines on Rangelands of the Channel Scablands of East-Central Washington State. Rangelands 31(1):10-15. http://www.bioone.org/doi/pdf/10.2111/1551-501X-31.1.45?
The Alkaloid Profiles of Lupinus sulphureus - (Peer Reviewed Journal)
Cook, D., Lee, S.T., Gardner, D.R., Pfister, J.A., Welch, K.D., Green, B.T., Davis, T.Z., Panter, K.E. 2009. The Alkaloid Profiles of Lupinus sulphureus. Journal of Agriculture and Food Chemistry, 57(4):1646-1653.
Is (-)-Catechin a "Novel Weapon" of Spotted Knapweed (Centaurea stoebe)? - (Peer Reviewed Journal)
Duke, S.O., Blair, A.C., Dayan, F.E., Johnson, R.D., Meepagala, K.M., Cook, D., Bajsa, J.N. 2009. Is (-)-Catechin a "Novel Weapon" of Spotted Knapweed (Centaurea stoebe)? Journal of Chemical Ecology. 35:141-153.
Investigation of the Susceptibility of Various Strains of Mice to Methyllycaconitine Toxicosis - (Peer Reviewed Journal)
Welch, K.D., Green, B.T., Panter, K.E., Gardner, D.R., Pfister, J.A., Cook, D., Stegelmeier, B.L. 2009. Investigation of the Susceptibility of Various Strains of Mice to Methyllycaconitine Toxicosis. Journal of Animal Science, 87:1558-1564. doi:102527/jas.2008-1577
Serum Elimination Profiles of Methyllycaconitine and Deltaline in Cattle Following Oral Administration of Larkspur (Delphinium barbeyi) - (Peer Reviewed Journal)
Green, B.T., Welch, K.D., Gardner, D.R., Stegelmeier, B.L., Davis, T.Z., Cook, D., Lee, S.T., Pfister, J.A., Panter, K.E. 2009. Serum Elimination Profiles of Methyllycaconitine and Deltaline in Cattle Following Oral Administration of Larkspur (Delphinium barbeyi). American Journal of Veterinary Research, 70(7):926-931.
Effect of body condition on consumption of pine needles (Pinus ponderosa) by beef cows - (Peer Reviewed Journal)
Pfister, J.A., Panter, K.E., Gardner, D.R., Cook, D., Welch, K.D. 2008. Effect of body condition on consumption of pine needles (Pinus ponderosa) by beef cows. Journal of Animal Science. 86:3608-16. DOI: 10.2527/jas.2008-1000.
The effect of 7, 8-Methylenedioxylycoctonine -Type Diterpenoid Alkaloids on the Toxicity of Methyllycaconitine in Mice - (Peer Reviewed Journal)
Welch, K.D., Panter, K.E., Gardner, D.R., Green, B.T., Pfister, J.A., Cook, D., Stegelmeier, B.L. 2008. The effect of 7, 8-Methylenedioxylycoctonine -Type Diterpenoid Alkaloids on the Toxicity of Ethyllycaconitine in Mice. Journal of Animal Science, J. Anim. Sci. 86:2761-2770.
Effects of Larkspur (Delphinium barbeyi) on Heart Rate and Electrically Evoked Electromyographic Response of the External Anal Sphincter in Cattle. - (Peer Reviewed Journal)
Green, B.T., Pfister, J.A., Cook, D., Welch, K.D., Stegelmeier, B.L., Lee, S.T., Gardner, D.R., Knoppel, E.L., Panter, K.E. 2009. Effects of Larkspur (Delphinium barbeyi) on Heart Rate and Electrically Evoked Electromyographic Response of the External Anal Sphincter in Cattle. American Journal of Veterinary Research. 70(4):539-546
The Effect of High Deltaline Concentration on the Toxicity of Methyllycaconitine in Mice - (Abstract Only)
Welch, K.D., Panter, K.E., Gardner, D.R., Green, B.T., Pfister, J.A., Cook, D. 2008. The Effect of High Deltaline Concentration on the Toxicity of Methyllycaconitine in Mice. International Society on Toxicology Meeting.
Relationship between the endophyte embellisia spp. and the toxic alkaloid swainsonine in major locoweed species (Astragalus and Oxytropis) - (Peer Reviewed Journal)
Ralphs, M.H., Creamer, R., Baucom, D., Gardner, D.R., Welch, S.L., Graham, J.D., Hart, C., Cook, D., Stegelmeier, B.L. 2007. Relationship between the endophyte embellisia spp. and the toxic alkaloid swainsonine in major locoweed species (Astragalus and Oxytropis). Journal of Chemical Ecology, Vol. 34 No. 1 pp.32-28 (2008). Published online 12/01/2007 DOI 10.1007/s10886-007-9399-6
Lupine induced "Crooked Calf Disease" in Washington and Oregon: Identification of the alkaloid profiles in Lupinus sulphureus, Lupinus leucophyllus, and Lupinus sericeus - (Peer Reviewed Journal)
Lee, S.T., Cook, D., Panter, K.E., Gardner, D.R., Ralphs, M.H., Motteram, E.S., Pfister, J.A., Gay, C. 2007. Lupine induced "Crooked Calf Disease" in Washington and Oregon: Identification of the alkaloid profiles in Lupinus sulphureus, Lupinus leucophyllus, and Lupinus sericeus. Journal of Agricultural and Food Chemistry, Web release 11/27/2007 Article DOI: 10.1021/jf0723110 Journal releae Volume 55, Number 26, pp. 10649-10655.
Proceedings of the 2006 annual meeting of the Phytochemical Society of North America - ()
Cantrell, C.L., Cook, D., Dayan, F.E., Ferreira, D. 2007. Proceedings of the 2006 annual meeting of the Phytochemical Society of North America. Phytochemistry. 68(14):1825-1828.
Alkaloid Profiles, Concentration and Pools in Velvet Lupine (Lupinus leucophyllus) Over the Growing Season - (Peer Reviewed Journal)
Lee, S.T., Ralphs, M.H., Panter, K.E., Cook, D., Gardner, D.R. 2006. Alkaloid Profiles, Concentration and Pools in Velvet Lupine (Lupinus leucophyllus) Over the Growing Season. Journal of Chemical Ecology. 33:75-84
Molecular and Biochemical Investigations of Sorgoleone Biosynthesis - ()
Cook, D., Dayan, F.E., Rimando, A.M., Pan, Z., Duke, S.O., Baerson, S.R. 2006. Molecular and Biochemical Investigations of Sorgoleone Biosynthesis. In Recent Advances in Phytochemistry: Integrative Plant Biochemistry. J.T. Romeo, ed. Elsevier, Amsterdam, The Netherlands. 40:157-177.
Molecular and Biochemical Characterization of Novel Polyketide Synthases Likely To Be Involved in the Biosynthesis of Sorgoleone - ()
Cook, D., Dayan, F.E., Rimando, A.M., Nanayakkara, D., Pan, Z., Duke, S.O., Baerson, S.R. 2007. Molecular and Biochemical Characterization of Novel Polyketide Synthases Likely To Be Involved in the Biosynthesis of Sorgoleone. American Chemical Society Symposium Series. 955:141-151.
THE USE OF FUNCTIONAL GENOMICS TO ADVANCE ALLELOPATHIC SCIENCE-INVESTIGATING SORGOLEONE BIOSYNTHESIS AS AN EXAMPLE - (Proceedings)
Baerson, S.R., Cook, D., Dayan, F.E., Rimando, A.M., Pan, Z., Duke, S.O. 2005. The use of functional genomics to advance allelopathic science-investigating sorgoleone biosynthesis as an example. HArper, J.D.I., An, M., Wu, H., Kent J.H., Eds. Charles Sturts University, Wagga Wagga, Australia. Proceedings of the 4th World Congress on Allelopathy. p. 191-196.
MANIPULATING THE LIPID RESORCINOL PATHWAY TO ENHANCE ALLELOPATHY IN RICE - (Proceedings)
Dayan, F.E., Cook, D., Baerson, S.R., Rimando, A.M. 2005. Manipulating the lipid resorcinol pathway to enhance allelopathy in rice. Harper, J.D.I., An, M., Wu, H., Kent, J.H., Editors. Charles Sturts Unviersity, Wagga Wagga, Australia. Proceedings of the 4th World Congress on Allelopathy. p. 175-181.
A FUNCTIONAL GENOMICS APPROACH FOR THE IDENTIFICATION OF GENES INVOLVED IN THE BIOSYNTHESIS OF THE ALLELOCHEMICAL SORGOLEONE - ()
Baerson, S.R., Dayan, F.E., Rimando, A.M., Pan, Z., Cook, D., Nanyakkara, N., Duke, S.O. A functional genomics approach for the identification of genes involved in the biosynthesis of the allelochemical sorgoleone. Rimando, A.M., Duke, S.O., editors. American Chemical Society, Washington, DC. Natural Products for Pest Management. 2006. p. 265-277.
THE POTENTIAL FOR ADVANCES IN CROP ALLELOPATHY - ()
Duke, S.O., Belz, R.G., Baerson, S.R., Pan, Z., Cook, D., Dayan, F.E. 2005. The potential for advances in crop allelopathy. Outlooks on Pest Management. 16:64-68.