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United States Department of Agriculture

Agricultural Research Service

Related Topics

Edward L Knoppel
Poisonous Plant Research
Biological Science Lab Technician

Phone: (435) 752-2941
Fax: (435) 753-5681

1150 EAST 1400 NORTH
POISONOUS PLANT RESEARCH LAB.
LOGAN , UT 84341


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
The comparative toxicity of a reduced, crude comfrey (Symphytum officinale) alkaloid extract and the pure, comfrey-derived pyrrolizidine alkaloids, lycopsamine and intermedine in chicks (Gallus gallus domesticus) Reprint Icon -
Brown, A.W., Stegelmeier, B.L., Colegate, S.M., Gardner, D.R., Panter, K.E., Knoppel, E.L., Hall, J.O. 2016. The comparative toxicity of a reduced, crude comfrey (Symphytum officinale) alkaloid extract and the pure, comfrey-derived pyrrolizidine alkaloids, lycopsamine and intermedine in chicks (Gallus gallus domesticus). Journal of Applied Toxicology. 36:716-725.
Wild parsnip (Pastinaca sativa)-induced photosensitization in goats and horses -
Stegelmeier, B.L., Colegate, S.M., Knoppel, E.L., Lemos, D., Rood, K.A., Collett, M.G. 2015. Wild parsnip (Pastinaca sativa)-induced photosensitization in goats and horses. International Symposium on Poisonous Plants. 9:48-53.
Carcinogenic effects of riddelliine on P53 knockout mice -
Brown, A.W., Stegelmeier, B.L., Colegate, S.M., Panter, K.E., Knoppel, E.L., Field, R.A., Hall, J.O. 2015. Carcinogenic effects of riddelliine on P53 knockout mice. International Symposium on Poisonous Plants. 9:276-280.
In vitro cytotoxicity of various dehydropyrrolizidine ester alkaloids -
Field, R.A., Stegelmeier, B.L., Colegate, S.M., Brown, A., Mccollum, I.J., Knoppel, E.L. 2015. In vitro cytotoxicity of various dehydropyrrolizidine ester alkaloids. International Symposium on Poisonous Plants. 9:281-286.
Heterozygous P53 knockout mouse model for dehydropyrrolizidine alkaloid-induced carcinogenesis Reprint Icon -
Brown, A.W., Stegelmeier, B.L., Colegate, S.M., Panter, K.E., Knoppel, E.L., Hall, J.O. 2015. Heterozygous P53 knockout mouse model for dehydropyrrolizidine alkaloid-induced carcinogenesis. Journal of Applied Toxicology. 35(12):1557-1563.
Studies on the teratogenicity of anabasine in a rat model Reprint Icon -
Welch, K.D., Lee, S.T., Panter, K.E., Gardner, D.R., Knoppel, E.L., Green, B.T., Hammond, C.K., Hammond, Z.J., Pfister, J.A. 2014. Studies on the teratogenicity of anabasine in a rat model. Toxicon. 87:32-37.
Effects of Larkspur (Delphinium barbeyi) on Heart Rate and Electrically Evoked Electromyographic Response of the External Anal Sphincter in Cattle. Reprint Icon -
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
Last Modified: 5/2/2016
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