Skip to main content
ARS Home » Plains Area » Lincoln, Nebraska » Wheat, Sorghum and Forage Research » People & Locations » Nathan Palmer (Nate)

Nathan A Palmer (Nate)
Wheat, Sorghum and Forage Research
Bioinformaticist

Phone: (402) 472-0441
Fax: (402) 472-4020

251 Filley Hall/Food Ind. UNL, East Campus
UNIVERSITY OF NEBRASKA
LINCOLN, NE 685830937

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Greenbug (Schizaphis graminum)herbivory significantly impacts protein and phosphorylation abundance in switchgrass (Panicum virgatum) Reprint Icon - (Peer Reviewed Journal)
Zogli, P.K., Alvarez, S., Naldrett, M.J., Palmer, N.A., Koch, K.G., Pingault, L., Bradshaw, J.D., Twigg, P., Heng-Moss, T., Louis, J., Sarath, G. 2020. Greenbug (Schizaphis graminum)herbivory significantly impacts protein and phosphorylation abundance in switchgrass (Panicum virgatum). Scientific Reports. 10:14842. https://doi.org/10.1038/s41598-020-71828-8.
Aphid-responsive defense networks in hybrid switchgrass Reprint Icon - (Peer Reviewed Journal)
Koch, K.G., Palmer, N.A., Donze-Reiner, T., Scully, E.D., Seravalli, J., Amundsen, K., Twigg, P., Louis, J., Bradshaw, J.D., Heng-Moss, T., Sarath, G. 2020. Aphid-responsive defense networks in hybrid switchgrass. Frontiers in Plant Science. 11:1145. https://doi.org/10.3389/fpls.2020.01145.
Overexpression of ferulate 5-hydroxylase increases syringyl units in Sorghum bicolor Reprint Icon - (Peer Reviewed Journal)
Tetreault, H.M., Gries, T.L., Palmer, N.A., Funnell-Harris, D.L., Sarath, G., Sattler, S.E., Sato, S., Ge, Z. 2020. Overexpression of ferulate 5-hydroxylase increases syringyl units in Sorghum bicolor. Plant Molecular Biology. 103(3):269-285. https://doi.org/10.1007/s11103-020-00991-3.
Gene expression and physiological differences in neo-octoploid switchgrass subjected to drought stress Reprint Icon - (Peer Reviewed Journal)
Chanbusarakum, L.J., Bragg, J.N., Cheng, P.K., Aucar, S., Sarath, G., Palmer, N.A., Edme, S.J., Tobias, C.M. 2020. Gene expression and physiological differences in neo-octoploid switchgrass subjected to drought stress. BioEnergy Research. 13:63-78. https://doi.org/10.1007/s12155-020-10092-0.
Transcriptome divergence during leaf development in two contrasting switchgrass (Panicum virgatum L.) cultivars Reprint Icon - (Peer Reviewed Journal)
Palmer, N.A., Rekalakunta Venka, C., Muhle, A., Tatineni, S., Yuen, G., Edme, S.J., Mitchell, R., Sarath, G. 2019. Transcriptome divergence during leaf development in two contrasting switchgrass (Panicum virgatum L.) cultivars. PLoS One. 14(9):e0222080. https://doi.org/10.1371/journal.pone.0222080.
Fall armyworm (spodoptera frugiperda smith) feeding elicits differential defense responses in upland and lowland switchgrass Reprint Icon - (Peer Reviewed Journal)
Palmer, N.A., Basu, S., Heng-Moss, T., Bradshaw, J.D., Sarath, G., Louis, J. 2019. Fall armyworm (spodoptera frugiperda smith) feeding elicits differential defense responses in upland and lowland switchgrass. PLoS One. 14(6):e0218352. https://doi.org/10.1371/journal.pone.0218352.
Wheat streak mosaic virus alters the transcriptome of its vector, wheat curl mite (Aceria tosichella Keifer), to enhance mite development and population expansion Reprint Icon - (Peer Reviewed Journal)
Guptar, A.K., Scully, E.D., Palmer, N.A., Geib, S.M., Sarath, G., Hein, G.L., Tatineni, S. 2019. Wheat streak mosaic virus alters the transcriptome of its vector, wheat curl mite (Aceria tosichella Keifer), to enhance mite development and population expansion. Journal of General Virology. 100(5):889-910. https://doi.org/10.1099/jgv.0.001256.
Divergent switchgrass cultivars modify cereal aphid transcriptomes Reprint Icon - (Peer Reviewed Journal)
Koch, K.G., Scully, E.D., Palmer, N.A., Geib, S.M., Sarath, G., Heng-Moss, T., Bradshaw, J.D. 2019. Divergent switchgrass cultivars modify cereal aphid transcriptomes. Journal of Economic Entomology. 112(4):1887-1901. https://doi.org/10.1093/jee/toz053.
Global responses of resistant and susceptible sorghum (sorghum bicolor) to sugarcane aphid (melanaphis sacchari) Reprint Icon - (Peer Reviewed Journal)
Tetreault, H.M., Sajjan, G., Scully, E.D., Gries, T.L., Sattler, S.E., Palmer, N.A., Sarath, G., Louis, J. 2019. Global responses of resistant and susceptible sorghum (sorghum bicolor) to sugarcane aphid (melanaphis sacchari). Frontiers in Plant Science. 10:145.Available: https://doi.org/10.3389/fpls.2019.00145.
A two amino acid difference in the coat protein of satellite panicum mosaic virus isolates is responsible for differential synergistic interaction with panicum mosaic virus Reprint Icon - (Peer Reviewed Journal)
Rekalakunta Venka, C., Palmer, N.A., Edme, S.J., Sarath, G., Kovacs, F., Yuen, G., Mitchell, R., Tatineni, S. 2019. A two amino acid difference in the coat protein of satellite panicum mosaic virus isolates is responsible for differential synergistic interaction with panicum mosaic virus. Molecular Plant-Microbe Interactions. 32:479-490. https://doi.org/10.1094/MPMI-09-18-0247-R.
Overexpression of the Sorghum bicolor SbCCoAOMT alters cell wall associated hydroxycinnamoyl groups Reprint Icon - (Peer Reviewed Journal)
Tetreault, H.M., Scully, E.D., Gries, T.L., Palmer, N.A., Sattler, S.E., Funnell-Harris, D.L., Baird, L., Seravalli, J., Sarath, G., Clemente, T.E. 2018. Over-expression of the sorghum bicolor SbCCoAOMT alters cell wall associated hydroxycinnamoyl moieties. Plant Physiology. 13(10): e0204153. Available: https://doi.org/10.1371/journal.pone.0204153.
Genomic prediction accuracy for switchgrass traits related to bioenergy within differentiated populations Reprint Icon - (Peer Reviewed Journal)
Fielder, J.D., Lanzatella, C., Edme, S.J., Palmer, N.A., Sarath, G., Mitchell, R., Tobias, C.M. 2018. Genomic prediction accuracy for switchgrass traits related to bioenergy within differentiated populations. Biomed Central (BMC) Plant Biology. 18:142. doi.org/10.1186/s12870-018-1360-z.
Seasonal below-ground metabolism in switchgrass Reprint Icon - (Peer Reviewed Journal)
Palmer, N.A., Saathoff, A.J., Scully, E.D., Tobias, C.M., Twigg, P., Madhavan, S., Schmer, M.R., Cahoon, R., Sattler, S.E., Edme, S.J., Mitchell, R., Sarath, G. 2017. Seasonal below-ground metabolism in switchgrass. Plant Journal. 92(6):1059-1075. https://doi.org/:10.1111/tpj.13742.
Overexpression of SbMyb60 in sorghum bicolor impacts both primary and secondary metabolism Reprint Icon - (Peer Reviewed Journal)
Scully, E.D., Gries, T.L., Palmer, N.A., Sarath, G., Funnell-Harris, D.L., Baird, L., Twigg, P., Seravalli, J., Clemente, T.E., Sattler, S.E. 2017. Overexpression of SbMyb60 in sorghum bicolor impacts both primary and secondary metabolism. New Phytologist. 217(1):82-104. doi:10.1111/nph.14815.
Organ-specific transcriptome profiling of metabolic and pigment biosynthesis pathways in the floral ornamental progenitor species Anthurium amnicola Dressler - (Peer Reviewed Journal)
Suzuki, J.Y., Amore, T.D., Calla Zalles, B., Palmer, N.A., Scully, E.D., Sattler, S.E., Sarath, G., Lichty, J.S., Myers, R.Y., Keith, L.M., Matsumoto, T.K., Geib, S.M. 2017. Organ-specific transcriptome profiling of metabolic and pigment biosynthesis pathways in the floral ornamental progenitor species Anthurium amnicola Dressler. Scientific Reports. 7:1596.
Transcriptional analysis of defense mechanisms in upland tetraploid switchgrass to greenbugs Reprint Icon - (Peer Reviewed Journal)
Donze-Reiner, T., Palmer, N.A., Scully, E.D., Prochaska, T.J., Koch, K.G., Sattler, S.E., Heng-Moss, T., Bradshaw, J., Sarath, G., Amundsen, K., Twigg, P. 2017. Transcriptional analysis of defense mechanisms in upland tetraploid switchgrass to greenbugs. Biomed Central (BMC) Plant Biology. 17(1):46.
Chracterization of class III peroxidases from switchgrass Reprint Icon - (Peer Reviewed Journal)
Moural, T.W., Lewis, K.M., Barnaba, C., Zhu, F., Palmer, N.A., Sarath, G., Scully, E.D., Jones, J.P., Vermerris, W., Sattler, S.E., Kang, C. 2016. Chracterization of class III peroxidases from switchgrass. Plant Pathology. 173(1):417-433. doi:10.1104/pp.16.01426.
Insect and plant-derived miRNAs in greenbug (schizaphis graminum) and yellow sugarcane aphid (sipha flava) revealed by deep sequencing Reprint Icon - (Peer Reviewed Journal)
Wang, H., Zhang, C., Dou, Y., Yu, B., Liu, Y., Heng-Moss, T., Lu, G., Wachholtz, M., Bradshaw, J.D., Twigg, P., Scully, E.D., Palmer, N.A., Sarath, G. 2016. Insect and plant-derived miRNAs in greenbug (schizaphis graminum) and yellow sugarcane aphid (sipha flava) revealed by deep sequencing. Gene. 599:68-77. doi:10.1016/j.gene.2016.11.014.
Identification, characterization, and gene expression analysis of nucleotide binding site (NB)-type resistance gene homologues in switchgrass Reprint Icon - (Peer Reviewed Journal)
Frazier, T.P., Xie, F., Palmer, N.A., Tobias, C.M., Donze-Reiner, T., Bombarely, A., Childs, K., Zhang, B., Sarath, G., Zhao, B. 2016. Identification, characterization, and gene expression analysis of nucleotide binding site (NB)-type resistance gene homologues in switchgrass. Biomed Central (BMC) Genomics. 17(1):892. doi:10.1186/s12864-016-3201-5.
Switchgrass ecotypes alter microbial contribution to deep-soil C - (Peer Reviewed Journal)
Roosendaal, D.L., Stewart, C.E., Denef, K., Follett, R., Pruessner, E.G., Comas, L.H., Varvel, G.E., Saathoff, A., Palmer, N.A., Sarath, G., Jin, V.L., Schmer, M.R., Madhavan, S. 2016. Switchgrass ecotypes alter microbial contribution to deep-soil C. Soil. SOIL 2, 185–197. doi:10.5194/soil-2-185-2016.
Proteomic responses of switchgrass and prairie cordgrass to senescence Reprint Icon - (Peer Reviewed Journal)
Paudell, B., Das, A., Tran, M., Boe, A., Palmer, N.A., Sarath, G., Gonzalez-Hernandez, J.L., Rushton, P.J., Rohila, J.S. 2016. Proteomic responses of switchgrass and prairie cordgrass to senescence. Frontiers in Plant Science. 7:293. doi: 10.3389/fpls.2016.00293.
Overexpression of SbMyb60 impacts phenylpropanoid biosynthesis and alters secondary cell wall composition in sorghum bicolor Reprint Icon - (Peer Reviewed Journal)
Scully, E.D., Gries, T.L., Sarath, G., Palmer, N.A., Sattler, S.E., Baird, L., Serapiglia, M., Dien, B.S., Boateng, A.A., Funnell-Harris, D.L., Twigg, P., Clemente, T.E. 2016. Overexpression of SbMyb60 impacts phenylpropanoid biosynthesis and alters secondary cell wall composition in sorghum bicolor. Plant Journal. 85:378-395.
The WRKY transcription factor family and senescence in switchgrass Reprint Icon - (Peer Reviewed Journal)
Rinerson, C.I., Scully, E.D., Palmer, N.A., Donze-Reiner, T., Rabara, R.C., Tripathi, P., Shen, Q.J., Sattler, S.E., Rohila, J.S., Sarath, G., Rushton, P.J. 2015. The WRKY transcription factor family and senescence in switchgrass. Biomed Central (BMC) Genomics. 16:912. doi: 10.1186/s12864-015-2057-4.
Transcriptional responses of tolerant and susceptible soybeans to soybean aphid (Aphis glycines Matsumura) herbivory - (Peer Reviewed Journal)
Prochaska, T., Donze-Reiner, T., Palmer, N.A., Heng-Moss, T.M., Hunt, T., Sarath, G. 2015. Transcriptional responses of tolerant and susceptible soybeans to soybean aphid (Aphis glycines Matsumura) herbivory. Arthropod-Plant Interactions. 9:347-359.
Transcriptional profiling of resistant and susceptible buffalograsses in response to Blissus occiduus (Hemiptera: Blissidae) feeding - (Peer Reviewed Journal)
Ramm, C., Wachholtz, M., Amundsen, K., Donze-Reiner, T., Heng-Moss, T., Twigg, P., Palmer, N.A., Sarath, G., Baxendal, F. 2014. Transcriptional profiling of resistant and susceptible buffalograsses in response to Blissus occiduus (Hemiptera: Blissidae) feeding. Journal of Economic Entomology. 108: 1354-1362.
Switchgrass (Panicum virgatum L) flag leaf transcriptomes reveal molecular signatures of leaf development, senescence, and mineral dynamics - (Peer Reviewed Journal)
Contrasting metabolism in perenniating structures of upland and lowland switchgrass plants late in the growing season Reprint Icon - (Peer Reviewed Journal)
Palmer, N.A., Saathoff, A.J., Tobias, C.M., Twigg, P., Xia, Y., Vogel, K.P., Madhavan, S., Sattler, S.E., Sarath, G. 2014. Contrasting metabolism in perenniating structures of upland and lowland switchgrass plants late in the growing season. PLoS One. 9/1-11.
Characterization of greenbug feeding behavior and aphid (Hemiptera: Aphididae) host preference in relation to resistant and susceptible tetraploid switchgrass populations - (Peer Reviewed Journal)
Koch, K.G., Palmer, N.A., Stamm, M., Heng-Moss, T.M., Bradshaw, J.D., Blankenship, E., Baird, L.M., Sarath, G. 2014. Characterization of greenbug feeding behavior and aphid (Hemiptera: Aphididae) host preference in relation to resistant and susceptible tetraploid switchgrass populations. BioEnergy Research. DOI: 10.1007/s12155-014-9510-0.
Switchgrass cultivars alter microbial contribution to deep soil C - (Abstract Only)
Global changes in mineral transporters in tetraploid switchgrasses (Panicum virgatum L.) Reprint Icon - (Peer Reviewed Journal)
Palmer, N.A., Saathoff, A., Donze-Reiner, T., Waters, B., Heng-Moss, T., Twigg, P., Tobias, C.M., Sarath, G. 2014. Global changes in mineral transporters in tetraploid switchgrasses (Panicum virgatum L.). Frontiers in Plant Science. 4:1-12.
Switchgrass cultivars alter microbial contribution to deep soil C in Nebraska - (Abstract Only)
Towards uncovering the roles of switchgrass peroxidases in plant processes Reprint Icon - (Peer Reviewed Journal)
Saathoff, A.J., Donze, T., Palmer, N.A., Bradshaw, J., Heng-Moss, T., Twigg, P., Tobias, C., Lagrimini, M., Sarath, G. 2013. Towards uncovering the roles of switchgrass peroxidases in plant processes. Frontiers in Plant Biotechnology. 4:1-12. doi 10.3389/fpls.2013.00202.
Identification and characterization of 4 missense mutations in brown midrib 12 (Bmr12); the caffeic O-methyltranferase (COMT) of sorghum Reprint Icon - (Peer Reviewed Journal)
Sattler, S.E., Palmer, N.A., Saballos, A., Greene, A.M., Xin, Z., Sarath, G., Vermerris, W., Pedersen, J.F. 2012. Identification and characterization of 4 missense mutations in brown midrib 12 (Bmr12); the caffeic O-methyltranferase (COMT) of sorghum. BioEnergy Research. 5: 855-865. DOI 10.1007/s12155-012-9197.
Next generation sequencing of crown and rhizome transcriptome from an upland, tetraploid switchgrass Reprint Icon - (Peer Reviewed Journal)
Palmer, N.A., Saathoff, A.J., Kim, J., Benson, A., Tobias, C.M., Twigg, P., Vogel, K.P., Madhavan, S., Sarath, G. 2012. Next generation sequencing of crown and rhizome transcriptome from an upland, tetraploid switchgrass. BioEnergy Research. 5:649-661. DOI 10.1007/s12155-011-9171-1.
A Fluorescent Assay for Plant Caffeic Acid O-methyltransferases - (Abstract Only)
Palmer, N.A., Sattler, S.E., Saathoff, A.J., Sarath, G. 2010. A Fluorescent Assay for Plant Caffeic Acid O-methyltransferases. Abstract only - Poster presented at the Biotechnology for Fuels and Chemicals Symposium Proceedings in Clearwater, FL, April 19-22, 2010. Not published elsewhere.
A Continuous, Quantitative Fluorescent Assay for Plant Caffeic acid O-Methyltransferases - (Peer Reviewed Journal)
Palmer, N.A., Sattler, S.E., Saathoff, A.J., Sarath, G. 2010. A Continuous, Quantitative Fluorescent Assay for Plant Caffeic acid O-Methyltransferases. Journal of Agricultural and Food Chemistry. 58: 5220-5226
A Nonsense Mutation in a Cinnamyl Alcohol Dehydrogenase Gene is Responsible for the Sorghum Brown Midrib-6 Phenotype - (Peer Reviewed Journal)
Sattler, S.E., Saathoff, A.J., Haas, E.J., Palmer, N.A., Funnell-Harris, D.L., Sarath, G., Pedersen, J.F. 2009. A nonsense mutation in a cinnamyl alcohol dehydrogenase gene is responsible for the sorghum brown midrib-6 phenotype. Plant Physiology 150 (2):584-95.
Impact of Divergent Selection on the Abundance and Activities of Lignin Biosynthetic Enzymes in Switchgrass, and Characterization of Recombinant Switchgrass CAD and COMT Proteins - (Abstract Only)
Saathoff, A.J., Palmer, N.A., Tobias, C.M., Twigg, P., Sattler, S.E., Haas, E.J., Mitchell, R., Vogel, K.P., Sarath, G. 2009. Impact of Divergent Selection on the Abundance and Activities of Lignin Biosynthetic Enzymes in Switchgrass, and Characterization of Recombinant Switchgrass CAD and COMT Proteins. p. 47 Abstracts 31st Symposium on Biotechnology for Fuels and Chemicals, Soc. for Industrial Microbiology. May 3-6, 2009, San Francisco, CA.
The sorghum brown midrib mutants, tools to improve biomass for feed and bio-fuels - (Abstract Only)
Sattler, S.E., Saathoff, A.J., Haas, E.J., Palmer, N.A., Funnell-Harris, D.L., Sarath, G., Pedersen, J.F. 2009. The sorghum brown midrib mutants, tools to improve biomass for feed and bio-fuels. PAG XVII. Abstract W467.
Genetic background impacts soluble and cell wall-bound aromatics in brown midrib mutants of sorghum - (Peer Reviewed Journal)
Palmer, N.A., Sattler, S.E., Saathoff, A.J., Funnell-Harris, D.L., Pedersen, J.F., Sarath, G. 2008. Genetic background impacts soluble and cell wall-bound aromatics in brown midrib mutants of sorghum. Planta 229 (1): 115-127