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United States Department of Agriculture

Agricultural Research Service

Ivan R Baxter
Plant Genetics Research
Computational Biologist
Ivan.Baxter@ars.usda.gov
Phone: (314) 587-1438
Fax: (314) 587-1538
975 N WARSON RD
St. Louis, MO, 63132

Projects
Soybean Seed Improvement Through Quantitative Analysis of Phenotypic Diversity in Response to Environmental Fluctuations
Appropriated (D)
  Accession Number: 425167

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Grasses suppress shoot-borne roots to conserve water during drought - (Peer Reviewed Journal) - (02-Jun-16)
A versatile phenotyping system and analytics platform reveals diverse temporal responses to water availability in Setaria Reprint Icon - (Peer Reviewed Journal)
Fahlgren, N., Feldman, M., Gehan, M.A., Wilson, M., Shyu, C., Bryant, D.W., Hill, S.T., McEntee, C.J., Warnasooriya, S.N., Kumar, I., Ficor, T., Turnipseed, S., Gilbert, K.B., Brutnell, T.P., Carrington, J.C., Mockler, T.C., Baxter, I.R. 2015. A versatile phenotyping system and analytics platform reveals diverse temporal responses to water availability in Setaria. Molecular Plant. 8:1520-1535.
Zbrowse: An interactive GWAS results browser Reprint Icon - (Peer Reviewed Journal)
Ziegler, G.R., Hartsock, R.H., Baxter, I.R. 2015. Zbrowse: An interactive GWAS results browser. Peer J Computer Science. 1:e3. https://dx.doi.org/10.7717/peerj-cs.3.
Introgression of leginsulin, a cysteine-rich protein, and high-protein trait from an Asian soybean plant introduction genotype into a North American experimental soybean line Reprint Icon - (Peer Reviewed Journal)
Krishnan, H.B., Kim, W., Oehrle, N.W., Alaswad, A.A., Baxter, I.R., Wiebold, W.J., Nelson, R.L. 2015. Introgression of leginsulin, a cysteine-rich protein, and high-protein trait from an Asian soybean plant introduction genotype into a North American experimental soybean line. Journal of Agricultural and Food Chemistry. 63:2862-2869.
Lights, camera, action: high-throughput plant phenotyping is ready for a close-up Reprint Icon - (Review Article)
Fahlgren, N., Gehan, M., Baxter, I.R. 2015. Lights, camera, action: high-throughput plant phenotyping is ready for a close-up. Current Opinion in Plant Biology. 24:93-99.
Should we treat the ionome as a combination of individual elements, or should we be deriving novel combined traits? Reprint Icon - (Review Article)
Baxter, I.R. 2015. Should we treat the ionome as a combination of individual elements, or should we be deriving novel combined traits? Journal of Experimental Botany. 66(8):2127-2131.
Population genetics of Setaria viridis, a new model system Reprint Icon - (Peer Reviewed Journal)
Huang, P., Feldman, M., Schroder, S., Bahri, B.A., Diao, X., Zhi, H., Estep, M., Baxter, I.R., Devos, K.M., Kellogg, E.A. 2014. Population genetics of Setaria viridis, a new model system. Molecular Ecology. 23(20):4912-4925.
Assessing metabolomic and chemical diversity of a soybean lineage representing 35 years of breeding Reprint Icon - (Peer Reviewed Journal)
Kusanoa, M., Baxter, I.R., Fukushima, A., Oikawa, A., Okazaki, Y., Nakabayashi, R., Bouvrette, D.J., Achard, F., Jakubowski, A.R., Ballam, J.M., Phillips, J.R., Culler, A.H., Saito, K., Harrigan, G.G. 2015. Assessing metabolomic and chemical diversity of a soybean lineage representing 35 years of breeding. Metabolomics. 11(2):261-270.
Single kernel ionomic profiles are highly heritable indicators of genetic and environmental influences on elemental accumulation in maize grain (Zea mays) - (Peer Reviewed Journal) - (27-Dec-13)
Mapping and validation of quantitative trait loci associated with concentrations of 16 elements in unmilled rice grain - (Peer Reviewed Journal)
Zhang, M., Pinson, S.R., Tarpley, L., Huang, X., Lahner, B., Yakubova, E., Baxter, I.R., Guerinot, M., Salt, D.E. 2014. Mapping and validation of quantitative trait loci associated with concentrations of 16 elements in unmilled rice grain. Theoretical and Applied Genetics. 127(1):137-165.
Elemental concentrations in the seed of mutants and natural variants of Arabidopsis thaliana grown under varying soil conditions Reprint Icon - (Peer Reviewed Journal)
McDowell, S.C., Akmakjian, G., Sladek, C., Mendoza-Cozatl, D., Saini, N., Baxter, I.R., Guerinot, M., Harper, J.F. 2013. Elemental concentrations in the seed of mutants and natural variants of Arabidopsis thaliana grown under varying soil conditions. PLoS One. 8(5):e63014.
Big data computing: Building a vision for ARS information management - (Government Publication)
James, R.R., Lawrence, C.J., Papiernik, S.K., Van Tassell, C.P., Ahuja, L.R., Baxter, I.R., Cannon, S.B., Lunney, J.K., Rexroad Iii, C.E., Sadler, J., Stanton, T.B., Stephensen, C.B. 2013. Big data computing: Building a vision for ARS information management. USDA. Agricultural Research Service Publication (White Paper).
Leveraging non-targeted metabolite profiling via statistical genomics Reprint Icon - (Peer Reviewed Journal)
Shen, M., Broeckling, C., Chu, E., Ziegler, G., Baxter, I.R., Prenni, J., Hoekenga, O. 2013. Leveraging non-targeted metabolite profiling via statistical genomics. PLoS One. 8(2):e57667. Available: http://www.plosone.org/article/info:doi/10.1371/journal.pone.0057667.
High-resolution genome-wide scan of genes, gene-networks and cellular systems impacting the yeast ionome Reprint Icon - (Peer Reviewed Journal)
Yu, D., Danku, J., Baxter, I.R., Kim, S., Vatamaniuk, O., Vitek, O., Ouzzani, M., Salt, D. 2012. High-resolution genome-wide scan of genes, gene-networks and cellular systems impacting the yeast ionome. Biomed Central (BMC) Genomics. 13:623.
Ionomic screening of field-grown soybeans identifies mutants with altered seed elemental composition Reprint Icon - (Peer Reviewed Journal)
Ziegler, G., Terauchi, A.M., Becker, A., Armstrong, P.R., Hudson, K.A., Baxter, I.R. 2012. Ionomic screening of field-grown soybeans identifies mutants with altered seed elemental composition. The Plant Genome. 6(2):1-9.
Genome-wide association studies identify heavy metal ATPase3 as the primary determinant of natural variation in leaf cadmium in Arabidopsis thaliana Reprint Icon - (Peer Reviewed Journal)
Chao, D., Silva, A., Baxter, I.R., Huang, Y., Nordborg, M., Danku, J., Lahner, B., Yakubova, E., Salt, D. 2012. Genome-wide association studies identify heavy metal ATPase3 as the primary determinant of natural variation in leaf cadmium in Arabidopsis thaliana. PLoS Genetics. 8(9):e1002923.
Ionomic characterization of maize kernels in the Intermated B73 x Mo17 (IBM) population Reprint Icon - (Peer Reviewed Journal)
Baxter, I.R., Gustin, J.L., Settles, M.A., Hoekenga, O. 2012. Ionomic characterization of maize kernels in the Intermated B73 x Mo17 (IBM) population. Crop Science. 53:208-220.
Elemental profiles reflect plant adaptations to the environment - (Peer Reviewed Journal)
Baxter, I.R., Dilkes, B. 2012. Elemental profiles reflect plant adaptations to the environment. Science. 336:1661-1663.
Biodiversity of mineral nutrient and trace element accumulation in Arabidopsis thaliana Reprint Icon - (Peer Reviewed Journal)
Baxter, I.R., Hermans, C., Lahner, B., Yakubova, E., Tikhonova, M., Verbruggen, N., Chao, D., Salt, D.E. 2012. Biodiversity of mineral nutrient and trace element accumulation in Arabidopsis thaliana. PLoS One. 7(4):e35121. Available: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0035121.
Growing location has a pronounced effect on the accumulation of cancer chemopreventive agent Bowman-Birk inhibitor in soybean seeds Reprint Icon - (Peer Reviewed Journal)
Krishnan, H.B., Jang, S., Baxter, I.R., Wiebold, W.J. 2012. Growing location has a pronounced effect on the accumulation of cancer chemopreventive agent Bowman-Birk inhibitor in soybean seeds. Crop Science. 52:1786-1794.
Suppression of phospholipase D,gammas confers increased aluminum resistance in Arabidopsis thaliana Reprint Icon - (Peer Reviewed Journal)
Zhao, J., Wang, C., Welti, R., Bedair, M., Sumner, L., Baxter, I.R., Wang, X. 2011. Suppression of phospholipase D,gammas confers increased aluminum resistance in Arabidopsis thaliana. PLoS One. 6(12):e28086. Available: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0028086.
Noise Reduction in High-Throughput Gene Perturbation Screens - (Peer Reviewed Journal) - (08-Jun-11)
Spingolipids in the root play an important role in regulating the leaf ionome in Arabidopsis thaliana - (Peer Reviewed Journal)
Chao, D., Gable, K., Baxter, I.R., Chen, M., Dietrich, C.R., Cahoon, E.B., Guerinot, M., Lahner, B., Lu, S., Markham, J., Morrissey, J., Han, G., Gupta, S., Harmon, J., Jaworski, J.G., Dunn, T., Salt, D.E. 2011. Spingolipids in the root play an important role in regulating the leaf ionome in Arabidopsis thaliana. The Plant Cell. 23(3):1061-1081.
Arabidopsis AtNaKR1 is a phloem mobile metal-binding protein necessary for phloem function and root meristem maintenance - (Peer Reviewed Journal)
Tian, H., Baxter, I.R., Lahner, B., Salt, D.E., Ward, J.M. 2010. Arabidopsis AtNaKR1 is a phloem mobile metal-binding protein necessary for phloem function and root meristem maintenance. The Plant Cell. 22:3963-3979.
Bulk segregant analysis using single nucleotide polymorphism microarrays - (Peer Reviewed Journal)
Becker, A., Chao, D., Zhang, X., Borevitz, J., Salt, D.E., Baxter, I.R. 2011. Bulk segregant analysis using single nucleotide polymorphism microarrays. PLoS One. 6(1). Available: http://www.plosone.org/article/fetchObjectAttachment.action;jsessionid=D50AD35EFC46B269B0DC1E4ECB99A37B.ambra02?uri=info%3Adoi%2F10.1371%2Fjournal.pone.0015993&representation=PDF.
Genetic Diversity for Concentration of Sixteen Mineral Elements Among Diverse Rice Germplasm - (Abstract Only)
Pinson, S.R., Tarpley, L., Baxter, I.R., Zhang, M., Guerinot, M., Punshon, T., Salt, D.E. 2010. Genetic Diversity for Concentration of Sixteen Mineral Elements Among Diverse Rice Germplasm. In: Proceedings of the American Society of Agronomy Meeting, Oct. 31 - Nov. 4, 2010, Long Beach, CA. 296-1.
A coastal cline in sodium accumulation Arabidopsis thaliana is driven by natural variation of the sodium transporter AtHKT1;1 - (Peer Reviewed Journal)
Baxter, I.R., Brazelton, J., Yu, D., Huang, Y., Lahner, B., Nordborg, M., Vitek, O., Salt, D.E. 2010. A coastal cline in sodium accumulation Arabidopsis thaliana is driven by natural variation of the sodium transporter AtHKT1;1. PLoS Genetics. 6(11). Available: http://www.plosgenetics.org/article/info%3Adoi%2F10.1371%2Fjournal.pgen.1001193.
Ionomics of the Maize Nested Association Mapping Panel - (Abstract Only) - (31-Jul-10)
Ionomics of the Maize Nested Association Mapping Panel - (Abstract Only) - (06-Jun-10)
Natural Genetic Variation in Selected Populations of Arabidopsis thaliana is Associated with Ionomic Differences - (Peer Reviewed Journal)
Buescher, E., Achberger, T., Amusan, I., Giannini, A., Ochsenfeld, C., Rus, A., Lahner, B., Hoekenga, O., Yakubova, E., Harper, J., Guerinot, M., Zhang, M., Salt, D.E., Baxter, I.R. 2010. Natural Genetic Variation in Selected Populations of Arabidopsis thaliana is Associated with Ionomic Differences. PLoS One. Available: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0011081
Ionomics - (Review Article)
Baxter, I.R. 2010. Ionomics. Briefings in Functional Genomics and Proteomics. 9:149-156.
Genome Sequencing and Analysis of the Model Grass Brachypodium Distachyon. - (Peer Reviewed Journal)
Vogel, J.P., Garvin, D.F., Gu, Y.Q., Lazo, G.R., Anderson, O.D., Bragg, J.N., Chingcuanco, D.L., Weng, Y., Belknap, W.R., Thomson, J.G., Dardick, C.D., Baxter, I.R. 2010. Genome sequencing and analysis of the model grass Brachypodium distachyon. Nature. 463:763-768.
The Ferroportin Metal Efflux Proteins Function in Iron and Cobalt Homeostasis in Arabidopsis - (Peer Reviewed Journal)
Morrissey, J., Baxter, I.R., Lee, J., Li, L., Lahner, B., Grotz, N., Kaplan, J., Salt, D.E., Guerinot, M. 2009. The Ferroportin Metal Efflux Proteins Function in Iron and Cobalt Homeostasis in Arabidopsis. The Plant Cell. 21:3326-3338.
Last Modified: 1/30/2013
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