Robert Upchurch Upchurch, R. G., & Ramirez, M. E. (2011). Effects of temperature during soybean seed development on defense-related gene expression and fungal pathogen accumulation. BIOTECHNOLOGY LETTERS, 33(12), 2397–2404. https://doi.org/10.1007/s10529-011-0722-5 Upchurch, R. G., & Ramirez, M. E. (2011). Soybean Plastidal Omega-3 Fatty Acid Desaturase Genes GmFAD7 and GmFAD8: Structure and Expression. CROP SCIENCE, 51(4), 1673–1682. https://doi.org/10.2135/cropsci2010.09.0537 Upchurch, R. G., & Ramirez, M. E. (2010). Gene Expression Profiles of Soybeans with Mid-Oleic Acid Seed Phenotype. JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 87(8), 857–864. https://doi.org/10.1007/s11746-010-1576-z Zhang, P., Burton, J. W., Upchurch, R. G., Whittle, E., Shanklin, J., & Dewey, R. E. (2008). Mutations in a Delta(9)-Stearoyl-ACP-Desaturase Gene Are Associated with Enhanced Stearic Acid Levels in Soybean Seeds. CROP SCIENCE, 48(6), 2305–2313. https://doi.org/10.2135/cropsci2008.02.0084 Xue, H. Q., Upchurch, R. G., & Kwanyuen, P. (2008). Relationships between oleic and linoleic acid content and seed colonization by Cercospora kikuchii and Diaporthe phaseolorum. PLANT DISEASE, 92(7), 1038–1042. https://doi.org/10.1094/PDIS-92-7-1038 Byfield, G. E., & Upchurch, R. G. (2007). Effect of temperature on delta-9 stearoyl-ACP and microsomal omega-6 desaturase gene expression and fatty acid content in developing soybean seeds. CROP SCIENCE, 47(4), 1698–1704. https://doi.org/10.2135/cropsci2006.04.0213 Xue, H. Q., Upchurch, R. G., & Kwanyuen, P. (2006). Ergosterol as a quantifiable biomass marker for Diaporthe phaseolorum and Cercospora kikuchii. PLANT DISEASE, 90(11), 1395–1398. https://doi.org/10.1094/PD-90-1395 Byfield, G. E., Xue, H., & Upchurch, R. G. (2006). Two genes from soybean encoding soluble Delta 9 stearoyl-ACP desaturases. CROP SCIENCE, 46(2), 840–846. https://doi.org/10.2135/cropsci2005.06-0172 Upchurch, R. G., Rose, M. S., Eweida, M., & Zuo, W. N. (2005). Expression of the cercosporin transporter, CFP, in tobacco reduces frog-eye lesion size. BIOTECHNOLOGY LETTERS, 27(20), 1543–1550. https://doi.org/10.1007/s10529-005-1780-3 Kuykendall, L. D., & Upchurch, R. G. (2004). Expression in sugar beet of the introduced cercosporin toxin export (CFP) gene from Cercospora kikuchii, the causative organism of purple seed stain in soybean. BIOTECHNOLOGY LETTERS, 26(9), 723–727. https://doi.org/10.1023/B:BILE.0000024096.22105.c3 Upchurch, R. G., Rose, M. S., Eweida, M., & Callahan, T. M. (2002). Transgenic assessment of CFP-mediated cercosporin export and resistance in a cercosporin-sensitive fungus. CURRENT GENETICS, 41(1), 25–30. https://doi.org/10.1007/s00294-002-0280-4 Upchurch, R. G., Rose, M. S., & Eweida, M. (2001). Over-expression of the cercosporin facilitator protein, CFP, in Cercospora kikuchii up-regulates production and secretion of cercosporin. FEMS MICROBIOLOGY LETTERS, 204(1), 89–93. https://doi.org/10.1111/j.1574-6968.2001.tb10868.x Upchurch, R. G., Callahan, T. M., & Ehrenshaft, M. (2000). Fungal gene encoding resistance to the phytotoxin cercosporin. Washington, DC: U.S. Patent and Trademark Office. Callahan, T. M., Rose, M. S., Meade, M. J., Ehrenshaft, M., & Upchurch, R. G. (1999). CFP, the putative cercosporin transporter of Cercospora kikuchii, is required for wild type cercosporin production, resistance, and virulence on soybean. MOLECULAR PLANT-MICROBE INTERACTIONS, 12(10), 901–910. https://doi.org/10.1094/MPMI.1999.12.10.901 Elkan, G. H., & Upchurch, R. G. (1997). Current issues in symbiotic nitrogen fixation: Selected papers of the 15th North American Conference on Symbiotic Nitrogen Fixation held at North Carolina State University, Raleigh, NC, USA, 13-17 August 1995. Dordrecht; London: Kluwer Academic. Upchurch, R. G. (1995). Genetic regulation of cercosporin production in Cercospora kikuchii. JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 72(12), 1435–1438. https://doi.org/10.1007/BF02577834 Upchurch, R. G., Meade, M. J., Hightower, R. C., Thomas, R. S., & Callahan, T. M. (1994). Transformation of the fungal soybean pathogen Cercospora kikuchii with the selectable marker bar. Applied and Environmental Microbiology, 60(12), 4592. Zablotowicz, R. M., Upchurch, R. G., & Ligon, J. M. (1989). Bradyrhizobium japonicum mutants exhibiting superior soybean nodulation. Washington, DC: U.S. Patent and Trademark Office. UPCHURCH, R. G., & ELKAN, G. H. (1978). AMMONIA ASSIMILATION IN RHIZOBIUM-JAPONICUM COLONIAL DERIVATIVES DIFFERING IN NITROGEN-FIXING EFFICIENCY. JOURNAL OF GENERAL MICROBIOLOGY, 104(FEB), 219–225. https://doi.org/10.1099/00221287-104-2-219