Valley Stewart

Valley Stewart

Position Title

Department of Microbiology and Molecular Genetics, College of Biological Sciences

239A Briggs Hall


  • 1977  B. A.  (Biology)  University of Colorado
  • 1982 Ph. D.  (Microbiology)  University of Virginia


Stewart, V.  2017.  The Legacy of Genetic Analysis Advances Contemporary Research with Escherichia coli K-12 and Salmonella enterica serovar Typhimurium LT2.  EcoSal Plus. ESP-0014-2016  PMID: 28443537

Pruitt, R. N., A. Joe, W. Zhang, W. Feng, V. Stewart, B. Schwessinger, J. R. Dinneny, and P.  C. Ronald.  2017.  A microbially derived tyrosine-sulfated peptide mimics a plant peptide hormone.  New Phytol. 215:725-736.  PMID: 28556915

Luu, D. D., A. Joe, Y. Chen, K. Parys, O. Bahar, R. Pruitt, L. J. G. Chan, C. J. Petzold, K. Long, C. Adamchak, V. Stewart, Y. Belkhadir, and P. C. Ronald.  2019.  Biosynthesis and secretion of the microbial sulfated peptide RaxX and binding to the rice XA21 immune receptor.  Proc. Natl. Acad. Sci. USA 116:8525-8534.  PMID: 30948631

Liu F, M. McDonald, B. Schwessinger, A. Joe, R. Pruitt, T. Erickson, X. Zhao, V. Stewart V, and P. C. Ronald.  2019.  Variation and inheritance of the Xanthomonas raxX-raxSTAB gene cluster required for activation of XA21-mediated immunity.  Mol. Plant Pathol. 20:656-672.  PMID: 30773771


  • MIC 102 Introductory Microbiology
  • MIC 111 Human Microbiology