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Ryan J. Percifield
Contact Information
Phone: 706-542-9729
Email: rpercifi@uga.edu
Address: Department of Genetics
C424 Life Sciences Building
Athens, GA 30602
Education
B.S. Boise State University, Biological Sciences Department. 1998.
M.S. Iowa State University, Plant Pathology Department. 2000.
Professional Experience
Research Professional, laboratory of Dr. Jeffrey L. Bennetzen, University of Georgia, Department of Genetics. 2007-present.
Assistant Scientist, laboratory of Dr. Jonathan F. Wendel, Iowa State University, Department of Ecology, Evolution and Organismal Biology. 2002-2007.
Research Technician, laboratory of Dr. Eve S. Wurtele, Iowa State University, Department of Botany. 2001
Graduate Research Assistant, laboratory of Dr. Forrest Nutter Jr., Iowa State University, Department of Plant Pathology. 1998-2000
· Thesis title " Effects of prescribed burning on the health and productivity of tallgrass prairies in Iowa. "
Undergraduate Research Assistant, laboratory of Dr. Robert Rychert, Boise State University, Department of Biology. 1997-1998.
Affiliations and Awards
2000 Delta Sigma Gamma (Honor Society of Agriculture)
1996-1998 Boise State University Biology Scholarship
1998 American Chemical Society Certification in Analytical ChemistryPublications
Ryan J. Percifield, Jennifer S. Hawkins, and Jonathan F. Wendel. 2007. Genetic diversity in Hypericum and AFLP markers for species-specific identification of H. perforatum L. Planta Medica. 73: 1614-1621.
Udall, J.A., Swanson, J.M., Percifield, R.J., and J.F. Wendel. 2006. A novel approach for characterizing expression levels of genes duplicated by polyploidy. Genetics 173: 1823-1827.
Keyte, A. L., Percifield, R. , B. Liu, and J. F. Wendel. 2006. Infraspecific DNA methylation polymorphism in cotton (Gossypium hirsutum L.). Heredity 97: 444-450.
Adams, K.L., Percifield, R., and J.F. Wendel. 2004. Organ-specific silencing of duplicated genes in a newly synthesized cotton allotetraploid. Genetics 168: 2217-2226.
Adams, K.L., Cronn, R.C., Percifield, R., and J.F. Wendel. 2003. Genes duplicated by polyploidy show unequal contributions to the transcriptome and organ-specific reciprocal silencing. Proc Natl Acad Sci USA 100: 4649–4654.
Teaching Experience
Introduction to Plant Pathology. Iowa State University. Fall 1999.