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ARS Home » Pacific West Area » Pullman, Washington » WHGQ » People » Patricia A. Okubara

Patricia A Okubara

Research Geneticist (Plants)



UCLA. PhD in Biology, 1992.

University of California, Davis. BS in Biochemistry, 1974.

Santa RosaJunior College, Santa Rosa, CA. AA, 1972.


2001-present. USDA-ARS Root Disease and Biological Control Research Unit, Pullman, WA. Research Geneticist (Plants).

2001-present. Department of Plant Pathology, WashingtonStateUniversity. Adjunct Faculty.

2003-present. Molecular Plant Sciences Graduate Program, WashingtonStateUniversity. Adjunct Faculty.

1997-2001. USDA-ARS, Albany, CA. Postdoctoral Associate.

1995-1997. Department of Environmental Horticulture, University of California, Davis. Visiting Scientist.

1992-1995. Department of Vegetable Crops, University of California, Davis.   Postdoctoral Fellow.

Professional Societies:

American Phytopathological Society

American Society of Plant Biologists


Expertise and Scientific Interests:

  • Plant defense gene expression and defense pathways
  • Genomic approaches to understanding root-pathogen and root-biocontrol interactions
  • Bioinformatics and comparative genomics ofGgt, the take-all pathogen of wheat
  • Real-time PCR of soilborne pathogens and nematodes

Current Research:

Inheritance and molecular basis of Rhizoctonia tolerance in EMS-treated and perennial wheat genotypes

Defense gene expression in wheat roots during interactions with beneficial and pathogenic microbes

Characterization of new Pseudomonas strains having multi-inhibitory activities against soilborne fungal pathogens and nematodes

Development of real-time PCR diagnostics for soilborne pathogens and pests

Comparative genomics of the Magnaporthaceae, with focus on the take-all pathogen of wheat

Function of the jasmonate pathway in wheat root innate immunity

Management of Rhizoctonia root rot and other root diseases of wheat and rotation crops

Updated December 2011