University of California, Riverside

Microbiology and Plant Pathology



 J Adaskaveg

Jim Adaskaveg

Office Location: 242 Fawcett Lab
Phone: (951) 827-7577

Professor of Plant Pathology - Plant Pathologist, Mycologist, and Epidemiologist
Biology, epidemiology, and ecology of plant pathogenic fungi

Michael F. Allen


Distinguished Professor of the Graduate Division
Biology and ecology of microbial-plant-soil interactions

Emma L. Aronson

Office Location: 3411 Boyce Hall 
Phone: (951) 827-4201

Assistant Professor
Soil microbial ecology and biogeochemistry

Katherine Borkovich 

Office Location: 1234B Genomics
Phone: (951) 827-2753

Chair; Professor of Plant Pathology & Fungal Cell Biologist/Biochemist
Fungal cell and molecular biology; functional genomics of fungi

 James Borneman

 Office Location: 3407 Boyce Hall 
 Phone: (951) 827-3584

Professor & Vice Chair
Microbial Ecology

 Michael D. Coffey

 Office Location: 2435 Boyce Hall 
 Phone: (951) 827-4764

Professor of Plant Pathology & Plant Pathologist
Phytophthora systematics, genetics, and pathology

Patrick Degnan

Office Location: 2317A Webber Hall  
Phone: (951) 827-4115

Assistant Professor of Microbiology
Bioinformatics, Computational Biology, Genomics, Microbial Ecology, Molecular Evolution, Regulation of Gene Expression, Human Gut Microbiomes

 Shou-Wei Ding

 Office Location: 3202A Genomics
 Phone: (951) 827-2341

Professor and Plant Pathologist
Molecular Virology
emma gachomo

Emma Gachomo

Office Location: 2491 Boyce Hall 
Phone: (951) 827-2093

Assistant Professor of Plant Pathology & Microbiology and Assistant Plant Pathologist
sydney glassman

Sydney I. Glassman

Office Location: Boyce Hall 2469
Phone: (951)-827-6727

Assistant Professor of Plant Pathology & Microbiology



Rong Hai

Office Location: 4488 Boyce Hall 
Phone: (951) 827-3910

Assistant Professor of Virology

Ansel Hsiao

Office Location: 3263 Webber Hall
Phone: (951) 827-2525

Assistant Professor of Microbiology and Assistant Microbiologist


Hailing Jin

Office Location: 3234B Genomics
Phone: (951) 827-7995

Professor & Molecular Geneticist
Gene regulation and signal transduction in plant immunity


Howard Judelson

Office Location: 1234A Genomics
Phone: (951) 827-4199

Professor of Plant Pathology
Molecular biology and genomics of oomycetes, with an emphasis on the growth and pathogenesis of Phytophthora

Wenbo Ma

Office Location: 1234C Genomics
Phone: (951) 827-4349

Professor of Plant Pathology and Plant Pathologist
Molecular Plant-Pathogen Interactions

Patricia Manosalva

Office Location: 3485 Boyce Hall 
Phone: (951) 827-3773

Assistant Professor & Director of the Avocado Rootstock Breeding Program- Plant Pathologist, Molecular Biologist and Biochemist
Molecular and genetic basis of plant immunity against oomycete pathogens with an emphasis on Phytophthora cinnamomi. Avocado Molecular-Assisted Breeding
 juliet morrison

Juliet Morrison 

Office Location: Boyce Hall 4490
Phone: (951) 827-5368

Assistant Professor, Microbiology and Plant Pathology



James Ng

Office Location: 3233 Webber Hall 
Phone: (951) 827-4239

Associate Professor and Associate Plant Pathologist
Plant Virology, virus-insect vector interactions

Alexander Putman

Office Location: 238 Fawcett Lab 
Phone: (951) 827-4212

Assistant Specialist in Cooperative Extension and Assistant Plant Pathologist

A.L.N Rao

Office Location: 3259 Webber Hall 
Phone: (951) 827-3810

Professor of Plant Pathology & Microbiology
Molecular biology of virus-host interactions: Replication and genome packaging in RNA viruses infecting plants and insects.

Caroline Roper

Office Location: 3441 Boyce Hall 
Phone: (951) 827-3510

Associate Professor of Plant Pathology & Plant Pathologist
Molecular basis of the host/pathogen interactions of vector borne plant pathogenic bacteria and the role of the phytobiome in plant health and disease tolerance.


Jason E. Stajich

Office Location: 1207K Genomics
Phone: (951) 827-2363

Professor & Bioinformaticist
Evolutionary and population genomics of fungi

Georgios Vidalakis

Office Location: 2491 Boyce Hall 
Phone: (951) 827-3763

Director of the Citrus Clonal Protection Program, Associate Specialist in Cooperative Extension, Plant Pathology & Associate Plant Pathologist & Lecturer
Citrus viral diseases

Cooperating Faculty Members


 xuemei chen

Xuemei Chen 

Office Location: 4234A Genomics 
Phone: (951) 827-3988

Professor of Plant Cell and Molecular Biology 

Cell fate specification and stem cell regulation in flower development; molecular mechanisms of microRNA metabolism and RNA silencing
 isgouhi kaloshian

Isgouhi Kaloshian

Office Location: 2107A Genomics
Phone: (951) 827-3913

 Professor and Chair, Department of Nematology
 philip roberts

Philip Roberts

Office Location: 2251 Spieth
Phone: (951) 827-7332


 Professor, Department of Nematology
 joel sachs

Joel Sachs

Office Location: 5406 Boyce Hall 
Phone: (951) 827-6357



Professor, Department of Evolution, Ecology, and Organismal Biology

More Information 

General Campus Information

University of California, Riverside
900 University Ave.
Riverside, CA 92521
Tel: (951) 827-1012

Contact Information

Department of Microbiology and Plant Pathology
Boyce Hall 1463

Tel: (951) 827-3598
Fax: (951) 827-4294