Welcome to our webpage! Our research program uses molecular, genetic, genomic, cell biology, and computational methods to study the interactions between plants and their symbionts. We focus primarily on plant pathogenic bacteria and the molecular dialog that is exchanged with its warring partners. Follow the "research" tab for brief comments on what we study. Links to publications are provided. We are also highly collaborative and our research includes topics such as microbial signaling, mRNA processing, and the study of other types of plant-pathogenic organisms.
A paper describing the genome sequencing and mutant screen for genes potentially involved in controlling against leaf and pseudobulb necrosis of orchid has been accepted for publication in MPMI. This is another collaborative effort with our colleagues at USDA and scientists in Brazil.
We are excited to welcome:
Dr. Chih-Feng Wu, a new postdoctoral scholar
Lucas Dantas Lopes, a visiting graduate student from Brazil
Heidi Lederhos, an undergraduate student
Michael Belcher, an undergraduate student
This work was a collaborative effort with Joyce Loper (USDA-ARS) and Kerry McPhail (Pharmacy). The paper describes the role that an intermediate in antibiotic biosynthesis has as a chemical messenger to influence gene expression in Pseudomonas protegens Pf-5.
This was a collaborative effort with Dr. Aymeric Goyer who is at the Hermiston Agricultural Research and Extension Center. We provided assistance with processing and analysis of RNA-Seq data. To access the paper, follow this link.
Allison Creason successfully defended her PhD thesis and was unanimously passed by her committee, who gave her "exceeds expectations" in essentially all categories.
Please join us in congratulating Dr. Creason!
We were awarded a grant from USDA-NIFA-SCRI to help the nursery industry manage diseases caused by broad host range, gall-causing bacterial pathogens. This is a collaborative research project involving six investigators all at Oregon State University. Websites for the collaborators are linked (see side tab). For more information, please follow this link.
This is a collaborative effort to use RNA-Seq datasets to improve the genome annotation of an agriculturally important oomycete pathogen. This study also investigated the breadth of alternative mRNA splicing and its role in oomycete development and virulence.
This is another collaborative paper with several investigators to characterize the stress-induced expression patterns of nonsense mRNAs in Arabidopsis thaliana. Our group contributed to the biotic stress-related experiments and analysis of its corresponding RNA-Seq data.