1. Department of Botany and Plant Sciences, University of California Riverside , Riverside, CA 92521 , United States
2. Department of Microbiology and Plant Pathology, University of California Riverside , Riverside, CA 92521 , United States
3. Department of Biomolecular Engineering, University of California Santa Cruz , Santa Cruz, CA 95064 , United States
4. DNA Technologies and Expression Analysis Core Laboratory, Genome Center, University of California-Davis , Davis, CA 95616 , United States
5. Department of Ecology and Evolutionary Biology, University of California Santa Cruz , Santa Cruz, CA 95064 , United States
6. Institute for Integrative Genome Biology, University of California Riverside , Riverside, CA 92521 , United States