1. Department of Microbiology and Plant Pathology, University of California, Riverside , Riverside, California, USA
2. Department of Entomology, University of California, Riverside , Riverside, California, USA
3. Department of Botany and Plant Sciences, University of California, Riverside , Riverside, California, USA
4. Institute for Integrative Genome Biology, University of California, Riverside , Riverside, California, USA