1. Plant and Microbial Biology Department, University of California, Berkeley, California, USA
2. Energy Biosciences Institute, University of California, Berkeley, California, USA
3. Plant Pathology and Plant-Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York, USA
4. U.S. Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, USA
5. Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA