1. Department of Biochemistry, Institute of Chemistry, University of Sao Paulo, Sao Paulo 05508-900, SP, Brazil
2. The DOE Joint Genome Institute, Berkeley, CA 94720, USA
3. Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA
4. Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
5. Department of Plant Sciences, University of California, Davis, CA 95616, USA