[1] RIKEN, Plant Sci Ctr, Yokohama, Kanagawa 2300045, Japan
[2] RIKEN, Bioinformat & Syst Engn Div, Yokohama, Kanagawa 2300045, Japan
[3] Kyushu Inst Technol, Dept Biosci & Bioinformat, Frontier Res Acad Young Researchers, Iizuka, Fukuoka 8208502, Japan
[4] Univ Calif Riverside, Dept Bot & Plant Sci, Ctr Plant Cell Biol, Riverside, CA 92521 USA