[1] RIKEN, GSC, Plant Funct Genom Res Grp, Plant Mutat Explorat Team, Tsukuba, Ibaraki 3050074, Japan
[2] RIKEN, Tsukuba Inst, Lab Plant Mol Biol, Tsukuba, Ibaraki 3050074, Japan
[3] Minist Agr Forestry & Fisheries, Japan Int Res Ctr Agr Sci, Biol Resources Div, Tsukuba, Ibaraki 3050074, Japan
[4] RIKEN, Tsukuba Inst, Genome Sci Lab, Tsukuba, Ibaraki 3050074, Japan