Genomic Sciences Center, Yokohama Institute, RIKEN, 1-77-22, Suehiro, Tsurumi, Yokohama, Kanagawa, Japan. toyop@gsc.riken.go.jp|Genomic Sciences Center, Yokohama Institute, RIKEN, 1-77-22, Suehiro, Tsurumi, Yokohama, Kanagawa, Japan. toyop@gsc.riken.go.jp|Genomic Sciences Center, Yokohama Institute, RIKEN, 1-77-22, Suehiro, Tsurumi, Yokohama, Kanagawa, Japan. toyop@gsc.riken.go.jp|Genomic Sciences Center, Yokohama Institute, RIKEN, 1-77-22, Suehiro, Tsurumi, Yokohama, Kanagawa, Japan. toyop@gsc.riken.go.jp|Genomic Sciences Center, Yokohama Institute, RIKEN, 1-77-22, Suehiro, Tsurumi, Yokohama, Kanagawa, Japan. toyop@gsc.riken.go.jp|Genomic Sciences Center, Yokohama Institute, RIKEN, 1-77-22, Suehiro, Tsurumi, Yokohama, Kanagawa, Japan. toyop@gsc.riken.go.jp