About the Authors

Takashi Soyano

Affiliation National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan

Hiroshi Kouchi

Affiliation National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan

Atsuko Hirota

Affiliation National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan

Makoto Hayashi

makotoh@affrc.go.jp

Affiliation National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TS MH. Performed the experiments: TS HK AH. Analyzed the data: TS MH. Wrote the paper: TS MH.