About the Authors
National Institute of Agrobiological Sciences (NIAS), Tsukuba, Ibaraki, Japan
Ritsumeikan University, Kusatsu, Japan
Department of Bioproduction Science, Ishikawa Prefectural University, Ishikawa, Japan
The authors have declared that no competing interests exist.
Conceived and designed the experiments: TF MN TM. Performed the experiments: TF AS MN YN YK EM HK. Analyzed the data: TF MN TM AS YN YK EM HK. Contributed reagents/materials/analysis tools: SY. Wrote the paper: MN TM TF.