About the Authors

Toshiyuki Harumoto

Affiliation Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan

Hisashi Anbutsu

Affiliation Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan

Takema Fukatsu

t-fukatsu@aist.go.jp

Affiliation Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TH. Performed the experiments: TH HA. Analyzed the data: TH HA. Wrote the paper: TH HA TF.