About the Authors

Takuya Katayama

Affiliation Department of Biotechnology, The University of Tokyo, Tokyo, Japan

Hirotaka Uchida

Affiliation Department of Biotechnology, The University of Tokyo, Tokyo, Japan

Akinori Ohta

Affiliation Department of Biotechnology, The University of Tokyo, Tokyo, Japan

Hiroyuki Horiuchi

ahhoriu@mail.ecc.u-tokyo.ac.jp

Affiliation Department of Biotechnology, The University of Tokyo, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TK HU AO HH. Performed the experiments: TK HU. Analyzed the data: TK AO HH. Contributed reagents/materials/analysis tools: HU HH. Wrote the paper: TK AO HH.