About the Authors

Shunji Natsuka

natsuka@bio.sc.niigata-u.ac.jp

Affiliation Department of Biology, Faculty of Science, Niigata University, Niigata, Japan

Mayumi Masuda

Affiliation Department of Biology, Faculty of Science, Niigata University, Niigata, Japan

Wataru Sumiyoshi

Affiliation Life Science Research Center, Kagawa University, Takamatsu, Kagawa, Japan

Shin-ichi Nakakita

Affiliation Life Science Research Center, Kagawa University, Takamatsu, Kagawa, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SN. Performed the experiments: SN MM WS. Analyzed the data: SN SiN. Contributed reagents/materials/analysis tools: SN MM SiN. Wrote the paper: SN.