About the Authors

Seiji Tanaka

setanaka@lab.nig.ac.jp

Affiliations Division of Microbial Genetics, National Institute of Genetics, Mishima, Japan, Department of Genetics, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Mishima, Japan

Hiroyuki Araki

Affiliations Division of Microbial Genetics, National Institute of Genetics, Mishima, Japan, Department of Genetics, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Mishima, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ST HA. Performed the experiments: ST. Analyzed the data: ST HA. Contributed reagents/materials/analysis tools: ST. Wrote the paper: ST HA.