About the Authors

Masaki Fujita

Affiliation Laboratory for Cell Fate Decision, RIKEN, Center for Developmental Biology, Kobe, Japan

Hisako Takeshita

Affiliation Laboratory for Cell Fate Decision, RIKEN, Center for Developmental Biology, Kobe, Japan

Hitoshi Sawa

To whom correspondence should be addressed. E-mail: sawa@cdb.riken.jp

Affiliations Laboratory for Cell Fate Decision, RIKEN, Center for Developmental Biology, Kobe, Japan, Department of Biology, Graduate School of Science, Kobe University, Kobe, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HS MF. Performed the experiments: MF HT. Analyzed the data: MF. Contributed reagents/materials/analysis tools: HT. Wrote the paper: HS.