About the Authors

Satoru Nogami

Affiliation Department of Integrated Biosciences, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, Chiba, Japan

Yoshikazu Ohya

To whom correspondence should be addressed. E-mail: ohya@k.u-tokyo.ac.jp (image analysis); Gael.Yvert@ens-lyon.fr (all other inquiries)

Affiliation Department of Integrated Biosciences, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, Chiba, Japan

Gaël Yvert

To whom correspondence should be addressed. E-mail: ohya@k.u-tokyo.ac.jp (image analysis); Gael.Yvert@ens-lyon.fr (all other inquiries)

Affiliations Laboratoire de Biotechnologie et Bioprocédés, Institut National des Sciences Appliquées, Centre National de la Recherche Scientifique UMR5504, Toulouse, France , Université de Lyon, Lyon, France; Université Lyon 1, Lyon, France; Laboratoire de Biologie Moléculaire de la Cellule, Institut National de la Recherche Agronomique, Centre National de la Recherche Scientifique, Ecole Normale Supérieure de Lyon, Lyon, France; IFR128 BioSciences Lyon-Gerland, Lyon, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

YO and GY conceived and designed the experiments. SN performed the experiments. GY analysed the data and wrote the paper.