Motility-gradient induced elongation of the vertebrate embryo

Ido Regev, Karine Guevorkian, Olivier Pourquie, and L Mahadevan1,5∗ Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA Jacob Blaustein Institutes for Desert Research, Ben-Gurion University, Sede Boqer Campus, 84990, Israel Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), CNRS (UMR 7104), Inserm U964, Université de Strasbourg, Illkirch F-67400, France Harvard Medical School, Department of Genetics, Brigham and Women’s Hospital, Department of Pathology, Boston, MA 02115, USA and Departments of Organismic and Evolutionary Biology and Physics, Wyss Institute for Bioinspired Engineering and Kavli Institute for NanoBio Science and Technology, Harvard University, Cambridge, MA 02138, USA