A few years ago.

A few years ago, the researchers found a molecule in frog embryos, which diffused at the edges and is synthesized inside. This second molecule as a morphogen, and it is the redistribution of this molecule, which ultimately receives determines the morphogen signal each development unit cell considered in a way that embryo size.

Ben-Zvi, Barkai and Shilo have now brought the theoretical model back in the lab, carrying out experiments on fruit fly larvae, in fact patterning begins in small structures called wing discs.Apart Sadeq – Nasseri, Kim and Hartman, other Hopkins researcher participated Robert Robert Cotter, Kimberly Walters, Sarat the Dalai; Tatiana Boronina, Wendell Griffith, and Robert Cole with the Securities has it now at the University of Texas Southwestern Medical Center. Other investigators was is based at the U.S. Walter Reed Army Institute of Research such as Robert Schwenk, and David Lanar, and Urszula Krzych.