Sorting sloppy Sonic.

Little, Shawn C; Gregor, Thomas · Cell · 2013

basic_science · Level V

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Abstract

In the classic picture of morphogen-mediated patterning, cells acquire the correct spatial arrangement of specified fates by reading a precisely distributed gradient of morphogen. Xiong et al. now provide evidence for an alternate strategy-cells of the zebrafish neural tube actively sort to their correct positions following disordered specification by Sonic hedgehog.