Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.
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Watch the cell transplant experiments in zebrafish that suggest certain embryonic cells rely on intrinsic directional cues for collective migration.
Associate Professor in Molecular Cell & Developmental Biology at the University of Texas at Austin, John Wallingford, makes his living using cutting-edge microscopic techniques to watch developmental events unfold in real time.
In exploring how embryos take shape, John Wallingford has identified a key pathway involved in vertebrate development—and human disease.
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