Cell interaction and its role in mesoderm cell migration during Xenopus gastrulation.

Abstract

In the Xenopus gastrula, the mesoderm moves as a coherent cell aggregate across the blastocoel roof toward the animal pole. We show that the cohesion of the mesoderm is not only mechanically necessary, but that aggregate formation has profound effects on the migratory behavior of mesoderm cells. Whereas isolated mesoderm cells are bi- or multipolar, move… (More)

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