Planar Cell Polarity and the Developmental Control of Cell Behavior in Vertebrate Embryos

Author:

Wallingford John B.1

Affiliation:

1. Howard Hughes Medical Institute, Section of Molecular, Cell and Developmental Biology, and Institute for Cellular and Molecular Biology, University of Texas, Austin, Texas, 78712;

Abstract

Planar cell polarity (PCP), the orientation and alignment of cells within a sheet, is a ubiquitous cellular property that is commonly governed by the conserved set of proteins encoded by so-called PCP genes. The PCP proteins coordinate developmental signaling cues with individual cell behaviors in a wildly diverse array of tissues. Consequently, disruptions of PCP protein functions are linked to defects in axis elongation, inner ear patterning, neural tube closure, directed ciliary beating, and left/right patterning, to name only a few. This review attempts to synthesize what is known about PCP and the PCP proteins in vertebrate animals, with a particular focus on the mechanisms by which individual cells respond to PCP cues in order to execute specific cellular behaviors.

Publisher

Annual Reviews

Subject

Cell Biology,Developmental Biology

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