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Disruption of Bardet-Biedl syndrome ciliary proteins perturbs planar cell polarity in vertebrates

Lookup NU author(s): Dr Helen PhillipsORCiD, Professor Deborah HendersonORCiD

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Abstract

The evolutionarily conserved planar cell polarity (PCP) pathway (or noncanonical Wnt pathway) drives several important cellular processes, including epithelial cell polarization, cell migration and mitotic spindle orientation. In vertebrates, PCP genes have a vital role in polarized convergent extension movements during gastrulation and neurulation. Here we show that mice with mutations in genes involved in Bardet-Biedl syndrome (BBS), a disorder associated with ciliary dysfunction, share phenotypes with PCP mutants including open eyelids, neural tube defects and disrupted cochlear stereociliary bundles. Furthermore, we identify genetic interactions between BBS genes and a PCP gene in both mouse (Ltap, also called Vangl2) and zebrafish (vangl2). In zebrafish, the augmented phenotype results from enhanced defective convergent extension movements. We also show that Vangl2 localizes to the basal body and axoneme of ciliated cells, a pattern reminiscent of that of the BBS proteins. These data suggest that cilia are intrinsically involved in PCP processes. © 2005 Nature Publishing Group.

Publication metadata

Author(s): Ross AJ, May-Simera H, Eichers ER, Kai M, Hill J, Jagger DJ, Leitch CC, Chapple JP, Munro PM, Fisher S, Tan PL, Phillips HM, Leroux MR, Henderson DJ, Murdoch JN, Copp AJ, Eliot M-M, Lupski JR, Kemp DT, Dollfus H, Tada M, Katsanis N, Forge A, Beales PL

Publication type: Article

Publication status: Published

Journal: Nature Genetics

Year: 2005

Volume: 37

Issue: 10

Pages: 1135-1140

Print publication date: 01/10/2005

ISSN (print): 1061-4036

ISSN (electronic): 1546-1718

Publisher: Nature Publishing Group

URL: http://dx.doi.org/10.1038/ng1644

DOI: 10.1038/ng1644

PubMed id: 16170314

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