A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

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Reference
Citation Mao, Y., Tournier, A.L., Bates, P.A., Gale, J.E., Tapon, N., Thompson, B.J. (2011). Planar polarization of the atypical myosin Dachs orients cell divisions in Drosophila.  Genes Dev. 25(2): 131--136. (Export to RIS)
FlyBase ID FBrf0212813
Publication Type Research paper
PubMed ID 21245166
PubMed Abstract Tissues can grow in a particular direction by controlling the orientation of cell divisions. This phenomenon is evident in the developing Drosophila wing epithelium, where the tissue becomes elongated along the proximal-distal axis. We show that orientation of cell divisions in the wing requires planar polarization of an atypical myosin, Dachs. Our evidence suggests that Dachs constricts cell-cell junctions to alter the geometry of cell shapes at the apical surface, and that cell shape then determines the orientation of the mitotic spindle. Using a computational model of a growing epithelium, we show that polarized cell tension is sufficient to orient cell shapes, cell divisions, and tissue growth. Planar polarization of Dachs is ultimately oriented by long-range gradients emanating from compartment boundaries, and is therefore a mechanism linking these gradients with the control of tissue shape.
DOI 10.1101/gad.610511
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Language of Publication English
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Publication Type Journal
Abbreviation Genes Dev.
Title Genes & Development
Publication Year 1987-
ISBN/ISSN 0890-9369
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