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Common and distinct roles of DFos and DJun during Drosophila development.


Riesgo-Escovar, J R; Hafen, E (1997). Common and distinct roles of DFos and DJun during Drosophila development. Science, 278(5338):669-672.

Abstract

The Drosophila homolog of c-Jun regulates epithelial cell shape changes during the process of dorsal closure in mid-embryogenesis. Here, mutations in the DFos gene are described. In dorsal closure, DFos cooperates with DJun by regulating the expression of dpp; Dpp acts as a relay signal that triggers cell shape changes and DFos expression in neighboring cells. In addition to the joint requirement of DFos and DJun during dorsal closure, DFos functions independently of DJun during early stages of embryogenesis. These findings demonstrate common and distinct roles of DFos and DJun during embryogenesis and suggest a conserved link between AP-1 (activating protein-1) and TGF-beta (transforming growth factor-beta) signaling during epithelial cell shape changes.

The Drosophila homolog of c-Jun regulates epithelial cell shape changes during the process of dorsal closure in mid-embryogenesis. Here, mutations in the DFos gene are described. In dorsal closure, DFos cooperates with DJun by regulating the expression of dpp; Dpp acts as a relay signal that triggers cell shape changes and DFos expression in neighboring cells. In addition to the joint requirement of DFos and DJun during dorsal closure, DFos functions independently of DJun during early stages of embryogenesis. These findings demonstrate common and distinct roles of DFos and DJun during embryogenesis and suggest a conserved link between AP-1 (activating protein-1) and TGF-beta (transforming growth factor-beta) signaling during epithelial cell shape changes.

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106 citations in Web of Science®
104 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:07 Faculty of Science > Institute of Zoology (former)
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Language:English
Date:24 October 1997
Deposited On:11 Feb 2008 12:16
Last Modified:05 Apr 2016 12:14
Publisher:American Association for the Advancement of Science (AAAS)
ISSN:0036-8075
Publisher DOI:10.1126/science.278.5338.669
PubMed ID:9381174

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