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Cited by 175

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Two signalling pathways specify localised expression of the Broad-Complex in Drosophila eggshell patterning and morphogenesis

Deng, Wu-Min, Bownes, Mary·1997·Development

Abstract

The Drosophila eggshell, which has a pair of chorionic appendages (dorsal appendages) located asymmetrically along both the anterior/posterior and dorsal/ventral axes, provides a good model to study signal instructed morphogenesis. We show that the Broad-Complex, a gene encoding zinc-finger transcription factors, is essential for the morphogenesis of dorsal appendages and is expressed in a bilaterally symmetrical pattern in the lateral-dorsal-anterior follicle cells during late oogenesis. This is induced and specified along the dorsoventral axis by an epidermal growth factor receptor signalling pathway, which includes a localised transforming growth factor-alpha like molecule, Gurken, in the oocyte and the Drosophila EGF receptor homologue, Torpedo, in the surrounding somatic follicle cells. Furthermore, the precisely localised expression of BR-C along the AP axis requires a separate signalling pathway, initiated by a transforming growth factor-beta homologue, Decapentaplegic, in nearby follicle cells. These two signalling pathways, one from the oocyte and the other from the follicle cells, co- ordinately specify patches of follicle cells to express the Broad-Complex in a unique position in respect to both major axes, which in turn directs the differentiation of the dorsal appendages in the correct position on the eggshell.

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Crossref · 10.1242/dev.124.22.4639

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Metadata

Authors
Deng, W.-M., & Bownes, M.
Venue
Development
Published
1997-11-15
Volume
124
Issue
22
Pages
4639-4647
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
OpenAlex
W2184627692
Cited by
175
References
4
FWCI
2.70
Type
journal article
Language
en
Open access
closed

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