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PMID: 1861720 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Research Support, U.S. Gov't, P.H.S.

Multiple modes of engrailed regulation in the progression towards cell fate determination.

Nature ·Vol. 352 ·No. 6334 ·1991-08-01 ·Pages 404-10

Heemskerk J, DiNardo S, Kostriken R, O'Farrell PH

Abstract

The engrailed gene product of Drosophila specifies the fate of a subset of cells in each segment. Our studies of engrailed regulation suggest that fate determination is an elaborate, multistep process. At the time in embryogenesis when the engrailed-dependent cell fate is probably determined, four modes of control act in an overlapping progression to govern engrailed expression. After activation by pair-rule genes, both an extracellular signal, wingless, and autoregulation are required for engrailed expression. Autoregulation graduates to wingless independence, but is transient, and is superseded by an engrailed-independent mode of maintenance.

Related Genes
en wg
MeSH Terms
Animals Cell Differentiation/genetics Drosophila/embryology,genetics Ectoderm/cytology Gene Expression Regulation Homeostasis Hot Temperature Mutation Promoter Regions, Genetic Stem Cells/cytology Wings, Animal/embryology
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Heemskerk J
Department of Biochemistry and Biophysics, UCSF School of Medicine 94143-0448.
DiNardo S
Kostriken R
O'Farrell P H
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Article Info
Journal
Nature
Abbr.
Nature
ISSN
0028-0836
Published
1991-08-01
Pages
404-10
Language
English
Region
England
NLM ID
0410462
PMCID
PMC2755087
Subset
IM
Grants
NIGMS NIH HHS · R01 GM037193 · United States
NIGMS NIH HHS · R01 GM037193-10 · United States
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