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Analysis of the ftz upstream element : germ layer-specific enhancers are independently autoregulated

Pick, L. and Schier, A. and Affolter, M. and Schmidt-Glenewinkel, T. and Gehring, W. J.. (1990) Analysis of the ftz upstream element : germ layer-specific enhancers are independently autoregulated. Genes & development, Vol. 4, H. 7. pp. 1224-1239.

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Official URL: http://edoc.unibas.ch/dok/A5258972

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Abstract

The Drosophila fushi tarazu (ftz) upstream element is an enhancer-like element that is required for the correct expression of ftz in developing embryos and that directs transcription from a minimal promoter in a ftz-like seven-striped pattern. Using a deletion analysis, we have identified several independent cis-regulatory elements in the upstream element. A distal enhancer directs fusion gene expression in seven stripes primarily in the mesoderm. A more complex proximal enhancer contains a mesodermally active element and a second element with which it interacts to generate seven stripes in the ectoderm. Striped expression directed by each enhancer is ftz-dependent, and each contains binding sites for purified ftz homeo domain. We suggest that ftz protein acts in combination with germ layer-restricted transcription factors directly and positively to regulate the transcription of its own gene.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Growth & Development > Cell Biology (Affolter)
UniBasel Contributors:Affolter, Markus
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Cold Spring Harbor Laboratory
ISSN:0890-9369
Note:Publication type according to Uni Basel Research Database: Journal article
Last Modified:22 Mar 2012 14:20
Deposited On:22 Mar 2012 13:21

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