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Title: Expression of the blistered/DSRF gene is controlled by different morphogens during Drosophila trachea and wing development
Authors: Nussbaumer, U
Halder, Georg
Groppe, J
Affolter, M ×
Montagne, J #
Issue Date: Aug-2000
Publisher: Elsevier Scientific Publishers Ireland
Series Title: Mechanisms of Development vol:96 issue:1 pages:27-36
Abstract: The Drosophila serum response factor (DSRF) is expressed in the precursors of the terminal tracheal cells and in the future intervein territories of the third instar wing imaginal disc. Dissection of the DSRF regulatory region reveals that a single enhancer element, which is under the control of the fibroblast growth factor (FGF)-receptor signalling pathway, is sufficient to induce DSRF expression in the terminal tracheal cells. In contrast, two separate enhancers direct expression in distinct intervein sectors of the wing imaginal disc. One element is active in the central intervein sector and is induced by the Hedgehog signalling pathway. The other element is under the control of Decapentaplegic and is active in two separate territories, which roughly correspond to the intervein sectors flanking the central sector. Hence, each of the three characterized enhancers constitutes a molecular link between a specific territory induced by a morphogen signal and the localized expression of a gene required for the final differentiation of this territory.
URI: 
ISSN: 0925-4773
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Non-KU Leuven Association publications
× corresponding author
# (joint) last author

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