A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\MrtfΔN.H.Scer\UAS

General Information
SymbolDmel\MrtfΔN.H.Scer\UASSpeciesD. melanogaster
NameFlyBase IDFBal0182631
Feature typealleleAssociated geneDmel\Mrtf
Allele class
Mutagenin vitro construct - regulatory fusionin vitro construct - deletion
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Description
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FB2013_03
FB2013_02
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Allele class
Mutagen
Mutations Mapped to the Genome
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Nature of the lesion
Statement
Reference
Construct: Scer\UAS regulatory sequences drive expression of a hyperactive form of Mrtf, in which the inhibitory N-terminal domain has been deleted.
Carried in construct
Cytology
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Statement
Reference
When MrtfΔN.H.Scer\UAS is expressed under the control of both Scer\GAL4twi.PG and Scer\GAL4how-24B together, excessive migration of the mesoderm is seen in developing embryos. This results in disruption of the segmentally distributed muscle pattern in stage 14 embryos; large groups of muscle cells are clustered and located more dorsally than normal, and there are obvious gaps in the ventral lateral region. In stage 16 embryos, the cardiac cells are misaligned and they do not form a heart tube. Expression of MrtfΔN.H.Scer\UAS under the control of Scer\GAL4btl.PS results in defects in the tracheal system in embryos; abnormally long dorsal branches are often seen on the dorsal side of the embryo, whereas the extension of the ganglionic branches is undirectional and enhanced. Expression of MrtfΔN.H.Scer\UAS under the control of Scer\GAL4da.G32 in embryos results in a disruption of the patterning of the tracheal system associated with excessive and unpatterned branches. Defects in mesoderm migration are also seen in these embryos.
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Reported As
Symbol Synonym
MrtfΔN.H.Scer\UAS
 
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Research paper
Han et al., 2004, Proc. Natl. Acad. Sci. U.S.A. 101(34): 12567--12572
A myocardin-related transcription factor regulates activity of serum response factor in Drosophila. [FBrf0180628]