A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\DrScer\UAS.cIa

General Information
SymbolDmel\DrScer\UAS.cIaSpeciesD. melanogaster
NameSaccharomyces cerevisiae UAS construct a of IsshikiFlyBase IDFBal0063863
Feature typealleleAssociated geneDmel\Dr
Allele class
Mutagenin vitro construct - regulatory fusion
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Description
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FB2013_03
FB2013_02
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Construct: An Dr cDNA containing the entire open reading frame together with 236bp of 5' and 124bp of 3' untranslated sequences is expressed under the control of Scer\UAS regulatory sequences.
Carried in construct
Cytology
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Overexpression of DrScer\UAS.cIa, under the regulation of Scer\GAL4ap-md544 in pharate adults results in reduced and crumpled wings, and a reduced notum. However, no hinge-like sensory organs or other structures could be discerned in the latter. Overexpression of DrScer\UAS.cIa, under the regulation of Scer\GAL4ap-md544 in the whole dorsal compartment of the disc at 17oC reduces the size of the notum territory. At 25oC, it strongly inhibits the development of this territory and individuals die at the pupal stages.
When DrScer\UAS.cIa is driven by Scer\GAL4how-24B alterations are seen both dorsal muscle and heart cell populations. The number of heart cells is dramatically reduced. The majority of pericardial cells and about 70% of cardioblasts are lacking. The majority of eve expressing DA1 muscle precursors are substituted by supernumerary DO1 muscles.
The anterior wing margin differentiates dorsal-type bristles arranged in a dorsal-like pattern on both surfaces in flies expressing DrScer\UAS.cIa under the control of Scer\GAL4C-765. The pattern of the vein L3 is symmetric, with a dorsal corrugation pattern on both surfaces. Few bristles are seen on the ventral surface of the alula, suggesting transformation to a dorsal fate. Expression of DrScer\UAS.cIa under the control of Scer\GAL4ap-md544 reduces the size of the dorsal wing pouch and induces differentiation of ectopic bristles in the wing blade. Vein differentiation is also affected.
A small fraction of flies expressing DrScer\UAS.cIa under the control of Scer\GAL4ey.PB show mild roughening of the eye. Expression of DrScer\UAS.cIa under the control of Scer\GAL4dpp.blk1 has no effect on eye development. Expression of DrScer\UAS.cIa under the control of Scer\GAL4h-1J3 results in lethality prior to the third larval instar. Expression of DrScer\UAS.cIa under the control of Scer\GAL4GMR.PF results in lethality prior to eclosion. Rare escapers exhibit severe roughening of the eye. Approximately 25% of eye discs in which DrScer\UAS.cIa is expressed under the control of Scer\GAL4hs.PB using a 1 hour heat shock (followed by a 4 hour recovery) show an arrest of the morphogenetic furrow.
The segmental border muscles are absent and the number of Kr-expressing muscles increases in embryos expressing Dr[Scer\UAS.cIa] under the control of Scer\GAL4[how-24B].
Scer\GAL4how-24B-mediated expression severely alters muscle morphology, muscle may be completely missing or exhibit abnormal shape and orientation. Less severe phenotype is seen in the dorsal region, muscles are thicker than normal and occasionally contain additional muscles. Ventral internal muscles are also disorganised. Lateral transverse muscles form normally but their morphology is somewhat irregular. Ectopic Dr expression interferes with the correct specification of the progenitors/founders.
Produces severe disruptions of the axon tracts in embryos, when expressed using Scer\GAL4sca-537.4; the commissures are almost completely absent and the longitudinal connectives are broken and interrupted. Gaps are often seen along the midline in these embryos. The aCC, pCC, CQ, fpCC and RP2 neurons fail to differentiate.
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Expression of DrScer\UAS.cIa under the control of Scer\GAL4ap-md544 in apmd544/apUGO35 flies does not restore outgrowth of the wing, although the few margin bristles seen in the dorsal surface of these wings have dorsal identity. Co-expression of fngEP3082 and DrScer\UAS.cIa under the control of Scer\GAL4ap-md544 in apmd544/apUGO35 flies results in dorsal differentiation in bristles of the dorsal anterior wing margin.
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hide Synonyms & Secondary IDs ( 4 )
Reported As
Symbol Synonym
DrScer\UAS.cIa
 
mshScer\UAS.cIa
mshUAS.cIa
 
Name Synonym
Saccharomyces cerevisiae UAS construct a of Isshiki
Secondary FlyBase IDs
hide References ( 10 )
Research paper
Müller et al., 2010, PLoS ONE 5(12): e14323
Regulation and Functions of the lms Homeobox Gene during Development of Embryonic Lateral Transverse Muscles and Direct Flight Muscles in Drosophila. [FBrf0212632]
Von Ohlen and Moses, 2009, Mech. Dev. 126(7): 552--562
Identification of Ind transcription activation and repression domains required for dorsoventral patterning of the CNS. [FBrf0208241]
Villa-Cuesta and Modolell, 2005, Development 132(18): 4087--4096
Mutual repression between msh and Iro-C is an essential component of the boundary between body wall and wing in Drosophila. [FBrf0187488]
Jagla et al., 2002, Development 129(4): 1037--1047
Cross-repressive interactions of identity genes are essential for proper specification of cardiac and muscular fates in Drosophila. [FBrf0144816]
Milan et al., 2001, Development 128(17): 3263--3268
msh specifies dorsal cell fate in the Drosophila wing. [FBrf0138371]
Mozer, 2001, Dev. Biol. 233(2): 380--393
Dominant Drop mutants are gain-of-function alleles of the muscle segment homeobox gene (msh) whose overexpression leads to the arrest of eye development. [FBrf0136848]
Jagla et al., 1999, Int. J. Dev. Biol. 43(6): 571--573
Plasticity within the lateral somatic mesoderm of Drosophila embryos. [FBrf0123062]
Nose et al., 1998, Development 125(2): 215--223
Regional specification of muscle progenitors in Drosophila: the role of the msh homeobox gene. [FBrf0100612]
Yagi et al., 1998, Development 125(18): 3625--3633
Interaction between Drosophila EGF receptor and vnd determines three dorsoventral domains of the neuroectoderm. [FBrf0104795]
Isshiki et al., 1997, Development 124(16): 3099--3109
The role of the msh homeobox gene during Drosophila neurogenesis: implication for the dorsoventral specification of the neuroectoderm. [FBrf0098274]