A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\zipScer\UAS.T:Avic\GFP

General Information
SymbolDmel\zipScer\UAS.T:Avic\GFPSpeciesD. melanogaster
NameFlyBase IDFBal0177086
Feature typealleleAssociated geneDmel\zip
Allele class
Mutagenin vitro construct - regulatory fusionin vitro construct - coding region fusion
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Description
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FB2013_03
FB2013_02
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Construct: Scer\UAS regulatory sequences drive expression of an N-terminal fragment of zip tagged with T:Avic\GFP.
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Cytology
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zip[Scer\UAS.T:Avic\GFP] driven by Scer\GAL4[da.G32] rescues the loss of rotation in the proventriculus and anterior midgut seen in zip[3] homozygotes. zip[Scer\UAS.T:Avic\GFP] driven by the circular visceral muscle drivers Scer\GAL4[how-24B], Scer\GAL4[Gap1-NP3392], Scer\GAL4[48Y] or Scer\GAL4[NetB-NP1522] partially rescues the loss of rotation in the proventriculus and anterior midgut seen in zip[3] homozygotes. zip[Scer\UAS.T:Avic\GFP] driven by the longitudinal visceral muscle drivers Scer\GAL4[NP221] or Scer\GAL4[tey-5053A] fails to rescue the loss of rotation in the proventriculus and anterior midgut seen in zip[3] homozygotes. zip[Scer\UAS.T:Avic\GFP] driven by the drivers Scer\GAL4[NP5021], Scer\GAL4[drm.7.1], Scer\GAL4[byn-Gal4], Scer\GAL4[elav-C155] or Scer\GAL4[wg.PM] fails to rescue the loss of rotation in the proventriculus and anterior midgut seen in zip[3] homozygotes. Expression of zip[Scer\UAS.T:Avic\GFP] driven by Scer\GAL4[wg.PM] suppresses the dorsal closure defects found in zip[3] homozygotes although the no-rotation phenotype is not suppressed. Expression of zip[Scer\UAS.T:Avic\GFP] driven by Scer\GAL4[wg.PM] suppresses the dorsal closure defects found in zip[4] homozygotes although the no-rotation phenotype is not suppressed. Expression of zip[Scer\UAS.T:Avic\GFP] continuously in a non-permissive temperature (32[o]C), under the control of Scer\GAL4[da.G32] and Scer\GAL80[ts.αTub84B], rescues the laterality defects found in zip[3] mutants. The zip[3] rotation defects are not rescued when the 1 hour shift to the non-permissive temperature occurs from stage 14 onwards. The temperature shift applied from 16 to 17 hours after egg laying(AEL), which corresponds to stage 12, leads to the most efficient rescue of the laterality defects associated with zip[3] mutants. However, expression of zip[Scer\UAS.T:Avic\GFP] after 22 hours AEL, corresponding to stage 14, does not rescue the laterality, 'no rotation' phenotype. zip[Scer\UAS.T:Avic\GFP] driven by Scer\GAL4[how-24B] partially rescues the loss of side specific rearrangement in circular visceral muscle cells seen in zip[3] homozygotes. The failure of the circular visceral muscle midline to rotate in relation to the midline of the embryo is also partially rescued.
Expression of zipScer\UAS.T:Avic\GFP, driven by Scer\GAL4mat.αTub67C.T:Hsim\VP16, allows 34% of zip1 mutants to hatch and undergo larval development, instead of dying as embryos.
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Symbol Synonym
zipScer\UAS.T:Avic\GFP
 
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Research paper
Okumura et al., 2010, Dev. Biol. 344(2): 693--706
Left-right asymmetric morphogenesis of the anterior midgut depends on the activation of a non-muscle myosin II in Drosophila. [FBrf0211383]
Barros et al., 2003, Dev. Cell 5(6): 829--840
Drosophila nonmuscle myosin II promotes the asymmetric segregation of cell fate determinants by cortical exclusion rather than active transport. [FBrf0167483]