A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\AntpScer\UAS.cBa

General Information
SymbolDmel\AntpScer\UAS.cBaSpeciesD. melanogaster
NameSaccharomyces cerevisiae UAS construct a of BelloFlyBase IDFBal0104893
Feature typealleleAssociated geneDmel\Antp
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: A 2.2kb NotI fragment which contains the Antp cDNA is driven by Scer\UAS sequences.
Carried in construct
Cytology
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Expression of Antp[Scer\UAS.cBa] under the control of Scer\GAL4[dpp.blk1] results in antenna-to-leg transformation and a reduction in the eye. Expression of Antp[Scer\UAS.cBa] under the control of Scer\GAL4[ey-OK107] results in approximately 95% pupal lethality. 75-100% of escapers show a reduction in the eye compared to wild type.
Misexpression of Antp[Scer\UAS.cBa] under the control of Scer\GAL4[ey.PH] promotes antenna-to-leg transformation but does not induce wing development. Ectopic expression of Antp[Scer\UAS.cBa] in the eye disc using the eye-specific driver Scer\GAL4[OK107] results in 8% of flies exhibiting an eye-to-wing transformation, in addition to an eye reduction phenotype.
Expression of AntpScer\UAS.cBa under the control of Scer\GAL4ey.PB induces ectopic wings with antero-posterior and dorsal ventral axes.
Clones in the arista expressing Antp[Scer\UAS.cBa] under the control of Scer\GAL4[Act5C.PP] are wild type (they are not transformed to tarsus or leg identity). Expression of Antp[Scer\UAS.cBa] under the control of Scer\GAL4[dpp.blk1] results in transformation of the arista to tarsus.
Postembryonic neuroblast (pNB) clones in the larval thorax expressing AntpScer\UAS.cBa under the control of Scer\GAL4αTub84B.PL are reduced in size compared to wild-type clones and the clones show loss of the pNB in at least 82% of cases.
When AntpScer\UAS.cBa is driven by Scer\GAL4ey.PH a reduction in eye size is seen. When AntpScer\UAS.cBa is driven by Scer\GAL4dpp.blk1 a reduction in eye size is seen as well as antenna to leg transformations. When AntpScer\UAS.cBa is driven by Scer\GAL4GMR.PF only a minor defect in eye size is seen. When AntpScer\UAS.cBa is driven by Scer\GAL4OK107 an eyeless phenotype is seen.
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AntpScer\UAS.cBa, Scer\GAL4dpp.blk1, eyScer\UAS.cHa has neuron & dorsal mesothoracic disc phenotype
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Statement
Reference
Co-expression of ey[Scer\UAS.cHa] rescues eye formation in animals expressing Antp[Scer\UAS.cBa] under the control of Scer\GAL4[ey-OK107]. Co-expression of either ey[ΔPD.Scer\UAS] or ey[ΔCT.Scer\UAS] is able to rescue the eye loss caused by expression of Antp[Scer\UAS.cBa] under the control of Scer\GAL4[ey-OK107]. Animals co-expressing ey[ΔHD.Scer\UAS] and Antp[Scer\UAS.cBa] under the control of Scer\GAL4[ey-OK107] show lethality such that few pupae are obtained. The few escapers show partial rescue of the eye loss caused by expression of Antp[Scer\UAS.cBa] under the control of Scer\GAL4[ey-OK107].
Expression of Antp[Scer\UAS.cBa] and N[act.sev] under the control of Scer\GAL4[ey.PH] induces the ectopic outgrowth of T2-specific appendages (wings and legs) on the adult head the transformation of the anntenna into leg is not complete, owing to the fact that Scer\GAL4[ey.PH] is not expressed in the entire antennal disc. The penetrance of the eye-to-wing transformation found in Scer\GAL4[ey.PH]; Antp[Scer\UAS.cBa] mutants is increased upon ectopic co-expression of bip2[Scer\UAS.cPa] from 8% to 24%. Ectopic expression of bip2[Scer\UAS.cPa] in combination with Antp[Scer\UAS.cBa] and N[act.sev], under the control of Scer\GAL4[ey.PH] strongly enhances the penetrance of eye-to-wing transformation. About 80% of these flies show eye-to-wing transformation compared with 40% without co-expression of bip2[Scer\UAS.cPa].
Co-expression of pb[Scer\UAS.T:Avic\GFP-EGFP] suppresses the arista-to-tarsus transformation seen in flies expressing Antp[Scer\UAS.cBa] under the control of Scer\GAL4[dpp.blk1].
The antenna to leg transformation phenotype in AntpScer\UAS.cBa, Scer\GAL4dpp.blk1 flies is suppressed by eyScer\UAS.cHa. Co-expression of eyScer\UAS.cHa and AntpScer\UAS.cBa when driven by Scer\GAL4dpp.blk1 leads to a inhibition of neuronal differentiation in the wing disc. Co-expression of eyScer\UAS.cHa and AntpScer\UAS.cBa when driven by Scer\GAL4ey.PH represses the AntpScer\UAS.cBa eye phenotypes.
Expression of AntpScer\UAS.cBa and NICN.Scer\UAS driven by Scer\GAL4ey.PH is lethal. About 1/4 of those few escapers that do survive are found to have ectopic wings on their heads that usually consisted of dorsal and ventral wing blades bordered by bristles of the wing margin, but lacking wing veins. About 17% of these flies showed ectopic leg structures induced by secondary transformation of the ectopic antennal tissue into leg structures, an additional 10% showed a transformation of the original antenna to leg structures.
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hide Synonyms & Secondary IDs ( 2 )
Reported As
Symbol Synonym
AntpScer\UAS.cBa
 
Name Synonym
Saccharomyces cerevisiae UAS construct a of Bello
Secondary FlyBase IDs
hide References ( 9 )
Research paper
Plaza et al., 2008, Proc. Natl. Acad. Sci. U.S.A. 105(36): 13439--13444
Cross-regulatory protein-protein interactions between Hox and Pax transcription factors. [FBrf0206999]
Prince et al., 2008, Development 135(9): 1669--1679
The YPWM motif links Antennapedia to the basal transcriptional machinery. [FBrf0205311]
Katsuyama et al., 2005, Proc. Natl. Acad. Sci. U.S.A. 102(44): 15918--15923
Involvement of winged eye encoding a chromatin-associated bromo-adjacent homology domain protein in disc specification. [FBrf0191445]
Percival-Smith et al., 2005, Genome 48(4): 712--721
Tarsus determination in Drosophila melanogaster. [FBrf0187678]
Alexandre and Vincent, 2003, Development 130(4): 729--739
Requirements for transcriptional repression and activation by Engrailed in Drosophila embryos. [FBrf0155721]
Bello et al., 2003, Neuron 37(2): 209--219
A pulse of the Drosophila Hox protein Abdominal-A schedules the end of neural proliferation via neuroblast apoptosis. [FBrf0156017]
Plaza et al., 2001, EMBO J. 20(4): 802--811
Molecular basis for the inhibition of Drosophila eye development by Antennapedia. [FBrf0134592]
Kurata et al., 2000, Proc. Natl. Acad. Sci. U.S.A. 97(5): 2117--2122
Notch signaling and the determination of appendage identity. [FBrf0126718]
Personal communication to FlyBase
Bello, 2000.3.15, UAS-Antp construct.
UAS-Antp construct. [FBrf0126721]