A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\hhScer\UAS.cAa

General Information
SymbolDmel\hhScer\UAS.cAaSpeciesD. melanogaster
NameSaccharomyces cerevisiae UAS construct a of AzpiazuFlyBase IDFBal0057274
Feature typealleleAssociated geneDmel\hh
Allele class
Mutagenin vitro construct - regulatory fusion
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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
Type
Location
Additional Notes
References
Associated Sequence Data
DDBJ /
EMBL /
GenBank
DNA sequence
Protein sequence
Name
 
UniProtKB/Swiss-Prot
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Progenitor genotype
Nature of the lesion
Statement
Reference
hh cDNA 11 is cloned as a KpnI-XbaI fragment into pUAST.
Construct: Expression of full length hh protein is governed by Scer\UAS regulatory sequences.
Carried in construct
Cytology
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glial cell & eye disc | somatic clone | cell non-autonomous, with Scer\GAL4Act5C.PP
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Statement
Reference
Midline glia do not completely ensheath the axon commissures, and there is an absence of membrane projections into the commissures in stage 15 embryos expressing hh[Scer\UAS.cAa] under the control of Scer\GAL4[sim.P3.7].
Expression of hh[Scer\UAS.cAa] under the control of Scer\GAL4[71B] results in merging of wing veins L2 and L3.
Females with hhScer\UAS.cAa, driven by Scer\GAL4hs.PB (and heatshocked) have an increased number of stalk cells (six-fold more than wild-type).
When hhScer\UAS.cAa is expressed in clones in the developing eye (under the control of Scer\GAL4Act5C.PP) a normal number of glial cells is seen in the eye disc and the optic stalk. However glial cells that overshoot past the axonal boundary are seen, usually in streams a few cells wide, and without regard to the position of the clone.
When expression is driven by Scer\GAL4en-e16E, only slight differences from wild type are observed in the ventral and dorsal embryonic cuticle pattern. Embryos go on to hatch and form adults that are normal except for wing venation defects and supernumerary scutellar bristles.
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Statement
Reference
hhScer\UAS.cAa/Scer\GAL4ey.PH is a non-suppressor of eye disc phenotype of ktoT241
hhScer\UAS.cAa/Scer\GAL4ey.PH is a non-suppressor of eye disc phenotype of ktoT555
hhScer\UAS.cAa/Scer\GAL4ey.PH is a non-suppressor of eye disc phenotype of ktoT631
hhScer\UAS.cAa/Scer\GAL4ey.PH is a non-suppressor of eye disc phenotype of skdT13
hhScer\UAS.cAa/Scer\GAL4ey.PH is a non-suppressor of eye disc phenotype of skdT413
hhScer\UAS.cAa/Scer\GAL4ey.PH is a non-suppressor of eye disc phenotype of skdT606
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Statement
Reference
When hhScer\UAS.cAa and eyScer\UAS.cHa are expressed in clones (under the control of Scer\GAL4Act5C.PI) in the anterior compartment of the wing disc, 46% of clones cause ectopic eye formation. When hhScer\UAS.cAa and eyScer\UAS.cHa are expressed under the control of Scer\GAL430A in the anterior compartment of the wing disc, ectopic eye formation is seen at 100% penetrance, although the size of these ectopic eyes varies from disc to disc. When ciCe-2.Scer\UAS.T:Ivir\HA1 and hhScer\UAS.cAa co-expressed (driven by Scer\GAL4bi-omb-Gal4) in the wing disc leads to overgrowth and ectopic morphogenetic furrow initiation. When dppScer\UAS.cSa, hhScer\UAS.cAa and eyScer\UAS.cHa are co-expressed in clones (driven by Scer\GAL4Act5C.PI), very strong overgrowth and distorted morphology is seen in the wing disc. Co-expression of dppScer\UAS.cSa, hhScer\UAS.cAa and eyScer\UAS.cHa driven by Scer\GAL4bi-omb-Gal4, causes a high larval lethality at 25oC.
Co-expression of wgwg.3'UTR.Scer\UAS and hhScer\UAS.cAa under the control of Scer\GAL4dpp.blk1 does not rescue morphogenetic furrow progression from the posterior edge of the eye disc, but usually results in one (or occasionally more) ectopic morphogenetic furrows initiating in the interior of the eye primordium and progressing concentrically.
eyg1/Df(3L)iro-2 hemizygous eye discs completely lack photoreceptors. Photoreceptor development in these discs is not rescued by hhScer\UAS.cAa expressed under the control of Scer\GAL4dpp.PH. The lack of photoreceptor phenotype of eya1 eye discs is not rescued by hhScer\UAS.cAa expressed under the control of Scer\GAL4ey.PH.
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Statement
Reference
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Rescues
Comments
hhScer\UAS.cAa driven with Scer\GAL4GMR.PF, rescues morphogenetic furrow progression and ommatidial over-rotation defects in hhbar3 mutants.
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Discoverer
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Carried in a plasmid and transfected into S2R+ cells.
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hide Synonyms & Secondary IDs ( 3 )
Reported As
Symbol Synonym
hhScer\UAS.cAa
 
hhUAS.cAa
 
Name Synonym
Saccharomyces cerevisiae UAS construct a of Azpiazu
Secondary FlyBase IDs
  • FBal0051517
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hide Recent research papers ( 2 )
Fan et al., 2012, Dev. Biol. 366(2): 172--184
Hh-induced Smoothened conformational switch is mediated by differential phosphorylation at its C-terminal tail in a dose- and position-dependent manner. [FBrf0218374]
Watson et al., 2011, Development 138(7): 1285--1295
Drosophila hedgehog signaling and engrailed-runt mutual repression direct midline glia to alternative ensheathing and non-ensheathing fates. [FBrf0213237]