A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\cswY279C.Scer\UAS.P\T

General Information
SymbolDmel\cswY279C.Scer\UAS.P\TSpeciesD. melanogaster
NameFlyBase IDFBal0241537
Feature typealleleAssociated geneDmel\csw
Allele class
Mutagenin vitro construct - regulatory fusionin vitro construct - amino acid replacement
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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 /
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GenBank
DNA sequence
Protein sequence
Name
 
UniProtKB/Swiss-Prot
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Progenitor genotype
Nature of the lesion
Statement
Reference
Scer\UAS regulatory and P\T promoter sequences drive expression of csw containing the amino acid replacement Y258C (this mutation is equivalent to the Y279C mutation in the human ortholog Hsap\PTPN11, which is a mutation associated with LEOPARD syndrome in humans).
Carried in construct
Cytology
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Statement
Reference
Expression of csw[Y279C.Scer\UAS] under the control of Scer\GAL4[tub] does not affect viability or fertility. While expression does not appear to affect early development, all Scer\GAL4[tub]-csw[Y279C.Scer\UAS] adult flies display ectopic wing veins, mainly in the peripheral area of L2 and the posterior cross vein. Additionally, there are numerous small ectopic vein structures widely spread over the entire csw[Y279C.Scer\UAS]-expressing area on the wing. Flies expressing csw[Y279C.Scer\UAS] under the control of Scer\GAL4[tub] exhibit a rough eye phenotype. although the size of the eye is not obviously affected, the arrangement of the ommatidia is altered. The ommatidia are not symmetrically organised, with microscopy sections revealing the presence of multiple R7 photoreceptors in 24.5% of ommatidia. These eyes also display abnormalities of ommatidial rotation (20% of ommatidia). Flies expressing both csw[Y279C.Scer\UAS] and csw[R465M.Scer\UAS] under the control of Scer\GAL4[tub] results in strong suppression of ectopic wing vein formation. The number of R7 photoreceptors is normal, along with ommatidial rotation.
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Statement
Reference
The presence of a sty[226] background significantly enhances ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. A sty[226] background enhances the csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) rough eye phenotype, with the number of R7 in each ommatidium increasing. The presence of a Egfr[t1] background significantly suppresses ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. A Egfr[t1] background suppresses the csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) rough eye phenotype, normalizing the numbers of R7 and ommatidial rotation. The presence of a drk[e0A] background does not affect ectopic wing vein formation in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. The presence of a spi[1] background causes minor suppression of ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. The presence of a vn[C221] background causes minor suppression of ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. The presence of a argos[Δ7] background significantly enhances ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. The presence of a S[IIN] background significantly suppresses ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. A S[IIN] background suppresses the csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) rough eye phenotype, normalizing the numbers of R7 and ommatidial rotation. The presence of a Sos[34Ea-6] background significantly suppresses ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. The presence of a Ras85D[e1B] background significantly suppresses ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. A Ras85D[e1B] background suppresses the csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) rough eye phenotype, normalizing the numbers of R7 and ommatidial rotation. The presence of a Gap1[B2] background significantly enhances ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants. The presence of a rl[10a] background significantly suppresses ectopic wing vein formation found in csw[Y279C.Scer\UAS] (Scer\GAL4[tub]) mutants.
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Reported As
Symbol Synonym
cswY279C.Scer\UAS.P\T
 
cswY279C.Scer\UAS
 
Name Synonym
Secondary FlyBase IDs
hide References ( 1 )
Research paper
Oishi et al., 2009, Hum. Mol. Genet. 18(1): 193--201
Phosphatase-defective LEOPARD syndrome mutations in PTPN11 gene have gain-of-function effects during Drosophila development. [FBrf0207302]