A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\Aats-tyrE196K.Scer\UAS

General Information
SymbolDmel\Aats-tyrE196K.Scer\UASSpeciesD. melanogaster
NameFlyBase IDFBal0230483
Feature typealleleAssociated geneDmel\Aats-tyr
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 /
EMBL /
GenBank
DNA sequence
Protein sequence
Name
 
UniProtKB/Swiss-Prot
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Progenitor genotype
Nature of the lesion
Statement
Reference
Scer\UAS regulatory sequences drive expression of a mutant form of Aats-tyr.
Amino acid replacement: E196K.
Carried in construct
Cytology
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Statement
Reference
Neuronal expression of Aats-tyr[E196K.Scer\UAS] usint Scer\GAL4[n-syb.PS] induces a significant climbing deficit compared with controls. Ubiquitous expression of Aats-tyr[E196K.Scer\UAS] under the control of Scer\GAL4[Act5C.PI] induces significant lethality.
Flies expressing one copy of Aats-tyr[E196K.Scer\UAS] under the control of Scer\GAL4[Act5C] show a severely impaired performance in a negative geotaxis climbing assay compared to controls. Aged flies expressing Aats-tyr[E196K.Scer\UAS] under the control of Scer\GAL4[Act5C] show impairment in both jump and flight ability (92% of aged flies fail to fly and 30% fail to jump). This impairment is progressive, becoming more severe as the flies age. Flies expressing Aats-tyr[E196K.Scer\UAS] under the control of Scer\GAL4[n-syb.PS] show an impaired performance in a negative geotaxis climbing assay compared to controls. Flies expressing two copies of Aats-tyr[E196K.Scer\UAS] under the control of Scer\GAL4[A307] show electrophysiological defects in the giant fiber system. Some flies have normal response latencies but defects in following high frequency stimulation, whereas some flies are more severely affected and have an increased response latency. The severity and frequency of the mutant phenotype increases with age.
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Statement
Reference
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Rescues
Comments
The bristle defects caused by expression of Aats-tyr[NIG.4561R] under the control of Scer\GAL4[sca.PU] are completely rescued by co-expression of Aats-tyr[E196K.Scer\UAS].
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Reported As
Symbol Synonym
Aats-tyrE196K.Scer\UAS
 
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Secondary FlyBase IDs
hide References ( 2 )
Research paper
Leitao-Goncalves et al., 2012, Amino Acids 42(5): 1661--1668
Drosophila as a platform to predict the pathogenicity of novel aminoacyl-tRNA synthetase mutations in CMT. [FBrf0218080]
Storkebaum et al., 2009, Proc. Natl. Acad. Sci. U.S.A. 106(28): 11782--11787
Dominant mutations in the tyrosyl-tRNA synthetase gene recapitulate in Drosophila features of human Charcot–Marie–Tooth neuropathy. [FBrf0208295]