A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\TrpA1ins.3'

General Information
SymbolDmel\TrpA1ins.3'SpeciesD. melanogaster
NameFlyBase IDFBal0220311
Feature typealleleAssociated geneDmel\TrpA1
Allele class
Mutagenrecombinationends-in gene targeting
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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
A targeted recombination event at the TrpA1 locus which has generated a tandem array of two mutated copies of TrpA1 (represented by TrpA1[ins.5'] and TrpA1[ins.3']). One copy is deleted for the sixth transmembrane domain and carboxy terminus, whereas the other copy is deleted for the promoter region and start codon and contains a translational stop before the transmembrane domains).
Caused by aberration
Cytology
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Statement
Reference
TrpA1[ins.5'], TrpA1[ins.3'] flies display a reduced aversion to aristolochic acid compared to wild type. In contrast to wild type, TrpA1[ins.5'], TrpA1[ins.3'] flies have virtually no aristolochic acid-induced action potentials in tip recordings of sensillum s6.
Dp(3;3)TrpA1[ins] flies (which carry TrpA1[ins.5'] and TrpA1[ins.3']) show an altered distribution along a thermal gradient compared to wild-type flies. The mutant flies show increased accumulation in the warmest regions (28-32[o]C) of the gradient, but not in the coolest region (18-22[o]C). Df(3L)ED4415/Dp(3;3)TrpA1[ins] flies show an altered distribution along a thermal gradient compared to wild-type flies. The mutant flies show increased accumulation in the warmest regions (28-32[o]C) of the gradient, but not in the coolest region (18-22[o]C). Anterior cell (AC) neurons in the brains of Dp(3;3)TrpA1[ins] flies do not show warmth-responsive increases in intracellular calcium, in contrast to control AC neurons.
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Generated by 'ends-in' targeting of the TrpA1 locus.
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hide Synonyms & Secondary IDs ( 2 )
Reported As
Symbol Synonym
TrpA1ins.3'
 
Name Synonym
Secondary FlyBase IDs
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Research paper
Kim et al., 2010, Proc. Natl. Acad. Sci. U.S.A. 107(18): 8440--8445
Drosophila TRPA1 channel mediates chemical avoidance in gustatory receptor neurons. [FBrf0210738]
Hamada et al., 2008, Nature 454(7201): 217--220
An internal thermal sensor controlling temperature preference in Drosophila. [FBrf0205189]