A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\Gr64fScer\UAS.cJa

General Information
SymbolDmel\Gr64fScer\UAS.cJaSpeciesD. melanogaster
NameSaccharomyces cerevisiae UAS construct a of JiaoFlyBase IDFBal0258334
Feature typealleleAssociated geneDmel\Gr64f
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
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Associated Sequence Data
DDBJ /
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GenBank
DNA sequence
Protein sequence
Name
 
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Progenitor genotype
Nature of the lesion
Statement
Reference
Scer\UAS regulatory sequences drive expression of Gr64f.
Carried in construct
Cytology
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Statement
Reference
Expression of Gr64f[Scer\UAS.cJa] in Df(3L)ΔGr64 mutants under the control of Scer\GAL4[Gr5a.1] fully restores trehalose sensation in a behavioural assay. Similarly to wild-type flies, Df(3L)ΔGr64 mutant flies expressing Gr64f[Scer\UAS.cJa] under the control of Scer\GAL4[Gr5a.1]display high frequencies of action potentials in response to trehalose.
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Statement
Reference
In contrast to wild-type flies, Df(3L)ΔGr64 mutant flies expressing Gr64f[Scer\UAS.cJa] under the control of Scer\GAL4[Gr5a.1] do not show a behavioural preference for sucrose over fructose. In contrast to wild-type flies, the mutant flies display only a minimal increase in action potentials in response to sucrose. Df(3L)ΔGr64 mutants expressing both Gr64f[Scer\UAS.cJa] and Gr64a[Scer\UAS.cJa] under the control of Scer\GAL4[Gr5a.1] show a behavioural preference for sucrose over fructose that is very similar to that of wild-type flies. The wild-type frequency of action potentials in response to sucrose is also restored in these animals. In contrast to wild-type flies, Df(3L)ΔGr64 mutant flies expressing Gr64f[Scer\UAS.cJa] under the control of Scer\GAL4[Gr5a.1] display only a minimal increase in action potentials in response to maltose and they do not show a behavioural preference for maltose over fructose. Df(3L)ΔGr64 mutants expressing both Gr64f[Scer\UAS.cJa] and Gr64a[Scer\UAS.cJa] under the control of Scer\GAL4[Gr5a.1] show a behavioural preference for maltose over fructose that is very similar to that of wild-type flies. The wild-type frequency of action potentials in response to maltose is also restored in these animals. Expression of Gr64f[Scer\UAS.cJa] under the control of Scer\GAL4[Gr5a.1] partially restores the preference for glucose over fructose and action potentials in response to glucose in Df(3L)ΔGr64 mutants. Co-expression of Gr64a[Scer\UAS.cJa] and Gr64f[Scer\UAS.cJa] under the control of Scer\GAL4[Gr5a.1] restores normal preference for glucose over fructose and wild-type frequencies of glucose dependent actin potentials.
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Reported As
Symbol Synonym
Gr64fScer\UAS.cJa
 
Name Synonym
Saccharomyces cerevisiae UAS construct a of Jiao
 
Secondary FlyBase IDs
hide References ( 1 )
Research paper
Jiao et al., 2008, Curr. Biol. 18(22): 1797--1801
Gr64f is required in combination with other gustatory receptors for sugar detection in Drosophila. [FBrf0206328]