A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\Oamb286

General Information
SymbolDmel\Oamb286SpeciesD. melanogaster
NameFlyBase IDFBal0152344
Feature typealleleAssociated geneDmel\Oamb
Also Known Asoamb286
Allele classamorphic allele - molecular evidence
MutagenDelta2-3
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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
The K3 and AS isoforms of Oamb are disrupted in this mutant.
Imprecise excision of the P{lArB} element, with one breakpoint in the element and the other downstream of the original insertion site.
Caused by insertion
Caused by aberration
Cytology
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Statement
Reference
Oamb[286] mutants exhibit an increase in sleep, which manifests as longer sleep bouts at night and a greater number of sleep bouts during the day. Feeding 10 mg/ml octopamine to Oamb[286] flies does not produce the decrease in nighttime sleep seen in wild-type controls. Ilp2 neurons in these flies appear to be virtually unresponsive to octopamine, although the Slowpoke current is unaffected.
Homozygous adults have normal gross external morphology.
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Rescued by
Comments
Expression of Oamb[Scer\UAS.K3] in Scer\GAL4[Ilp2.PR] neurons results in a significant reduction in sleep in a Oamb[286] background, thus effectively rescuing the phenotype. A decrease in nighttime sleep in response to 10 mg/ml octopamine is also rescued in these flies.
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Reported As
Symbol Synonym
Oamb286
 
Name Synonym
Secondary FlyBase IDs
hide References ( 3 )
Research paper
Crocker et al., 2010, Neuron 65(5): 670--681
Identification of a Neural Circuit that Underlies the Effects of Octopamine on Sleep:Wake Behavior. [FBrf0210214]
Lee et al., 2009, PLoS ONE 4(3): e4716
The octopamine receptor OAMB mediates ovulation via Ca2+/calmodulin-dependent protein kinase II in the Drosophila oviduct epithelium. [FBrf0207515]
Lee et al., 2003, Dev. Biol. 264(1): 179--190
Octopamine receptor OAMB is required for ovulation in Drosophila melanogaster. [FBrf0173197]