FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\or49h
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General Information
Symbol
Dmel\or49h
Species
D. melanogaster
Name
FlyBase ID
FBal0013281
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Key Links
Allele class
Mutagen
Nature of the Allele
Allele class
Progenitor genotype
Cytology
Description
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
Variant Molecular Consequences
Associated Sequence Data
DNA sequence
Protein sequence
 
Expression Data
Reporter Expression
Additional Information
Statement
Reference
 
Marker for
Reflects expression of
Reporter construct used in assay
Human Disease Associations
Disease Ontology (DO) Annotations
Models Based on Experimental Evidence ( 0 )
Disease
Evidence
References
Modifiers Based on Experimental Evidence ( 0 )
Disease
Interaction
References
Comments on Models/Modifiers Based on Experimental Evidence ( 0 )
 
Disease-implicated variant(s)
 
Phenotypic Data
Phenotypic Class
Phenotype Manifest In
Detailed Description
Statement
Reference

Mutant flies have reduced red pigment in the eye compared to controls.

Flies with eyes carrying or49h clones show a reduction in pigment.

Examination of mutant eyes reveal a dramatic decrease in the number of electron dense pigment granules seen surrounding groups of photoreceptor cells. Examination of retinula cells from rb1 mutants reveals normal neuronal anatomy, including normal cytoplasmic synaptic vesicles (SVs). In an assay for larval motility, or49h mutants performed slightly less well than wild-type larvae. In locomotor assays testing olfactory response to propionic acid, or49h mutants perform significantly less well than wild-type larvae.

Eye colour: bright orange; like or1. RK1.

External Data
Interactions
Show genetic interaction network for Enhancers & Suppressors
Phenotypic Class
Enhanced by
NOT Enhanced by
Enhancer of
Statement
Reference

or49h is an enhancer of visible phenotype of pp

or49h is an enhancer of abnormal eye color phenotype of pp

or49h/or[+] is an enhancer of visible phenotype of Scer\GAL4GMR.PF, bchsEP2299

Phenotype Manifest In
NOT Enhanced by
Statement
Reference
Enhancer of
Statement
Reference

or49h is an enhancer of pigment cell phenotype of pp

or49h/or[+] is an enhancer of eye phenotype of Scer\GAL4GMR.PF, bchsEP2299

NOT Enhancer of
Statement
Reference
Additional Comments
Genetic Interactions
Statement
Reference

Expression of auxScer\UAS.cHa under the control of Scer\GAL4GMR.PF enhances the loss of red eye pigment that is seen in or49h flies.

Expression of one of P{EPgy2}EY16920, CG9139EP681a, PBac{WH}CG5342f05247, P{EPgy2}EY00704, P{EPgy2}CG5903EY11938 or CG17184EY11874 under the control of Scer\GAL4GMR.PF has no effect on the reduced red eye pigment phenotype of or49h flies.

The loss of red eye pigment that is seen in or49h flies is enhanced by expression of one of auxFL.Scer\UAS.T:Disc\RFP-mRFP, auxCJ.Scer\UAS.T:Disc\RFP-mRFP or auxCJ.DPF.Scer\UAS.T:Disc\RFP-mRFP under the control of Scer\GAL4GMR.PF.

Expression of auxΔC.Scer\UAS.T:Disc\RFP-mRFP or auxCJ.DLL.DPF.Scer\UAS.T:Disc\RFP-mRFP under the control of Scer\GAL4GMR.PF does not enhance the loss of red eye pigment that is seen in or49h flies.

Eye colour: or49h; pp eyes have significantly reduced levels of red pigment compared to either single mutant. The brown pigment levels are comparable to those seen in pp single mutants.

Eyes that carry Vps28k16503, or49h double mutant clones show the same two phenotypes as Vps28k16503 and or49h single mutant clones.

Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Comments
Images (2)
Stocks (12)
Notes on Origin
Discoverer

Ives, 31st Aug. 1949.

External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (5)
References (12)