FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\jarGCN4.Hsp83.GFP
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General Information
Symbol
Dmel\jarGCN4.Hsp83.GFP
Species
D. melanogaster
Name
FlyBase ID
FBal0264034
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Key Links
Transgenic product class
Nature of the Allele
Transgenic product class
Progenitor genotype
Carried in construct
Cytology
Description

A Hsp83 promoter drives expression of full length jar into which the leucine zipper dimerization sequence from the Saccharomyces cerevisiae GCN4 gene has been inserted, at the end of the coiled-coil domain (between amino acids 1018 and 1019). This is designed to force protein dimer formation. The protein is also tagged with GFP.

Allele components
Component
Use(s)
Regulatory region(s)
Encoded product / tool
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
External Data
Interactions
Show genetic interaction network for Enhancers & Suppressors
Phenotypic Class
Phenotype Manifest In
Additional Comments
Genetic Interactions
Statement
Reference
Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Partially rescues
Comments

Expression of jarHsp83.T:Avic\GFP,T:Scer\GCN4 partially rescues the actin cone morphology and movement defects seen in jar1/Df(3R)crb87-5.

Expression of jarHsp83.T:Avic\GFP,T:Scer\GCN4 partially rescues the sperm individualisation defects seen in jar1/Df(3R)crb87-5. Many sperm tails fail to individualise and in those that have, many have not completed cytoplasmic exclusion.

Expression of jarHsp83.T:Avic\GFP,T:Scer\GCN4 partially rescues the fertility defects seen in jar1/Df(3R)crb87-5 mutants.

Expression of jarHsp83.T:Avic\GFP,T:Scer\GCN4 partially rescues the empty seminal vesicle phenotype seen in jar1/Df(3R)crb87-5, although many seminal vesicles containing very few sperm are still present.

Images (0)
Mutant
Wild-type
Stocks (0)
Notes on Origin
Discoverer
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (2)
Reported As
Symbol Synonym
jarGCN4.Hsp83.GFP
jarHsp83.T:Avic\GFP,T:Scer\GCN4
Name Synonyms
Secondary FlyBase IDs
    References (1)