FB2026_02 , released June 18, 2026
Allele: Dmel\wBg
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General Information
Symbol
Dmel\wBg
Species
D. melanogaster
Name
FlyBase ID
FBal0040132
Feature type
allele
Associated gene
Dmel\w
Associated Insertion(s)
Carried in Construct
P{Bg-hsp-w}
Key Links
Transgenic product class
Mutagen
Nature of the Allele
Transgenic product class
Mutagen
in vitro construct
(Steller and Pirrotta, 1985)
Progenitor genotype
Carried in construct
P{Bg-hsp-w}
Cytology
Description

Construct: Expression of a fragment of w from +4.8 to -4.6 is driven by a 456bp promoter fragment of Hsp70 inserted 1kb upstream of the normal transcription start site.

(Steller and Pirrotta, 1985)
Allele components
Component
Use(s)
Encoded product / tool
w
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
Variant Molecular Consequences
Associated Sequence Data
DDBJ / EMBL / GenBank
DNA sequence
Protein sequence
 
UniProtKB/Swiss-Prot
    UniProtKB/TrEMBL
      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

      Flies raised at 18oC or 25oC have the same degree of eye pigmentation.

      (Steller and Pirrotta, 1985)
      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
      Comments
      Images (0)
      Mutant
      Wild-type
      Stocks (0)
      Notes on Origin
      Discoverer
      Comments
      Comments

      The level of w expression is due to residual activity of the w promoter and not the Hsp70 promoter, a terminator sequence exists just before the normal transcription start site of w.

      (Steller and Pirrotta, 1985)
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (1)
      Reported As
      Symbol Synonym
      wBg
      Name Synonyms
      Secondary FlyBase IDs
        References (1)