FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\Bsb1
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General Information
Symbol
Dmel\Bsb1
Species
D. melanogaster
Name
FlyBase ID
FBal0001318
Feature type
allele
Associated gene
Bsb
Associated Insertion(s)
Carried in Construct
Key Links
Allele class
Mutagen
Nature of the Allele
Allele class
Mutagen
ethyl methanesulfonate
(Baker, 1980)
Progenitor genotype
Cytology

Polytene chromosomes normal.

(Baker, 1980)

Salivary-gland chromosomes normal.

Description
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

      Bristles markedly shortened; bristles are sharply tapered at the tip. Heterozygotes are fully viable and fertile.

      (Baker, 1980)

      Heterozygotes with Bsb+ are viable and fertile. Bristles markedly shortened; sharply tapered at tip resembling sharpened pencil under compound microscope. Excellent cell marker.

      External Data
      Interactions
      Show genetic interaction network for Enhancers & Suppressors
      Phenotypic Class
      Other
      Statement
      Reference

      Bsb1, Priunspecified has visible | dominant phenotype

      (Baker, 1980)
      Phenotype Manifest In
      Other
      Statement
      Reference

      Bsb1, Priunspecified has macrochaeta phenotype

      (Baker, 1980)
      Additional Comments
      Genetic Interactions
      Statement
      Reference

      Heterozygotes with Prunspecified exhibit bristles reduced to very short stubs.

      (Baker, 1980)
      Xenogenetic Interactions
      Statement
      Reference
      Complementation and Rescue Data
      Comments
      Images (1)
      Stocks (5)
      Notes on Origin
      Discoverer
      Comments
      Comments

      Bristles reduced to very short stubs in Prunspecified Bsb1 heterozygotes.

      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (1)
      Reported As
      Symbol Synonym
      Bsb1
      Name Synonyms
      Secondary FlyBase IDs
        References (2)