FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\stt2
Open Close
General Information
Symbol
Dmel\stt2
Species
D. melanogaster
Name
FlyBase ID
FBal0016227
Feature type
allele
Associated gene
stt
Associated Insertion(s)
Carried in Construct
Key Links
Allele class
Mutagen
Nature of the Allele
Allele class
Mutagen
2-chloroethyl methanesulfonate
(Fahmy and Fahmy, 1959)
Progenitor genotype
Cytology
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

      Flies are small and frail, with the wings frequently pleated or the membranes not fully stretched. The abdomen is abnormally pigmented, with dispersed darker spots, particularly on the 4th tergum. Tergites are occasionally ridged or broken. Macrochaetae are long and straggly. Males are sterile with approximately 30% wild-type viability.

      (Fahmy and Fahmy, 1959)

      Fly small; wings wrinkled or pleated. Darkly pigmented spots dispersed over abdomen, particularly on fourth tergite. Tergites occasionally ridged or broken. Bristles long and straggly. Male sterile; viability about 30% normal. RK2.

      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

      Allelism inferred from similarity in phenotype and genetic location at 34.1.

      Images (0)
      Mutant
      Wild-type
      Stocks (0)
      Notes on Origin
      Discoverer

      Fahmy, 1956.

      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (3)
      Reported As
      Symbol Synonym
      spt
      (Fahmy and Fahmy, 1959)
      stt2
      Name Synonyms
      spotty-tergum
      (Fahmy and Fahmy, 1959)
      Secondary FlyBase IDs
        References (1)