FB2026_03 , released September 17, 2026
Allele: Dmel\ef1
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General Information
Symbol
Dmel\ef1
Species
D. melanogaster
Name
FlyBase ID
FBal0003505
Feature type
allele
Associated gene
ef
Associated Insertion(s)
Carried in Construct
Key Links
Allele class
Mutagen
Nature of the Allele
Allele class
Mutagen
triethylenemelamine
(Fahmy and Fahmy, 1959)
Progenitor genotype
Caused by aberration
T(1;2)ef
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 smaller than normal with slight excess pigmentation. Wings are proportionally smaller than normal, slightly altered in shape and warped. Abdominal tergites are often broken and abnormally pigmented. Males are viable but sterile.

      (Fahmy and Fahmy, 1959)

      Small fly with slightly excess melanization. Wings proportionally smaller, slightly altered in shape and warped. Abdominal tergites often broken and abnormally pigmented. RK3A.

      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

      Fahmy, 1952.

      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (2)
      Reported As
      Symbol Synonym
      ef
      (Fahmy and Fahmy, 1959)
      ef1
      Name Synonyms
      Secondary FlyBase IDs
        References (1)