FB2026_02 , released June 18, 2026
Allele: Dmel\ey4
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General Information
Symbol
Dmel\ey4
Species
D. melanogaster
Name
FlyBase ID
FBal0003922
Feature type
allele
Associated gene
Dmel\ey
Associated Insertion(s)
Carried in Construct
Key Links
Allele class
Mutagen
Nature of the Allele
Allele class
Mutagen
spontaneous
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

      Displays locomotor activity rhythm with an approximately 24h period.

      (Vosshall and Young, 1995)

      Expression and fertility of both males and females highly susceptible to modification of genetic background.

      (Spofford, 1956)

      Optic disk of mature larvae about 20% size of wild-type disk.

      (Chen, 1929)

      Eye size relative to that of wild type: .50 +/- Eye size and variability intermediate between ey1 and ey2. RK2.

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

      ey4, ldeyr has visible phenotype

      Phenotype Manifest In
      NOT suppressed by
      Statement
      Reference

      ey4 has phenotype, non-suppressible by su(Hw)2

      (Lindsley and Grell, 1968)
      Other
      Statement
      Reference

      ey4, ldeyr has ommatidium phenotype

      ey4, ldeyr has adult head phenotype

      Additional Comments
      Genetic Interactions
      Statement
      Reference
      Xenogenetic Interactions
      Statement
      Reference
      Complementation and Rescue Data
      Comments
      Images (0)
      Mutant
      Wild-type
      Stocks (2)
      Notes on Origin
      Discoverer

      Li, 10th June 1925.

      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (1)
      Reported As
      Symbol Synonym
      ey4
      (Jean-Guillaume et al., 2025, Yoshioka et al., 2007)
      Name Synonyms
      Secondary FlyBase IDs
        References (7)