FB2026_02 , released June 18, 2026
Allele: Dmel\Dfdunspecified
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General Information
Symbol
Dmel\Dfdunspecified
Species
D. melanogaster
Name
FlyBase ID
FBal0089746
Feature type
allele
Associated gene
Dmel\Dfd
Associated Insertion(s)
Carried in Construct
Key Links
Allele class
Mutagen
    Nature of the Allele
    Allele class
    Mutagen
    Progenitor genotype
    Cytology
    Description

    FlyBase curator comment: this entry is used to capture phenotypic information when the particular allele (or allele combination) used by the author could not be determined but the context of the experiment suggests that the phenotype being described is some kind of loss of function.

    (FlyBase Curators, 2025-)
    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

        The longitudinal connectives that normally run through the mandibular neuromere are missing or reduced in homozygous embryos. The mandibular commissure is completely absent. The tritocerebral commissure is present and the frontal connectives project normally.

        (Hirth et al., 1998)
        External Data
        Interactions
        Show genetic interaction network for Enhancers & Suppressors
        Phenotypic Class
        Other
        Statement
        Reference

        Dfdunspecified, M(3)801 has lethal | pharate adult stage | heat sensitive phenotype

        (Sinclair et al., 1984)

        Dfdunspecified, su(f)8 has visible | dominant | heat sensitive phenotype

        (Sinclair et al., 1984)

        Dfd[+]/Dfdunspecified, su(f)8 has visible | heat sensitive phenotype

        (Sinclair et al., 1984)
        Phenotype Manifest In
        Additional Comments
        Genetic Interactions
        Statement
        Reference

        M(3)801 shows complete lethality at the restrictive temperature when combined with Dfdunspecified; death occurs at the pharate adult stage and is probably due to lack of eye-antennal disc derivatives. su(f)8/Y ; Dfdunspecified/+ flies are normal at 22oC. At 28oC they have extremely reduced eyes and their maxillary palps are frequently duplicated with mirror image symmetry.

        (Sinclair et al., 1984)
        Xenogenetic Interactions
        Statement
        Reference
        Complementation and Rescue Data
        Comments
        Images (0)
        Mutant
        Wild-type
        Stocks (0)
        Notes on Origin
        Discoverer
        External Crossreferences and Linkouts ( 0 )
        Synonyms and Secondary IDs (1)
        Reported As
        Symbol Synonym
        Dfdunspecified
        Name Synonyms
        Secondary FlyBase IDs
          References (5)