FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\btd1
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General Information
Symbol
Dmel\btd1
Species
D. melanogaster
Name
FlyBase ID
FBal0001330
Feature type
allele
Associated gene
Dmel\btd
Associated Insertion(s)
Carried in Construct
Also Known As
btdIIIA
Key Links
Allele class

hypomorphic allele - genetic evidence

Mutagen
Nature of the Allele
Allele class

hypomorphic allele - genetic evidence

(Vincent et al., 1997)
Mutagen
ethyl methanesulfonate
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

      The mandibular lobe is missing in mutant embryos.

      (Rusch and Kaufman, 2000)

      Cephalic furrow formation occurs normally in homozygous embryos.

      (Vincent et al., 1997)

      No effect on prd expression in embryo.

      (Gutjahr et al., 1993)

      Does not interact with RpII140wimp maternal effect.

      (Parkhurst and Ish-Horowicz, 1991)

      Embryos do not complete head involution.

      (Tearle and Nusslein-Volhard, 1987)

      Head involution incomplete.

      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 (2)
      Notes on Origin
      Discoverer
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (5)
      References (14)