FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\fafB8
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General Information
Symbol
Dmel\fafB8
Species
D. melanogaster
Name
FlyBase ID
FBal0031244
Feature type
allele
Associated gene
Dmel\faf
Associated Insertion(s)
Carried in Construct
Key Links
Genomic Maps

Allele class

amorphic allele - genetic evidence

Mutagen
Nature of the Allele
Allele class

amorphic allele - genetic evidence

(Fischer-Vize et al., 1992)
Mutagen
ethyl methanesulfonate
(Fischer-Vize et al., 1992)
Progenitor genotype
Cytology
Description

Nucleotide substitution: G?A. Amino acid replacement: E1850K.

(Chen and Fischer, 2000)
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
point_mutation
3R:31,785,019..31,785,019 [+]
Nucleotide change:

G31785019A

Reported nucleotide change:

G?A

Amino acid change:

E1850K | faf-PA; E1850K | faf-PC; E1850K | faf-PD; E1850K | faf-PE; E1850K | faf-PG; E1850K | faf-PH; E1850K | faf-PI

Reported amino acid change:

E1850K

(Chen and Fischer, 2000)
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

      Eyes roughened due to abnormalities in the hexagonal facet array: most facets include 1-3 extra outer photoreceptor cells which are probably mystery cells. Ovaries of homozygous females are normal in appearance but the embryos produced never form syncytial blastoderm and all fail to hatch.

      (Fischer-Vize et al., 1992)
      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
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (1)
      Reported As
      Symbol Synonym
      fafB8
      Name Synonyms
      Secondary FlyBase IDs
        References (2)