FB2026_02 , released June 18, 2026
Allele: Dmel\speck31B
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General Information
Symbol
Dmel\speck31B
Species
D. melanogaster
Name
FlyBase ID
FBal0362751
Feature type
allele
Associated gene
Dmel\speck
Associated Insertion(s)
Carried in Construct
Key Links
Genomic Maps

Allele class
Mutagen
Nature of the Allele
Allele class
Mutagen
CRISPR/Cas9
(Spana et al., 2020)
Progenitor genotype
Cytology
Description

Deletion within speck; removes exon 2 from both isoforms.

(Spana et al., 2020)
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
delins
2R:24,155,114..24,156,086 [+]
Comment:

Deletion within speck; removes exon 2 from both isoforms. A 5 base insertion (TGGTA) is present at the site of the deletion.

Inserted_sequence:

TGGTA

(Spana et al., 2020)
Variant Molecular Consequences
Associated Sequence Data
DDBJ / EMBL / GenBank
DNA sequence
Protein sequence
MT708674
 
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

      speck31B adults exhibit darker body color, darker pigment to the thorax, and ectopic pigmentation in the wing hinge, the leg joints, at the region between the scutellum and the mesothoracic preepisternum.

      (Spana et al., 2020)
      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 ( 1 )
      Crossreferences
      GenBank Nucleotide - A collection of sequences from several sources, including GenBank, RefSeq, TPA, and PDB.
      Synonyms and Secondary IDs (1)
      Reported As
      Symbol Synonym
      speck31B
      (Spana et al., 2020)
      Name Synonyms
      Secondary FlyBase IDs
        References (1)