FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\bbnnull
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General Information
Symbol
Dmel\bbnnull
Species
D. melanogaster
Name
FlyBase ID
FBal0409402
Feature type
allele
Associated gene
Dmel\bbn
Associated Insertion(s)
Carried in Construct
Also Known As
sakuranull
Key Links
Allele class

amorphic allele - molecular evidence

Mutagen
Nature of the Allele
Allele class

amorphic allele - molecular evidence

(Azlan et al., 2025)
Mutagen
CRISPR/Cas9
(Azlan et al., 2025)
Progenitor genotype
Cytology
Description

33nt deletion and 1nt insertion in endogenous bbn causes a frameshift and premature stop codon.

(Azlan et al., 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
      Interactions
      Show genetic interaction network for Enhancers & Suppressors
      Phenotypic Class
      NOT Enhanced by
      NOT suppressed by
      Statement
      Reference

      bbnnull has abnormal cell number | recessive | oogenesis phenotype, non-suppressible by Scer\GAL4VP16.nanos.UTR/MadUASp.GFP

      (Azlan et al., 2025)
      Phenotype Manifest In
      NOT Enhanced by
      Statement
      Reference

      bbnnull has ovariole phenotype, non-enhanceable by Scer\GAL4VP16.nanos.UTR/MadUASp.GFP

      (Azlan et al., 2025)
      NOT suppressed by
      Statement
      Reference

      bbnnull has ovariole phenotype, non-suppressible by Scer\GAL4VP16.nanos.UTR/MadUASp.GFP

      (Azlan et al., 2025)
      Additional Comments
      Genetic Interactions
      Statement
      Reference
      Xenogenetic Interactions
      Statement
      Reference
      Complementation and Rescue Data
      Rescued by

      bbnnull is rescued by bbnEGFP

      (Azlan et al., 2025)
      Comments
      Images (0)
      Mutant
      Wild-type
      Stocks (0)
      Notes on Origin
      Discoverer
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (2)
      Reported As
      Symbol Synonym
      bbnnull
      sakuranull
      (Azlan and Fukunaga, 2025, Azlan et al., 2025)
      Name Synonyms
      Secondary FlyBase IDs
        References (2)