FB2026_03 , released September 17, 2026
Allele: Dmel\B-H255
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General Information
Symbol
Dmel\B-H255
Species
D. melanogaster
Name
FlyBase ID
FBal0104359
Feature type
allele
Associated gene
Dmel\B-H2
Associated Insertion(s)
Carried in Construct
Key Links
Allele class
Mutagen
Nature of the Allele
Allele class
Mutagen
P-element activity
(Kojima et al., 2000)
Progenitor genotype
P{lArB}B-H2P058
(Kojima et al., 2000)
Caused by aberration
Df(1)Bar55
Cytology
Description

Imprecise excision of the P{lacZ} element, resulting in a deletion that removes the B-H1 and anon-X2 coding regions.

(Kojima et al., 2000)
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

      Tarsal segment 3 and more distal segments are fused together in Df(1)B55 flies (the deletion removes B-H1 in addition to affecting B-H2 expression), while tarsal segment 2 forms normally. Central fold formation in the leg disc occurs normally.

      (Kojima et al., 2000)
      External Data
      Interactions
      Show genetic interaction network for Enhancers & Suppressors
      Phenotypic Class
      Suppressed by
      Statement
      Reference

      B-H255 has visible | recessive phenotype, suppressible by Dp(1;Y)BarS

      (Kojima et al., 2000)
      Phenotype Manifest In
      Additional Comments
      Genetic Interactions
      Statement
      Reference

      The B-H255 phenotype is eliminated if the flies are carrying Dp(1;Y)BS.

      (Kojima et al., 2000)
      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
      B-H255
      Name Synonyms
      Secondary FlyBase IDs
        References (1)