FB2026_02 , released June 18, 2026
Allele: Dmel\l(1)19Fb4
Open Close
General Information
Symbol
Dmel\l(1)19Fb4
Species
D. melanogaster
Name
FlyBase ID
FBal0006319
Feature type
allele
Associated gene
l(1)19Fb
Associated Insertion(s)
Carried in Construct
Key Links
Allele class
Mutagen
Nature of the Allele
Allele class
Mutagen
ethyl methanesulfonate
(Perrimon et al., 1989)
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

      Homozygous germline clones display maternal effect lethality. Embryos derived from heterozygous mothers show no defects in either the CNS or PNS.

      (Perrimon et al., 1989)

      Oogenesis is abnormal.

      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

      Lefevre.

      Comments
      Comments

      Maternal germline clonal analysis demonstrates abnormal oogenesis, egg filaments abnormally located.

      (Perrimon et al., 1989)
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (4)
      Reported As
      Symbol Synonym
      B-214DA689
      (Perrimon et al., 1989)
      DA689
      (Perrimon et al., 1989)
      l(1)19Fb4
      l(1)DA689
      Name Synonyms
      Secondary FlyBase IDs
        References (2)