FB2026_03 , released September 17, 2026
Allele: Ecol\lacZbtl.B23
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General Information
Symbol
Ecol\lacZbtl.B23
Species
E. coli
Name
FlyBase ID
FBal0082598
Feature type
allele
Associated gene
Ecol\lacZ
Associated Insertion(s)
Carried in Construct
P{btl-lacZ.B23}
Transgenic product class
Mutagen
Nature of the Allele
Transgenic product class
Mutagen
in vitro construct
(Ohshiro and Saigo, 1997)
Progenitor genotype
Carried in construct
P{btl-lacZ.B23}
Cytology
Description

btl upstream sequences from -0.65kb to -0.44kb, and from -0.06kb to 0.07kb (0 is the start of the btl P2 transcription unit) are fused upstream of sequence encoding a lacZ reporter.

(Ohshiro and Saigo, 1997)
Allele components
Component
Use(s)
Regulatory region(s)
btl_P[B23]
Encoded product / tool
lacZ
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
      distribution deduced from reporter
      Stage
      Tissue/Position (including subcellular localization)
      Reference
      embryonic stage 11
      midline primordium
      (Ohshiro and Saigo, 1997)
      embryonic stage 13 -- 14
      presumptive embryonic/larval tracheal system
      (Ohshiro and Saigo, 1997)
      Additional Information
      Statement
      Reference
       
      Marker for
      Reflects expression of
      btl
      (Ohshiro and Saigo, 1997)
      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
      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 (2)
      Reported As
      Symbol Synonym
      Ecol\lacZbtl.B23
      lacZbtl.B23
      Name Synonyms
      Secondary FlyBase IDs
        References (2)