FB2026_02 , released June 18, 2026
Allele: Ecol\lacZtwi.PU
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General Information
Symbol
Ecol\lacZtwi.PU
Species
E. coli
Name
twist promoter construct of Unknown
FlyBase ID
FBal0361094
Feature type
allele
Associated gene
Ecol\lacZ
Associated Insertion(s)
Carried in Construct
P{twi-lacZ.U}
Also Known As
twi-lacZ
Transgenic product class
Mutagen
Nature of the Allele
Transgenic product class
Mutagen
in vitro construct
(FlyBase Curators, 2025-)
Progenitor genotype
Carried in construct
P{twi-lacZ.U}
Cytology
Description

twi regulatory sequences drive expression of a lacZ reporter.

(FlyBase Curators, 2025-)

FlyBase curator comment: this entry represents a transgenic construct where the particular construct used cannot be determined.

(FlyBase Curators, 2025-)
Allele components
Component
Use(s)
Regulatory region(s)
twi
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
      prepupal stage P4 -- pupal stage P6
      myotube
      (Zappia et al., 2019)
      Additional Information
      Statement
      Reference

      twi reporter is expressed continuously in myoblasts until they fuse to form myotubes.

      (Zappia et al., 2019)
       
      Marker for
      myotube
      (Zappia et al., 2019)
      Reflects expression of
      twi
      (Zappia et al., 2019)
      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\lacZtwi.PU
      Name Synonyms
      twist promoter construct of Unknown
      Secondary FlyBase IDs
        References (3)