FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Ecol\lacZsna.RP.Δt1Δt2
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General Information
Symbol
Ecol\lacZsna.RP.Δt1Δt2
Species
E. coli
Name
FlyBase ID
FBal0041975
Feature type
allele
Associated gene
Ecol\lacZ
Associated Insertion(s)
Carried in Construct
P{Δt1Δt2}
Transgenic product class
Mutagen
Nature of the Allele
Transgenic product class
Mutagen
in vitro construct
(Ip et al., 1992)
Progenitor genotype
Ecol\lacZsna.RP
(Ip et al., 1992)
Carried in construct
P{Δt1Δt2}
Cytology
Description

twi binding sites 1 and 2 have been deleted from the augmentation element (AE) of the sna promoter.

(Ip et al., 1992)
Allele components
Component
Use(s)
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 cycle 14
      organism | ventral
      (Ip et al., 1992)
      Additional Information
      Statement
      Reference

      A combination of -1.6 to -1.0 of thesna promoter ("VA element") plus the region from -0.25 to -0.10 kb ("augmentation element" AE)from which twi binding sites 1 and 2 are deleted drives EcollacZ expression in a sporadic patternin the ventralmost region of the nuclear cycle 14 embryo.

      (Ip et al., 1992)
       
      Marker for
      Reflects expression of
      sna
      (Ip et al., 1992)
      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\lacZsna.RP.Δt1Δt2
      lacZsna.RP.Δt1Δt2
      Name Synonyms
      Secondary FlyBase IDs
        References (1)