FB2026_03 , released September 17, 2026
Recombinant Construct: P{twi-lacZ.1.26}
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General Information
Symbol
P{twi-lacZ.1.26}
FlyBase ID
FBtp0011926
Feature type
transgenic_transposable_element
Component Allele(s)
Ecol\lacZtwi.1.26
Size
Expression Data
lacZ reporter
Associated insertion(s)
1 available
Molecular map
Description and Uses
Construct components
Component
Use(s)
Marker(s)
w+mC
Component allele Ecol\lacZtwi.1.26
Transgenic product class
Component
Use(s)
Regulatory region(s)
twi_promoter_full
Encoded product / tool
lacZ
Description

Full-length twi promoter sequence, extending from -1.26kb relative to the twi promoter and containing both distal and proximal elements, drives expression of lacZ.

(Jiang and Levine, 1993)
Sequence Data
Sequence (FB)
Associated Sequence Data
DDBJ / EMBL / GenBank
DNA Sequence
Extent
Segments and Size
Total Size
Left end
Right end
 
Segments
Num
Orientation
Symbol
Reference
Phenotypic Data
Expression Data
Reporter Expression
distribution deduced from reporter
Stage
Tissue/Position (including subcellular localization)
Reference
embryonic stage 5
organism | ventral
(Jiang and Levine, 1993)
Additional Information
Statement
Reference

Strong expression of EcollacZ in theventral-most 20 cells of the embryo.

(Jiang and Levine, 1993)
 
Marker for
Reflects expression of
twi
(Jiang and Levine, 1993)
Reporter construct used in assay
Progenitors and Descendants
progenitor(s)
descendant(s)
Comments

construct_comment: One of a series of constructs characterizing 5\' regulatory regions of twi, in particular the dl binding sites. Additional related constructs listed under P{twi-lacZ.PEe}.

(Jiang and Levine, 1993)
Stocks (0)
Stocks containing insertion(s) of this recombinant construct
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (2)
Reported As
Symbol Synonym
P{twi-lacZ.1.26}
(FlyBase, 1996-)
P{twi-lacZ.P}
(FlyBase, 1996-)
Secondary FlyBase IDs
  • FBms0003788
References (4)