FB2026_03 , released September 17, 2026
Recombinant Construct: P{2.8sim/lacZ}
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General Information
Symbol
P{2.8sim/lacZ}
FlyBase ID
FBtp0004451
Feature type
transgenic_transposable_element
Component Allele(s)
Ecol\lacZsim.2.8
Size
Expression Data
lacZ reporter
Associated insertion(s)
1 available
Molecular map
Description and Uses
Construct components
Component allele Ecol\lacZsim.2.8
Transgenic product class
Component
Use(s)
Regulatory region(s)
sim_2.8sim
Encoded product / tool
lacZ
Description

2.8kb sim promoter fragment containing the early promoter drives lacZ expression.

(Kasai et al., 1992)

lacZ expression from a weak P element promoter governed by 2.8bp fragment of sim promoter, including five copies of the ACGTG motif.

(Wharton et al., 1994)
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
mesectoderm anlage
(Kasai et al., 1992)
embryonic stage 5 -- 6
mesectoderm anlage
(Kasai et al., 1998)
embryonic stage 10 -- 13
midline primordium
(Wharton et al., 1994)
Additional Information
Statement
Reference
 
Marker for
mesectoderm anlage
(Kasai et al., 1992)
Reflects expression of
sim
(Kasai et al., 1998, Wharton et al., 1994, Kasai et al., 1992)
Reporter construct used in assay
Progenitors and Descendants
progenitor(s)
descendant(s)
Comments
Stocks (0)
Stocks containing insertion(s) of this recombinant construct
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (1)
Reported As
Symbol Synonym
P{2.8sim/lacZ}
(FlyBase, 1996-)
Secondary FlyBase IDs
    References (5)