FB2026_02 , released June 18, 2026
Recombinant Construct: P{brk.498-lacZ}
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General Information
Symbol
P{brk.498-lacZ}
FlyBase ID
FBtp0022912
Feature type
transgenic_transposable_element
Component Allele(s)
Ecol\lacZbrk-498
Size
Expression Data
lacZ reporter
Associated insertion(s)
1 available
Molecular map
Description and Uses
Construct components
Component allele Ecol\lacZbrk-498
Transgenic product class
Component
Use(s)
Encoded product / tool
lacZ
Description

Expression of Ecol\lacZ is under the control of a 498bp fragment from upstream of the brk gene (fragment starts with sequence CTCTGGCACA and ends with CCACTTGTCCC).

(Markstein et al., 2004)
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
ectoderm | ventro-lateral
(Markstein et al., 2004)
ventral neurectoderm
(Markstein et al., 2004)
Additional Information
Statement
Reference
 
Marker for
Reflects expression of
brk
(Markstein et al., 2004)
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 (2)
Reported As
Symbol Synonym
P{brk.498-lacZ}
(FlyBase, 1992-)
brk, 498
(Markstein et al., 2004)
Secondary FlyBase IDs
    References (3)