FB2026_02 , released June 18, 2026
Recombinant Construct: P{1BKrZ}
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General Information
Symbol
P{1BKrZ}
FlyBase ID
FBtp0004367
Feature type
transgenic_transposable_element
Component Allele(s)
Ecol\lacZKr.1BKrZ
Size
Expression Data
lacZ reporter
Associated insertion(s)
1 available
Molecular map
Description and Uses
Construct components
Component allele Ecol\lacZKr.1BKrZ
Transgenic product class
Component
Use(s)
Regulatory region(s)
Kr_1BKrZ
Encoded product / tool
lacZ
Description

One copy of a 142bp element derived from the BamHI StuI fragment of the Kr730 element (within the CD1 element) drives lacZ expression.

(Hoch et al., 1991)
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
immunolocalization
Stage
Tissue/Position (including subcellular localization)
Reference
embryonic stage 5
organism | 40-60% egg length

Comment: reference stages ~42-55% egg length

(Hoch et al., 1991)
Additional Information
Statement
Reference

Expression domain is slightly anterior to that of endogenous Kr expression.

(Hoch et al., 1991)
 
Marker for
Reflects expression of
Kr
(Hoch et al., 1991)
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{1BKrZ}
(FlyBase, 1996-)
Secondary FlyBase IDs
    References (3)