FB2026_02 , released June 18, 2026
Recombinant Construct: P{Kr-h1-lacZ.JHRR}
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General Information
Symbol
P{Kr-h1-lacZ.JHRR}
FlyBase ID
FBtp0131814
Feature type
transgenic_transposable_element
Component Allele(s)
Ecol\lacZKr-h1.JHRR
Also Known As
JHRR-LacZ
Size
Expression Data
lacZ reporter
Associated insertion(s)
1 available
Molecular map
Description and Uses
Construct components
Component allele Ecol\lacZKr-h1.JHRR
Transgenic product class
Component
Use(s)
Encoded product / tool
lacZ
Description

A 120bp juvenile hormone response region from the Kr-h1 promoter (-440 to -321 relative to the transcription start site) drives expression of lacZ.

(He et al., 2014)
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
wandering third instar larval stage
embryonic/larval fat body
(Liu et al., 2018)
embryonic/larval salivary gland
(Liu et al., 2018)
prothoracic gland
(Liu et al., 2018)
adult midgut progenitor cell
(Liu et al., 2018)
Additional Information
Statement
Reference

Kr-h1 reporter is detected in fat body, salivary gland, prothoracic gland and adult midgut progenitor cells in early wandering third instar larvae when juvenile hormone titers are high but not in the larval midgut cells.

(Liu et al., 2018)
 
Marker for
Reflects expression of
Kr-h1
(Liu et al., 2018)
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
JHRR-LacZ
(Kurogi et al., 2024, Liu et al., 2018, He et al., 2017, He et al., 2014)
P{Kr-h1-lacZ.JHRR}
(FlyBase, 1992-)
Secondary FlyBase IDs
    References (6)