FB2026_02 , released June 18, 2026
Recombinant Construct: P{fkh-lacZ.250}
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General Information
Symbol
P{fkh-lacZ.250}
FlyBase ID
FBtp0011244
Feature type
transgenic_transposable_element
Component Allele(s)
Ecol\lacZfkh.250
Also Known As
fkh250-lacZ
Size
Expression Data
lacZ reporter
Associated insertion(s)
1 available
Molecular map
Description and Uses
Construct components
Component allele Ecol\lacZfkh.250
Transgenic product class
Component
Use(s)
Encoded product / tool
lacZ
Description

Expression of lacZ is driven by four copies of a 40bp sequence, 37bp of which come from the wild type fkh enhancer and which includes the potential Hox/exd-binding site (AGATTAATCG).

(Ryoo and Mann, 1999)
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 10
parasegment 2
(Ryoo and Mann, 1999)
embryonic stage 11
parasegment 2
(Zhou et al., 2001)
organism | segmentally repeated
(Gebelein et al., 2002, Zhou et al., 2001)
salivary gland body primordium
(Zhou et al., 2001)
third instar larval stage
prothoracic leg disc | restricted

Comment: absent in other thoracic discs

(Ryoo and Mann, 1999)
prothoracic trochanter | precursor
(Ryoo and Mann, 1999)
Additional Information
Statement
Reference
 
Marker for
Reflects expression of
fkh
(Gebelein et al., 2002, Zhou et al., 2001, Ryoo and Mann, 1999)
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 (5)
Reported As
Symbol Synonym
P{fkh-lacZ.250}
(FlyBase, 1996-)
fkh(250con)-lacZ
(Gebelein et al., 2002)
fkh250-lacZ
(Lelli et al., 2011, Noro et al., 2011, Joshi et al., 2010, Joshi et al., 2007)
fkh250-lacZ
(Noro et al., 2006)
fkh[250]-lacZ
(Ryoo and Mann, 1999)
Secondary FlyBase IDs
    References (9)