FB2026_03 , released September 17, 2026
Recombinant Construct: P{kni(4.4)-lacZ}
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General Information
Symbol
P{kni(4.4)-lacZ}
FlyBase ID
FBtp0002611
Feature type
transgenic_transposable_element
Component Allele(s)
Ecol\lacZkni.4.4
Also Known As
kni4.4lacZ
Size
Expression Data
lacZ reporter
Associated insertion(s)
1 available
Molecular map
Description and Uses
Construct components
Component
Use(s)
Marker(s)
w+mC
Component allele Ecol\lacZkni.4.4
Transgenic product class
Component
Use(s)
Regulatory region(s)
kni_4.4-lacZ
Encoded product / tool
lacZ
Description

4.4kb kni upstream sequences drive expression of lacZ.

(Pankratz et al., 1989)
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
organism | 30-50% egg length

Comment: 30-45% egg length

(Pankratz et al., 1989)
organism | anterior
(Pankratz et al., 1989)
Additional Information
Statement
Reference
 
Marker for
Reflects expression of
kni
(Pankratz et al., 1989)
Reporter construct used in assay
Progenitors and Descendants
progenitor(s)
pP{CaSpeR-AUG-βgal}
(Pankratz et al., 1989)
descendant(s)
Comments

report comment: Fails to produce lacZ expression pattern reflective of kni expression.

(Lunde et al., 1998)

construct_comment: Progenitors are those of the plasmid, pP{kni(4.4)-lacZ}.

(Pankratz et al., 1989)
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(w+; 4.4knilacZ/2-69)
(Nauber, 1999.8.30)
P{kni(4.4)-lacZ}
(FlyBase, 1996-)
P{kni-lacZ.L}
(FlyBase, 1996-)
kni-lacZ
(Haecker et al., 2007)
kni4.4lacZ
(Haecker et al., 2007, Pankratz et al., 1992)
Secondary FlyBase IDs
    References (8)