FB2026_03 , released September 17, 2026
Recombinant Construct: P{HBΔ-89}
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General Information
Symbol
P{HBΔ-89}
FlyBase ID
FBtp0000179
Feature type
transgenic_transposable_element
Component Allele(s)
Ecol\lacZHsp70Bb.-89
Size
Expression Data
Associated insertion(s)
8 available
Molecular map
Description and Uses
Construct components
Component
Use(s)
Marker(s)
ry+t7.2
Component allele Ecol\lacZHsp70Bb.-89
Transgenic product class
Component
Use(s)
Encoded product / tool
lacZ
Description

Hsp70Bb upstream sequences up to -89bp, which include the two proximal heat shock elements (HSEs), drive lacZ expression.

(Fernandes et al., 1995)

Hsp70Bb upstream sequences from the transcription start site to position -89 drive lacZ expression.

(Simon et al., 1985)
Sequence Data
Sequence (FB)
Associated Sequence Data
DDBJ / EMBL / GenBank
DNA Sequence
Extent
Segments and Size
Total Size
Left end

P5\'

(Simon et al., 1985)
Right end

P3\'

(Simon et al., 1985)
 
Segments
Num
Orientation
Symbol
Reference
Phenotypic Data
Expression Data
Reporter Expression
Additional Information
Statement
Reference
 
Marker for
Reflects expression of
Reporter construct used in assay
Progenitors and Descendants
progenitor(s)
pP{HBΔ-89}
(Simon et al., 1985)
descendant(s)
Comments

construct_comment: Produces new heat-inducible puff at cytological site of insertion in 5 out of 6 lines.

(Simon et al., 1985)

construct_comment: One of a series of constructs used to characterize promoter sequences and sequences required for puffing within Hsp70Bb.

(Simon et al., 1985)
Stocks (0)
Stocks containing insertion(s) of this recombinant construct
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (4)
Reported As
Symbol Synonym
HBΔ-89
(Simon et al., 1985)
P[cHBΔ-89,ry+]
(Morcillo and MacIntyre, 2001)
P{HBΔ-89}
(FlyBase, 1996-, FlyBase, 1992-)
Secondary FlyBase IDs
    References (8)