FB2026_02 , released June 18, 2026
Recombinant Construct: P{gsb-n-GAL4.H}
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General Information
Symbol
P{gsb-n-GAL4.H}
FlyBase ID
FBtp0093059
Feature type
transgenic_transposable_element
Component Allele(s)
Scer\GAL4gsb-n.PH
Also Known As
gsbn-Gal4
Size
Expression Data
GAL4 reporter/driver
Associated insertion(s)
1 available
Molecular map
Description and Uses
Construct components
Component allele Scer\GAL4gsb-n.PH
Transgenic product class
Component
Use(s)
Regulatory region(s)
gsb-n
Encoded product / tool
GAL4
Description

A fragment encompassing the entire upstream regulatory region of gsb-n (up to the 5'UTR of the neighbouring gsb gene) and its promoter is fused upstream of GAL4.

(He and Noll, 2013)
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 (Gal4 UAS)
Stage
Tissue/Position (including subcellular localization)
Reference
embryonic stage 14 -- 16
larval A1-7-innervating LT2/LT3 motor neuron
(He and Noll, 2013)
larval A1-7-innervating LT3 motor neuron
(He and Noll, 2013)
muscle cell of A1-7 lateral transverse muscle 4
(He and Noll, 2013)
muscle cell of A1-7 lateral oblique muscle 1
(He and Noll, 2013)
A1-7 segment border muscle cell
(He and Noll, 2013)
embryonic stage 16
abdominal segment motor neuron | subset of larval abdominal intersegmental nerve
(He and Noll, 2013)
abdominal segment motor neuron | subset of larval intersegmental nerve branch ISNb of A1-7
(He and Noll, 2013)
embryonic peripheral glial cell 4 | subset of larval segmental nerve branch SNa of A1-7
(He and Noll, 2013)
Additional Information
Statement
Reference

ScerGAL4gsb-n.PH drives expression in motor neurons that project through the nerve branches SNa, ISN and ISNb as well as in glial cells surrounding SNa. Flip-out experiments show that all labeled motor neurons projecting though SNa derive from NB5-4 neuroblasts.

(He and Noll, 2013)
 
Marker for
Reflects expression of
gsb-n
(He and Noll, 2013)
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
P{gsb-n-GAL4.H}
(FlyBase, 1992-)
gsbn-Gal4
(Hartenstein et al., 2018, He and Noll, 2013)
Secondary FlyBase IDs
    References (4)