FB2026_03 , released September 17, 2026
Insertion: Dmel\TI{2A-GAL4}Tk2A-GAL4
Open Close
General Information
Symbol
Dmel\TI{2A-GAL4}Tk2A-GAL4
Species
D. melanogaster
Name
FlyBase ID
FBti0209971
Feature type
insertion_site
Also Known As
DTK-GAL4, Tk-T2A-Gal4, Tk-Gal4, Tk::2A::GAL4
Description
Inserted Element
TI{2A-GAL4}
LINE ID
Affected gene(s)
Tk
Viability / fertility
Associated allele(s)
Scer\GAL4Tk-2A-GAL4, Tk2A-GAL4
Stock availability
1 publicly available
Genomic Location
Chromosomal Location
3R ( 87A4 )
Sequence Location
Target / Docking site
Member of Large Scale Dataset(s)
Dataset
Description
Detailed Mapping Data
Chromosome (arm)
Sequence Location
Orientation
Cytological location (computed by FlyBase)
87A4 (near gene of known cytology)
Cytological location (reported)
Insertion into Natural transposon
Comments concerning location
Sequence Data
Flanking sequence
Inserted Element
Construct
TI{2A-GAL4}
(Rao and Deng, 2019.10.23)
Size (Kb)
Component Allele(s)
Molecular map
Affected Gene(s)
Insertion may affect gene
Tk
(Deng et al., 2019, Rao and Deng, 2019.10.23)
Variant Molecular Consequences
Phenotypic Data
Expression Data
Reporter Expression
distribution deduced from reporter (Gal4 UAS)
Stage
Tissue/Position (including subcellular localization)
Reference
adult stage
dopaminergic neuron | subset
(Deng et al., 2019)
adult Tachykinin neuron of the central nervous system
(Qi et al., 2021)
Additional Information
Statement
Reference

ScerGAL4Tk-2A-GAL4 drives expression Tachykinin neurons in the adult brain, including in the central complex, the antennal lobes, and the optic lobes, as well as in the ventral nerve cord.

(Qi et al., 2021)
 
Marker for
Reflects expression of
Tk
(Qi et al., 2021)
Reporter construct used in assay
Data on Genetic Line
Line ID
Origin as a multiple insertion line
Progenitor(s) within the Genome
Related Aberration or Balancer
Aberration
Balancer
Stocks (1)
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (10)
Reported As
Symbol Synonym
DTK-GAL4
(Qi et al., 2021)
TI{2A-GAL4}Tk2A-GAL4
(Liu et al., 2022, FlyBase, 1992-)
TK-Gal4
(Qin et al., 2026)
Tk-GAL4
(Guo et al., 2024)
Tk-Gal4
(Nagai et al., 2023)
Tk-T2A-Gal4
(Kashio et al., 2023, Nagai et al., 2023)
Tk::2A::GAL4
(Ahrentløv et al., 2025, Malita et al., 2025)
dTK-Gal4
(Guo et al., 2019)
dtk-Gal4
(Guo et al., 2022)
tk-T2A-GAL4
(Lyu et al., 2025)
Name Synonyms
Secondary FlyBase IDs
    References (14)