FB2026_02 , released June 18, 2026
Allele: Scer\GAL4Gr21a.PU
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General Information
Symbol
Scer\GAL4Gr21a.PU
Species
S. cerevisiae
Name
Gustatory receptor 21a promoter construct of Unknown
FlyBase ID
FBal0317185
Feature type
allele
Associated gene
Scer\GAL4
Associated Insertion(s)
Carried in Construct
P{Gr21a-GAL4.U}
Also Known As
GR21a-Gal4
Transgenic product class
Mutagen
Nature of the Allele
Transgenic product class
Mutagen
in vitro construct
(FlyBase Curators, 2025-)
Progenitor genotype
Carried in construct
P{Gr21a-GAL4.U}
Cytology
Description

Gr21a regulatory sequences control expression of a GAL4 driver.

(FlyBase Curators, 2025-)

FlyBase curator comment: this entry represents a transgenic construct where the particular construct used cannot be determined.

(FlyBase Curators, 2025-)
Allele components
Component
Use(s)
Regulatory region(s)
Gr21a
Encoded product / tool
GAL4
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
Variant Molecular Consequences
Associated Sequence Data
DDBJ / EMBL / GenBank
DNA sequence
Protein sequence
 
UniProtKB/Swiss-Prot
    UniProtKB/TrEMBL
      Expression Data
      Reporter Expression
      Additional Information
      Statement
      Reference
       
      Marker for
      Reflects expression of
      Reporter construct used in assay
      Human Disease Associations
      Disease Ontology (DO) Annotations
      Models Based on Experimental Evidence ( 0 )
      Disease
      Evidence
      References
      Modifiers Based on Experimental Evidence ( 0 )
      Disease
      Interaction
      References
      Comments on Models/Modifiers Based on Experimental Evidence ( 0 )
       
      Disease-implicated variant(s)
       
      Phenotypic Data
      Phenotypic Class
      Phenotype Manifest In
      Detailed Description
      Statement
      Reference

      Optogenetic activation (using Cnoc\ChR1Cs.IVS.20xUAS.Venus with 625 nm (red) light) of Scer\GAL4Gr21a.PU cells in larvae increases the probability of ending a run and initiating a turn, compared to baseline conditions.

      (van Giesen et al., 2016)
      External Data
      Interactions
      Show genetic interaction network for Enhancers & Suppressors
      Phenotypic Class
      Phenotype Manifest In
      Additional Comments
      Genetic Interactions
      Statement
      Reference
      Xenogenetic Interactions
      Statement
      Reference
      Complementation and Rescue Data
      Comments
      Images (0)
      Mutant
      Wild-type
      Stocks (0)
      Notes on Origin
      Discoverer
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (2)
      Reported As
      Symbol Synonym
      Scer\GAL4Gr21a.PU
      Name Synonyms
      Gustatory receptor 21a promoter construct of Unknown
      Secondary FlyBase IDs
        References (4)