FB2026_02 , released June 18, 2026
Allele: Dmel\Alkact.UAS.Tag:HA
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General Information
Symbol
Dmel\Alkact.UAS.Tag:HA
Species
D. melanogaster
Name
FlyBase ID
FBal0157355
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Also Known As
UAS-AlkCA
Key Links
Transgenic product class
Nature of the Allele
Transgenic product class
Progenitor genotype
Carried in construct
Cytology
Description

Expression of a constitutively active form of Alk, fused to the epitope tag Tag:HA, is under the control of UAS sequences.

Allele components
Component
Use(s)
Encoded product / tool
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
Variant Molecular Consequences
Associated Sequence Data
DNA sequence
Protein sequence
 
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

Pan-neuronal expression of Alkact.Scer\UAS.T:Ivir\HA1 under the control of Scer\GAL4elav-C155, and restricted to the adult stages using Scer\GAL80ts.αTub84B, causes significant deficits in associative olfactory learning compared to controls.

Expression of Alkact.Scer\UAS.T:Ivir\HA1 under the control of Scer\GAL4Ras64B.PW, and restricted to the adult stages using Scer\GAL80ts.αTub84B, causes significant deficits in associative olfactory learning compared to controls. The wings of the resulting adult flies are also smaller than in wild type, due to reduced cell size rather than cell number.

Expression of Alkact.Scer\UAS.T:Ivir\HA1 under the control of Scer\GAL4Alk.38, and restricted to the adult stages using Scer\GAL80ts.αTub84B, causes significant deficits in associative olfactory learning compared to controls.

Expression of Alkact.Scer\UAS.T:Ivir\HA1 under the control of either Scer\GAL4Mef2.247 or Scer\GAL4c747, and restricted to the adult stages using Scer\GAL80ts.αTub84B, does not affect associative olfactory learning.

Expression of Alkact.Scer\UAS.T:Ivir\HA1 under the control of Scer\GAL4elav-C155, Scer\GAL4Ras64B.PW, Scer\GAL4Alk.38 or Scer\GAL4386Y throughout development yields pupae that are 10-15% smaller than controls. The resulting adults are viable and normally patterned.

Expression of Alkact.Scer\UAS.T:Ivir\HA1 under the control of Scer\GAL4Ilp2.PR throughout development yields pupae that are a similar size to controls.

When expression is driven by Scer\GAL4He.PZ, hemocyte proliferation is increased though lamellocyte numbers and crystal cells are unaffected. Similar, though milder, effects are seen when expression is driven by Scer\GAL4Hml.PG. When expression is driven by Scer\GAL4Sgs4.PH, there is no effect on hemocytes.

External Data
Interactions
Show genetic interaction network for Enhancers & Suppressors
Phenotypic Class
Phenotype Manifest In
Additional Comments
Genetic Interactions
Statement
Reference

Expression of Alkact.Scer\UAS.T:Ivir\HA1 under the control of Scer\GAL4elav-C155, Scer\GAL4Ras64B.PW or Scer\GAL4386Y in a Nf1E2 mutant background results in larval lethality. Larval lethality is also seen when AlkScer\UAS.cLa is expressed under the control of Scer\GAL4elav-C155 in a Nf1E2/+ background.

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
Alkact.Scer\UAS.T:Ivir\HA1
Alkact.UAS.Tag:HA
Name Synonyms
Secondary FlyBase IDs
    References (5)