FB2026_02 , released June 18, 2026
Allele: Dmel\ushUAS.cFa
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General Information
Symbol
Dmel\ushUAS.cFa
Species
D. melanogaster
Name
Saccharomyces cerevisiae UAS construct a of Fossett
FlyBase ID
FBal0117270
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Also Known As
UAS-ush
Key Links
Nature of the Allele
Progenitor genotype
Carried in construct
Cytology
Description

A full length ush cDNA is expressed under the control of UASt 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

Expression of ushScer\UAS.cFa at 27[o]C in the fat body using Scer\GAL4Cg.PA results in flies that are proportionally smaller than control flies. No difference is seen in the pigmentation of abdominal segment A6.

Expression of ushScer\UAS.cFa in the posterior signaling center under the control of Scer\GAL4kn-col85-GAL4 leads to defects in niche cell differentiation based on a lack of filopodia formation.

Expression of ushScer\UAS.cFa under the control of Scer\GAL4Cg.PA results in an almost complete lost of plasmatocytes in third instar larval lymph glands. Lymph gland size is normal in these animals.

Expression of ushScer\UAS.cFa, under the control of either Scer\GAL4twi.PB or Scer\GAL4Mef2.PR, results in impaired lymph gland development.

Expression of ushScer\UAS.cFa under the control of Scer\GAL4ey.PH at 29oC throughout development results in a very small eye field in the eye-antennal disc (in 80% of discs no eye field is seen), whereas the antennal field is relatively normal.

When ushScer\UAS.cFa is driven by Scer\GAL4twi.PB a reduced number of crystal cells is seen in the mutant embryo.

Expression of ushScer\UAS.cFa under the control of Scer\GAL4ey.PH at 29oC results in adults that either lack eyes or have a small eye phenotype. Antennal development is also affected. Expression of ushScer\UAS.cFa under the control of Scer\GAL4ey.PH in animals that are maintained at 18oC throughout embryogenesis and are then shifted to 29oC results in elimination of the eye field without affecting antennal development. Expression of ushScer\UAS.cFa under the control of Scer\GAL4ey.PH in animals that are maintained at 29oC throughout embryogenesis and are then shifted to 18oC has a very subtle effect or no effect on eye development. Expression of ushScer\UAS.cFa under the control of Scer\GAL4ey.PH in animals that are shifted 29oC during the early first larval instar and are then shifted back to 18oC results in normal eye development.

When ushScer\UAS.cFa is driven by Scer\GAL4lz-gal4 a significant decrease in the average number of crystal cells is seen, 30% at stage 13 embryos and 85% at stage 16 embryos. When ushScer\UAS.cFa is driven by Scer\GAL4twi.PB a reduction in the umber of cardiac cells is seen in embryos. An average of 40% of embryos have gaps in the heart tube ranging from 10 cells missing to a complete absence of cardiac cells. When ushScer\UAS.cFa is driven by Scer\GAL4ey.PH severe defects are seen in the eye. These include ectopic production of antennae, reduction or loss of the eye, disrupted ommatidial polarity. This combination is also lethal for about 80% of the population before eclosion.

Expression of ushScer\UAS.cFa driven by Scer\GAL4twi.PB leads to a significant reduction in the number of cardial cells. Up to about 50% of cells are missing, with small gaps or large deletions present in the heart tubes.

External Data
Interactions
Show genetic interaction network for Enhancers & Suppressors
Phenotypic Class
Suppressor of
Statement
Reference

ushUAS.cFa/Scer\GAL4ey.PH is a suppressor of visible | dominant phenotype of L2

Other
Statement
Reference
Phenotype Manifest In
Additional Comments
Genetic Interactions
Statement
Reference

Lymph glands in hopTum/Y animals expressing ushScer\UAS.cFa under the control of Scer\GAL4Cg.PA are hypertrophic and produce lamellocytes, although the number of circulating lamellocytes is reduced by 90%.

L2/+ increases the frequency of the no-eye phenotype seen in discs of animals expressing ushScer\UAS.cFa under the control of Scer\GAL4ey.PH at 29oC throughout development from 80% to nearly 98% and the animals fail to eclose. The L2/+ phenotype of ventral eye loss is unaffected if expression of ushScer\UAS.cFa is driven by Scer\GAL4ey.PH at 29oC from embryogenesis until the end of the first larval instar, or by Scer\GAL4ey.PH at 29oC from during the third larval instar. However, if ushScer\UAS.cFa expression is driven by Scer\GAL4ey.PH at 29oC during the second larval instar, the L2/+ ventral eye phenotype is significantly rescued.

The addition of srpNC.F.Scer\UAS to ushScer\UAS.cFa, Scer\GAL4twi.PB embryos enhances the loss of crystal phenotype seen in these animals. The addition of srpC.Scer\UAS.cHa or srpNC.V421G.Scer\UAS has no effect on the crystal cell phenotype.

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 (3)
Reported As
Symbol Synonym
ushScer\UAS.cFa
ushUAS.cFa
Name Synonyms
Saccharomyces cerevisiae UAS construct a of Fossett
Secondary FlyBase IDs
    References (16)