FB2024_04 , released June 25, 2024
Allele: Dmel\PlexAUAS.cWa
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General Information
Symbol
Dmel\PlexAUAS.cWa
Species
D. melanogaster
Name
Saccharomyces cerevisiae UAS construct a of Winberg
FlyBase ID
FBal0094368
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Also Known As
UAS-PlexA
Key Links
Transgenic product class
Nature of the Allele
Transgenic product class
Progenitor genotype
Carried in construct
Cytology
Description

PlexA is expressed under the control of UASt regulatory 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 ( 1 )
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

Scer\GAL4elav.PU-mediated expression of PlexAScer\UAS.cWa results in CNS axon guidance defects - discontinuous, thin or missing CNS longitudinal connectives, and CNS axons abnormally crossing the midline.

Expression of plexAScer\UAS.cWa in embryos under the control of Scer\GAL4elav.PLu causes thick bundles of axons to abnormally cross the midline.

Causes no mutant phenotype in the mushroom bodies when expression is driven by Scer\GAL4.

Embryos expressing plexAScer\UAS.cWa under the control of Scer\GAL4elav.PLu show axon guidance defects in all parts of the motor projection and also in the central nervous system. The dorsal SNa branch splits prematurely into multiple projections in 66% of segments and the dorsal extension of the intersegmental nerve (ISN) defasciculates inappropriately in 25% of segments. The transverse nerve is stalled in 26% of segments, resulting in the 2 halves of the nerve failing to meet. ISNb axons often fail to reach their muscle targets, and the nerve displays a thickened clumped structure, with stalls at choice points 2 and 3. The Fas2-positive longitudinal tracts are less tightly fasciculated than normal and are not always continuous between segments. The outermost Fas2-positive fascicle defasciculates and extends away from the central nervous system.

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

Scer\GAL4elav.PU-mediated expression of SelRScer\UAS.cHa significantly rescues the axon guidance defects seen in SelRScer\UAS.cHa Scer\GAL4elav.PU animals.

A Gyc76CKG03723ex173 background partially suppresses the aberrant axon midline-crossing phenotype of embryos that express plexAScer\UAS.cWa under the control of Scer\GAL4elav.PLu. In contrast, coexpression of Gyc76CScer\UAS.T:Hsap\MYC with plexAScer\UAS.cWa, under the control of Scer\GAL4elav.PLu, enhances the axon guidance phenotype of plexAScer\UAS.cWa-expressing embryos, with many axon bundles crossing the midline. Coexpression of the dominant negative Gyc76CD945A.Scer\UAS.T:Hsap\MYC transgene with plexAScer\UAS.cWa, under the control of Scer\GAL4elav.PLu, results in a partial suppression of the plexAScer\UAS.cWa-induced axon guidance phenotype.

Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Partially rescues
Comments

The central nervous system and motor axon guidance defects of homozygous Df(4)C3 embryos are rescued by plexAScer\UAS.cWa expressed under the control of Scer\GAL4elav.PLu.

Images (0)
Mutant
Wild-type
Stocks (1)
Notes on Origin
Discoverer
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (5)
Reported As
Symbol Synonym
PlexAScer\UAS.cWa
PlexAUAS.cWa
plexAScer\UAS.cWa
plexAUAS.cWa
Name Synonyms
Saccharomyces cerevisiae UAS construct a of Winberg
Secondary FlyBase IDs
    References (6)