FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\Ythdc1NP3
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General Information
Symbol
Dmel\Ythdc1NP3
Species
D. melanogaster
Name
FlyBase ID
FBal0327403
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Key Links
Genomic Maps

Mutagen
Nature of the Allele
Progenitor genotype
Cytology
Description

An indel early in the coding region of the both the PA and PB isoforms, causing a frameshift in the PA coding region and deletion of the initiating ATG in the PB coding region, and therefore expected to produce a non-functional protein.

Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
Comment:

An 8 bp deletion after the ATG of Ythdc1-PB (ATG1) which removes the second in frame ATG (ATG2) that maps three amino acids downstream of ATG1. This leads to a frameshift after ATG1 and early translation termination. Ythdc1-PA is disrupted.

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

Ythdc1NP3 homozygotes and Ythdc1NP3/Df(3L)ED208 transheterozygotes exhibit a flightless phenotype, which is associated with a partially penetrant "held-out" wing phenotype in the transheterozygotes. Ythdc1NP3/Df(3L)ED208 transheterozygous adults exhibit additional locomotion defects, as shown by their significantly decreased climbing capacity (more pronounced in males than in females) in negative geotaxis assays, as compared to controls; the transheterozygous females exhibit mild oogenesis defects, as shown by the small decrease in the number of egg chambers and by the frequent 'empty' ovarioles, despite the apparently normal development of egg chambers, as compared to controls.

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

Ythdc1NP3/Ythdc1[+] is an enhancer of abnormal sex-determination phenotype of Sxl[+]/SxlfP7B0, da3

Other
Phenotype Manifest In
Other
Statement
Reference
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
YT521-BNP3
Ythdc1NP3
Name Synonyms
Secondary FlyBase IDs
    References (1)