FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\ari-1B
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General Information
Symbol
Dmel\ari-1B
Species
D. melanogaster
Name
FlyBase ID
FBal0343285
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Key Links
Genomic Maps

Nature of the Allele
Progenitor genotype
Cytology
Description

Amino acid replacement: V187E.

Amino acid replacement: S332P.

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

T18134230A

Amino acid change:

V187E | ari-1-PA; V187E | ari-1-PB; V187E | ari-1-PC; V187E | ari-1-PD; V187E | ari-1-PE; V187E | ari-1-PF

Reported amino acid change:

V187E

Comment:

Site of nucleotide substitution in mutant inferred by FlyBase based on reported amino acid change.

Nucleotide change:

T18133796C

Amino acid change:

S332P | ari-1-PA; S332P | ari-1-PB; S332P | ari-1-PC; S332P | ari-1-PD; S332P | ari-1-PE; S332P | ari-1-PF

Reported amino acid change:

S332P

Comment:

Site of nucleotide substitution in mutant inferred by FlyBase based on reported amino acid change.

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

The few ari-1B/ari-1D transheterozygous escapers are short lived. ari-1B escapers display thin macro and microchaeta.

ari-1B homozygous clones in mosaic individuals can reach large sizes in various tissues; eye clones show synaptic transmission defects (i.e. reduced ON transients but normal amplitude in electroretinograms).

Body wall muscles in ari-1A/ari-1B transheterozygous, ari-1B/Df(1)BSC352 transheterozygous and ari-1B homo/heterozygous third instar larvae frequently show nuclei clustering together or in contact with each other, instead of the typically even spaced in controls; ari-1B homozygous larvae, however, do not show significant changes in myonuclear number. In the ari-1B homozygous and ari-1B/ari-1D transheterozygous backgrounds, these nuclei exhibit a smaller size and an irregular shape (uneven nuclear envelope), are displaced from the cell membrane, and do not seem to be surrounded by a cytoskeletal network.

ari-1A/ari-1B transheterozygous and ari-1D/ari-1B transheterozygous adult indirect flight muscles do not display obvious mitochondrial morphology defects.

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

Body wall muscles in ari-1B/+,parkf01950/+ or ari-1B/Y,parkf01950/+ third instar larvae frequently show nuclei clustering together or in contact with each other, instead of the typically even spaced in controls; these nuclei also exhibit a smaller size and an irregular shape (uneven nuclear envelope).

Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Partially rescued by
Not rescued by
Comments
Images (0)
Mutant
Wild-type
Stocks (1)
Notes on Origin
Discoverer
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (1)
Reported As
Symbol Synonym
Name Synonyms
Secondary FlyBase IDs
    References (1)