FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\rno1
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General Information
Symbol
Dmel\rno1
Species
D. melanogaster
Name
FlyBase ID
FBal0154696
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Key Links
Genomic Maps

Allele class
Nature of the Allele
Allele class
Progenitor genotype
Cytology
Description

Amino acid replacement: W292term.

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

G197527A

Amino acid change:

W292term | rno-PB; W292term | rno-PC; W292term | rno-PD

Reported amino acid change:

W292term

Comment:

G to A nucleotide change at the second or third position of the wild type Trp codon leads to a nonsense mutation (exact site of mutation unspecified). The mutation was annotated at the second base of the codon.

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

rno1 somatic clones generated during eye development result in mostly normal adult eye morphology.

Occasionally (in less than 5% of cases) rno1 third instar larval eye disc clones develop multiple photoreceptor R8 cells within a single ommatidial cluster.

In third instar larval eye discs, cells from somatic clones mutant for rno1 show slight delays in photoreceptor differentiation compared to surrounding control tissue.

External Data
Interactions
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Phenotypic Class
Phenotype Manifest In
Enhanced by
NOT Enhanced by
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Additional Comments
Genetic Interactions
Statement
Reference

Doubly mutant rno1 and Rbf15aΔ somatic clones generated during eye development result in shiny eye differentiation defects in the adult eye. Pupal eye discs are largely devoid of bristle cells, and adult eyes lack bristles.

Multiple photoreceptor R8 cells are observed within the same ommatidial cluster in roughly 20% of third instar larval eye disc clones mutant for both rno1 and Rbf15aΔ.

The multiple-R8 phenotype seen in rno1 or rno1, Rbf15aΔ eye somatic mutant clones is not significantly affected by Egfrf2/+, but is significantly enhanced in a Dl05151/+ background.

The shiny-eye and multiple photoreceptor-R8 phenotype seen in rno1, Rbf15aΔ eye somatic mutant clones is significantly suppressed in a E2fi2/E2frM729 mutant background.

In third instar larval eye discs, cells from somatic clones mutant for both rno1 and Rbf15aΔ show significant and enhanced delays in photoreceptor differentiation compared to controls.

The shiny-eye phenotype and multiple photoreceptor-R8 phenotype observed in rno1 somatic clones in the eye is not enhanced in a E2fsu89 background.

Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Fails to complement
Comments
Images (0)
Mutant
Wild-type
Stocks (0)
Notes on Origin
Discoverer
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (1)
Reported As
Symbol Synonym
Name Synonyms
Secondary FlyBase IDs
    References (2)