FlyBase Allele Report: Dmel\r[56k]

FB2026_01 , released March 12, 2026

FB2026_01 , released March 12, 2026

Allele: Dmel\r^56k

General Information

Symbol

Dmel\r^56k

Species

D. melanogaster

Name

FlyBase ID

FBal0014206

Feature type

allele

Associated gene

Associated Insertion(s)

Carried in Construct

Also Known As

r⁴

Key Links

Allele class

Mutagen

Nature of the Allele

Allele class

Mutagen

methyl methanesulfonate

(Carlson, 1971)

Progenitor genotype

Cytology

Description

Mutations Mapped to the Genome

Curation Data

Type

Location

Additional Notes

References

Variant Molecular Consequences

Associated Sequence Data

DDBJ / EMBL / GenBank

DNA sequence

Protein sequence

UniProtKB/Swiss-Prot

UniProtKB/TrEMBL

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

auxotroph | recessive

(Falk, 1976)

female sterile | recessive

(Carlson, 1971)

visible | recessive

(Falk, 1976, Carlson, 1971)

Phenotype Manifest In

(Falk, 1976, Carlson, 1971)

Detailed Description

Statement

Reference

Wing phenotype is fully complemented by r^bs1, r^bs2 and r^bs3.

(Bahn and Sondergaard, 1983)

Typical r. RK2.

External Data

Interactions

Show genetic interaction network for Enhancers & Suppressors

Phenotypic Class

Phenotype Manifest In

Additional Comments

Genetic Interactions

Statement

Reference

Xenogenetic Interactions

Statement

Reference

Complementation and Rescue Data

Complements

(Falk, 1976)

(Falk, 1976)

(Falk, 1976)

(Falk, 1976)

(Falk, 1976)

(Falk, 1976)

(Falk, 1976)

(Falk, 1976)

(Falk, 1976)

(Falk, 1976)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

Partially complements

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

Fails to complement

(Falk, 1976)

(Falk, 1976)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

(Carlson, 1971)

Comments

Complementation statements based on both auxotrophy and wing phenotypes. Complementation group: A.

(Falk, 1976)

Complementation assayed with respect to the wing phenotype and female sterility (which show identical patterns of complementation). Complementation group VII.

(Carlson, 1971)

Images (0)

Mutant

Wild-type

Stocks (0)

Notes on Origin

Discoverer

Fahmy, Nov. 1956.

O.J. Fahmy and M.B. Fahmy.

(Carlson, 1971)

Comments

Comments

Lacks dihydroorotase activity.

(Bahn and Sondergaard, 1983)

External Crossreferences and Linkouts ( 0 )

Synonyms and Secondary IDs (2)

Reported As

Symbol Synonym

r⁴

(Falk, 1976, Carlson, 1971)

r^56k

Name Synonyms

Secondary FlyBase IDs

References (5)

Report Sections