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OMIA:000369-311895 : Feather colour, oculocutaneous albinism type I (OCA1), TYR-related in Pyrrhura molinae (green‐cheeked parakeet)

In other species: northern bobwhite , chicken , common canary , budgerigar , Fischer's lovebird

Categories: Pigmentation phene

Links to possible relevant human trait(s) and/or gene(s) in OMIM: 203100 (trait) , 606933 (gene)

Single-gene trait/disorder: yes

Mode of inheritance: Autosomal recessive

Disease-related: unknown

Key variant known: yes

Year key variant first reported: 2025

Cross-species summary: Renamed from 'Feather colour, albinism' to 'Feather colour, oculocutaneous albinism type I (OCA1), TYR-related' [20/04/2025]

Molecular basis: Ghosh Roy et al. (2025) identified the likely causal variant for the non-sex-linked recessive lutino (NSL) colour morph by sequence analysis of functional candidate genes: TYR c.1111C>T, p.(H371Y).

Variants

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WARNING! Inclusion of a variant in this table does not automatically mean that it should be used for DNA testing. Anyone contemplating the use of any of these variants for DNA testing should examine critically the relevant evidence (especially in breeds other than the breed in which the variant was first described). If it is decided to proceed, the location and orientation of the variant sequence should be checked very carefully.

Since October 2021, OMIA includes a semiautomated lift-over pipeline to facilitate updates of genomic positions to a recent reference genome position. These changes to genomic positions are not always reflected in the ‘acknowledgements’ or ‘verbal description’ fields in this table.

OMIA Variant ID Breed(s) Variant Phenotype Gene Allele Type of Variant Source of Genetic Variant Reference Sequence Chr. g. or m. c. or n. p. Verbal Description EVA ID Year Published PubMed ID(s) Acknowledgements
1789 Feather colour, non-sex-linked lutino TYR missense Naturally occurring variant ASM1176335v2 (GCA_011763355.2) c.1111C>T p.(H371Y) 2025 40195888
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Cite this entry

Nicholas, F. W., Tammen, I., & Sydney Informatics Hub. (2025). OMIA:000369-311895: Online Mendelian Inheritance in Animals (OMIA) [dataset]. https://omia.org/. https://doi.org/10.25910/2AMR-PV70

Reference

2025 Ghosh Roy, S., Brejcha, J., Mojzeš, P., Abdu, M., Abdu, U. :
The role of two tyrosinase-like glycoenzymes in defining the final Hue of parrot plumage. Pigment Cell Melanoma Res 38:e70010, 2025. Pubmed reference: 40195888. DOI: 10.1111/pcmr.70010.

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  • Created by Imke Tammen2 on 20 Apr 2025
  • Changed by Imke Tammen2 on 20 Apr 2025