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The glitter coat in cats is a structural variation of the hair shaft rather than a coat colour trait.
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Specifications
| Breeds | |
|---|---|
| Gene | |
| Chromosome | D2 |
| Mutation | a 585-bp cat-specific Endogenous Retroviral Long Terminal Repeat element insertion |
| Organ | |
| Specimen | Swab, Blood EDTA, Blood Heparin, Semen, Tissue |
| Mode of Inheritance | Autosomal Recessive |
| Also known as | Glitter |
General information
The glitter coat in cats is a structural variation of the hair shaft rather than a coat colour trait. The trait is caused by a mutation in the Fibroblast growth factor receptor (Fgfr2) gene. The Fgfr2 gene plays a role in embryonic development and organ formation. This mutation causes a moderate reduction in Fgfr2 activity, leading to alterations in hair morphology that produce the characteristic glitter effect. The trait is inherited in an autosomal recessive manner and has been identified in Bengal, Egyptian Mau and Toyger.
Clinical features
Cats with this variant exhibit a distinctive sparkling or iridescent sheen across the coat, often described as gold, pearl-like, or crystal-like. The effect can range from subtle shimmer to a pronounced glittering appearance. The coat is typically softer, finer, and silkier compared to cats without the variant. These features result from structural differences within the hair shaft that alter how light is reflected. Expression of the trait can vary between individuals, and it does not impact health or overall quality of life.
Additional information
References
Pubmed ID: 38531359
Year published: 2024
Omia ID: 1313
Omia variant ID: