Mutations within the FGF5 gene are associated with hair length in cats

Drögemüller, Cord; Rüfenacht, S; Wichert, B; Leeb, Tosso (2007). Mutations within the FGF5 gene are associated with hair length in cats. Animal genetics, 38(3), pp. 218-21. Oxford: Blackwell 10.1111/j.1365-2052.2007.01590.x

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Hereditary hair length variability in mice and dogs is caused by mutations within the fibroblast growth factor 5 (FGF5) gene. The aim of this study was to evaluate the feline FGF5 orthologue as a functional candidate gene for the long hair phenotype in cats, which is recessive to short hair. We amplified the feline FGF5 cDNA and characterised two alternatively spliced transcripts by RT-PCR. Comparative cDNA and genomic DNA sequencing of long- and short-haired cats revealed four non-synonymous polymorphisms in the FGF5 coding sequence. A missense mutation (AM412646:c.194C>A) was found in the homozygous state in 25 long-haired Somali, Persian, Maine Coon, Ragdoll and crossbred cats. Fifty-five short-haired cats had zero or one copy of this allele. Additionally, we found perfect co-segregation of the c.194C>A mutation within two independent pedigrees segregating for hair length. A second FGF5 exon 1 missense mutation (AM412646:c.182T>A) was found exclusively in long-haired Norwegian Forest cats. The c.182T>A mutation probably represents a second FGF5 mutation responsible for long hair in cats. In addition to the c.194C>A mutation, a frameshift mutation (AM412646:c.474delT) was found with a high frequency in the long-haired Maine Coon breed. Finally, a missense mutation (AM412646:c.475A>C) was also associated with the long-haired phenotype in some breeds. However, as one short-haired cat was homozygous for this polymorphism, it is unlikely that it has a functional role in the determination of hair length.

Item Type:	Journal Article (Original Article)
Division/Institute:	05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH) > Institute of Genetics 05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > DKV - Dermatology
UniBE Contributor:	Drögemüller, Cord, Rüfenacht, Silvia, Leeb, Tosso
Subjects:	500 Science > 590 Animals (Zoology) 600 Technology > 630 Agriculture
ISSN:	0268-9146
Publisher:	Blackwell
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 14:52
Last Modified:	05 Dec 2022 14:16
Publisher DOI:	10.1111/j.1365-2052.2007.01590.x
PubMed ID:	17433015
Web of Science ID:	000247109500005
URI:	https://boris.unibe.ch/id/eprint/22140 (FactScience: 32024)