Cited by 129Genetic and phenotypic traits in livestockHair Growth and DisordersSkin and Cellular Biology Research

Wool Keratin-Associated Protein Genes in Sheep—A Review

Open access
Gong, Hua, Zhou, Huitong, Forrest, Rachel, Li, Shaobin, Wang, Jiqing, Dyer, Jolon, Luo, Yuzhu, Hickford, Jon·2016·Genes

Abstract

The importance of sheep’s wool in making textiles has inspired extensive research into its structure and the underlying genetics since the 1960s. Wool keratin-associated proteins (KAPs) are a key structural component of the wool fibre. The characterisation of the genes encoding these proteins has progressed rapidly with advances in the nucleotide and protein sequencing. This review describes our knowledge of ovine KAPs, their categorisation into families, polymorphism in the proteins and genes, the clustering and chromosomal location of the genes, some characteristics of gene expression and some potential effects of the KAPs on wool traits. The extent and nature of genetic variation in wool KAP genes and its association with fibre characteristics, provides an opportunity for the development of gene-markers for selective breeding of sheep to produce better wool with properties highly matched to specific end-uses.

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Crossref · 10.3390/genes7060024

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  • Keratins and keratin-associated proteins are conserved across multiple species, with family members encoding principal structural components of hair and wool.

    “Keratins and the keratin-associated proteins are conserved across multiple species with family members encoding the principal structural components of hair and wool160–163.”

    From Chromosomal-level reference genome assembly of muskox (Ovibos moschatus) from Banks Island in the Canadian Arctic, a resource for conservation genomics (2024) · cites this paper as [162]

    The Introduction describes α-keratins and keratin-associated proteins (KAPs) as major structural components of wool and identifies α-keratins in both hair and wool. Sections 3 and 6 describe KAP families shared by sheep and humans, but the copy does not establish that both keratins and KAPs are conserved across multiple species. (LLM, conf=0.84)

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  1. [73]Rogers G. Hickford J. Bickerstaffe R. A Potential QTL for Wool Strength Located on Ovine Chromosome 11 Proceedings of the 5th World Congress on Genetics Applied to Livestock Production Guelph, ON, Canada 7–12 August 1994 291 294

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Authors
Gong, H., Zhou, H., Forrest, R., Li, S., Wang, J., Dyer, J., Luo, Y., & Hickford, J.
Affiliations
  • Gansu Agricultural University (CN)
  • Eastern Institute of Technology (NZ)
  • AgResearch (NZ)
Corresponding author
  • Luo, Yuzhu
  • Hickford, Jon
Venue
Genes
Publisher
MDPI AG
Published
2016-05-28
Volume
7
Issue
6
Pages
24
ISSN
2073-4425 (ISSN-L)
OpenAlex
W2395447748
Cited by
124
References
78
Citations by year
2026: 12 · 2025: 7 · 2024: 18 · 2023: 13 · 2022: 16 · 2021: 13 · 2020: 11 · 2019: 12 · 2018: 10 · 2017: 11 · 2016: 1
FWCI
1.52
Type
journal article
Language
en
Open access
Locations
  • Genes (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
  • Lincoln University Research Archive (Lincoln University) (submittedVersion, cc-by)
Funders
FRST (C10X0710)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
  • Health Sciences › Medicine › Urology › Hair Growth and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Skin and Cellular Biology Research
Keywords
sheep, genetic polymorphism, gene clustering, chromosomal location, gene expression, wool traits, genetic markers, selective breeding, fiber properties

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