2 citations
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March 2023 in “BMC ecology and evolution” This study suggests that some keratin-associated proteins with antecedents found in non-haired animals may have roles beyond hair characteristics, possibly contributing to the evolution of hair follicles.
November 2022 in “Research Square (Research Square)” This study found that keratin-associated proteins related to metallothionein and occludin appear in various animals, suggesting they may have roles beyond hair characteristics and were later adapted for hair production.
25 citations
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April 2019 in “Animals” In this study, KRTAP28-1 variants were associated with wool fibre diameter in sheep, suggesting potential as a gene marker for reducing fibre diameter.
This study analyzed the genetic variations of the KAP20-1 gene in Chinese Tan sheep lambs and found that the G variant was linked to an increased mean fibre curvature in their fine wool fibres, potentially influencing breeding strategies for this wool trait.
1 citations
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April 2025 in “Animals” In this study, nucleotide sequence variation in the KRTAP13-3 gene was associated with changes in heterotypic hair fibre diameter variation in Chinese Tan sheep.
This study identified a new gene in sheep, KRTAP36-2, discovering variants associated with wool yield. Variations in this gene were linked to the efficiency of fleece conversion from greasy to clean, which may enhance wool production.
4 citations
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July 2024 in “Animals” In this study on Chinese Tan sheep, researchers discovered a variant of the KRTAP19-5 gene associated with decreased curvature of fine wool fibres, highlighting potential genetic markers for improving wool quality.
65 citations
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September 2014 in “BMC genomics” This research found that variations in the KRTAP gene family are likely responsible for the diverse hair phenotypes seen among mammals, influenced by gene repertoire differences, expression, and evolutionary factors.
1 citations
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September 2024 in “Animals” In this study, researchers identified six unique genetic variants of a sheep gene, KRTAP19-3, with specific variants linked to changes in wool fibre traits, such as increased fibre diameter variability, suggesting these genetic differences affect wool characteristics in Chinese Tan sheep.
3 citations
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October 2024 in “Animals” This study identified three genes in the ovine KAP13 family on chromosome 1 and found that a specific allele of KRTAP13-2 is associated with improved wool fibre diameter uniformity in Chinese Tan sheep, suggesting its potential use as a marker for enhancing wool traits.
In this study, researchers found that the keratin-associated protein 36-1 gene (KRTAP36-1) allele C is linked to variations in mean fibre curvature of fine wool in Chinese Tan lambs, suggesting its role in their distinctive curly coat.
1 citations
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April 2021 in “IntechOpen eBooks” This review examines genetic variation in the ovine KRTAP1.1 gene and its potential impact on wool quality, reporting no new findings but suggesting opportunities for developing gene markers for wool and pelt traits.
24 citations
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October 2019 in “Genes” In this study, the identification of a novel KAP gene in sheep, named KRTAP36-1, was associated with increased prickle factor in wool, suggesting its potential as a genetic marker for breeding purposes.
7 citations
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July 2019 in “Animals” This study identified a new ovine KRTAP21-1 gene variant in sheep, with wool yield affected by the variant, suggesting its potential as a genetic marker for improving wool production.
4 citations
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January 2020 in “Genes” This study found that genetic variation in the KRTAP21-2 gene among crossbred Merino lambs was associated with differences in wool traits, particularly mean staple length.
10 citations
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November 2021 in “International journal of molecular sciences” This review discusses the role of keratin-associated proteins in the growth and characteristics of wool and hair fibres from sheep and goats, and highlights areas for future research, but it presents no new findings.
1 citations
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September 2023 in “Animals” This study found that genetic variants in the goat KRTAP22-2 gene are associated with the mean fiber diameter of cashmere in Longdong Cashmere goats, suggesting these variants could serve as molecular markers for improving cashmere traits.
92 citations
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January 2012 in “International Journal of Biological Sciences” This article proposes an updated naming system for keratin-associated proteins and genes, aiming to improve data storage and retrieval by including species information and genetic variation.
29 citations
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September 2017 in “Genes” This study found that in Merino-Southdown cross sheep, the presence of the C variant of the KRTAP26-1 gene was associated with higher wool quality, including increased wool yield and staple length.
September 2025 in “Animals” This study identified novel genetic variations in the KRTAP22-2 gene among eight sheep breeds but found no association between these genotypes and wool fibre traits, indicating possible species-specific differences compared to goats.
July 2025 in “International Journal of Molecular Sciences” This genetic study identified four new keratin-associated protein genes in sheep, revealing significant sequence variation and suggesting complex evolutionary dynamics, with unique variants in some sheep breeds linking them to Romanov sheep ancestry.
26 citations
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January 2011 in “Open Journal of Genetics” In this study, researchers identified five unique sequences of the ovine KAP13-3 gene, with potential implications for wool traits due to observed amino acid changes.
17 citations
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October 2017 in “Scientific reports” This study found that Super Merino sheep have a higher wool follicle density, finer fleece, and distinct gene expression compared to Small Tail Han sheep, which may inform future breeding and genetic interventions.
48 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” This article reviews the genetic and protein interactions involved in hair growth, highlighting regulatory sequences, expression patterns, and potential genetic modifications, but presents no new experimental findings.
5 citations
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February 2019 in “PloS one” This study found that structural defects in the hair shafts of sighthounds with bald thigh syndrome are related to a downregulation of genes and proteins essential for hair shaft formation.
January 2019 in “Durham e-Theses (Durham University)” This study utilized advanced imaging techniques to quantify hair damage and dye uptake dynamics, revealing that compound penetration in hair is influenced by molecule size and lipophilicity.
This Ph.D. project aims to evaluate the self-assembling potential of hair keratin extracts and study the cellular response to both crude and purified keratins, highlighting their potential applications from biomedical to water remediation.
35 citations
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April 2014 in “Journal of proteomics” In this study, experimentally induced weight loss in merino sheep led to a decrease in wool fiber diameter and increased expression of certain high sulfur and glycine-tyrosine proteins, potentially impacting wool quality and industry preferences.
25 citations
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September 2014 in “SpringerPlus” This study found that sheep possess a polymorphic KAP8-2 gene that shares high sequence identity with the KAP8-2 gene in goats and reindeer.
98 citations
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May 2016 in “Genes” This review explains the genetic diversity of sheep wool keratin-associated protein genes and explores how this variation might be leveraged for selective breeding to enhance wool fiber traits.