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GBS Data Identify Pigmentation-Specific Genes of Potential Role in Skin-Photosensitization in Two Tunisian Sheep Breeds

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posted on 2023-05-03, 20:11 authored by Imen Baazaoui, John McEwanJohn McEwan, Rayna AndersonRayna Anderson, Rudiger BrauningRudiger Brauning, Alan McCulloch, Tracey Van StijnTracey Van Stijn, Sonia Bedhiaf-Romdhani
The Tunisian Noire de Thibar sheep breed is a composite breed, recently selected to create animals that are uniformly black in order to avoid skin photosensitization after the ingestion of toxic “hypericum perforatum” weeds, which causes a major economic loss to sheep farmers. We assessed genetic differentiation and estimated marker FST using genotyping-by-sequencing (GBS) data in black (Noire de Thibar) and related white-coated (Queue fine de l’ouest) sheep breeds to identify signals of artificial selection. The results revealed the selection signatures within candidate genes related to coat color, which are assumed to be indirectly involved in the mechanism of photosensitization in sheep. The identified genes could provide important information for molecular breeding.

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© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

Language

  • English

Does this contain Māori information or data?

  • No

Publisher

MDPI

Journal title

Animals

ISSN

2076-2615

Citation

Baazaoui, I., McEwan, J., Anderson, R., Brauning, R., McCulloch, A., Van Stijn, T., & Bedhiaf-Romdhani, S. (2019). GBS Data Identify Pigmentation-Specific Genes of Potential Role in Skin-Photosensitization in Two Tunisian Sheep Breeds. Animals, 10(1), 5. doi:10.3390/ani10010005

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