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Genetic diversity and autozygosity estimates in wild european boars and domesticated pigs
- Authors: Bakoev S.Y.1, Romanets T.S.2, Korobeinikova A.V.1, Mishina A.I.1, Kolosova M.A.2, Romanets E.A.2, Kolosov A.Y.2, Getmantseva L.V.1
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Affiliations:
- Centre for Strategic Planning and Management of Biomedical Health Risks
- Don State Agrarian University
- Issue: Vol 21, No 4 (2023)
- Pages: 343-355
- Section: Genetic basis of ecosystems evolution
- URL: https://journals.eco-vector.com/ecolgenet/article/view/569181
- DOI: https://doi.org/10.17816/ecogen569181
- ID: 569181
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Abstract
BACKGROUND: Pigs are one of the most widely distributed domestic animals. The study of their genetic diversity and selection loci is of great interest both in the field of genetics and animal breeding, and in the aspect of conservation and development of breeding resources and food security.
AIM: The aim of the presented work is to evaluate the autozygosity and the distribution of autozygosity segments (HBD) in wild boars and pigs of the main commercial breeds: Large White, Landrace and Duroc, and to search for selection loci related to adaptation to habitat conditions and selection pressure.
MATERIALS AND METHODS: The aim of the presented work is to evaluate the autozygosity and distribution of autozygosity segments (HBD) in wild boars and domestic pigs of the main commercial breeds: Large White, Landrace and Duroc, and to search for selection loci related to adaptation to habitat conditions and selection pressure.
RESULTS: Based on the results of the genome scan, the average autozygosity values in boars and pigs were in the range of 0.23–0.29, but in boars about 0.08 of the genome share is covered by HBD segments, presumably originating from ancestors who lived about 206 years ago; in pigs — originating from ancestors who lived about 64 years ago.
CONCLUSIONS: Only 3 segments met the criteria for top-HBD (frequency of at least 60% and at least 10 SNPs) in boars. In Large White, Landrace and Duroc pigs, 18, 9 and 35 segments were identified, respectively. In general, the analysis of HBD segments showed that they reflect the main breeding strategies aimed at developing commercial pigs.
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About the authors
Sirozhdin Y. Bakoev
Centre for Strategic Planning and Management of Biomedical Health Risks
Email: SBakoev@cspfmba.ru
ORCID iD: 0000-0002-0324-3580
SPIN-code: 4908-9038
Cand. Sci. (Biology)
Russian Federation, MoscowTimofei S. Romanets
Don State Agrarian University
Email: timofey_8877@mail.ru
ORCID iD: 0000-0002-0690-4217
SPIN-code: 5720-7935
Cand. Sci. (Agricultural)
Russian Federation, Persianovsky villageAnna V. Korobeinikova
Centre for Strategic Planning and Management of Biomedical Health Risks
Email: AKorobeinikova@cspfmba.ru
ORCID iD: 0009-0003-0556-9343
Russian Federation, Moscow
Arina I. Mishina
Centre for Strategic Planning and Management of Biomedical Health Risks
Email: amishina@cspfmba.ru
ORCID iD: 0000-0003-1134-9366
SPIN-code: 2157-1051
Cand. Sci. (Biol.)
Russian Federation, MoscowMariya A. Kolosova
Don State Agrarian University
Email: m.leonovaa@mail.ru
ORCID iD: 0000-0003-2979-7108
SPIN-code: 2285-8785
Cand. Sci. (Agricultural)
Russian Federation, Persianovsky villageElena A. Romanets
Don State Agrarian University
Email: lena9258@mail.ru
ORCID iD: 0000-0003-2824-9564
SPIN-code: 9391-9975
Russian Federation, Persianovsky village
Anatolii Y. Kolosov
Don State Agrarian University
Email: kolosov777@gmail.com
ORCID iD: 0000-0002-6583-8942
SPIN-code: 8231-1295
Cand. Sci. (Agricultural)
Russian Federation, Persianovsky villageLyubov V. Getmantseva
Centre for Strategic Planning and Management of Biomedical Health Risks
Author for correspondence.
Email: LGetmantseva@cspfmba.ru
ORCID iD: 0000-0003-1868-3148
SPIN-code: 7571-1264
Dr. Sci. (Biology)
Russian Federation, MoscowReferences
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