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- Li, ShijunHuazhong Agr Univ, Key Lab Agr Anim Genet Breeding & Reprod, Minist Educ, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Vet Med, Wuhan 430070, Peoples R China. (författare)
Genetic structure and characteristics of Tibetan chickens
- Artikel/kapitelEngelska2023
Förlag, utgivningsår, omfång ...
- Elsevier,2023
- electronicrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:uu-508178
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-508178URI
- https://doi.org/10.1016/j.psj.2023.102767DOI
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- Språk:engelska
- Sammanfattning på:engelska
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- Tibetan chicken is one of the most common and widely distributed highland breeds, and is often used as a model organism for understanding genetic adaptation to extreme environments in Tibet. Despite its apparent geographical diversity and large variations in plumage patterns, the genetic differences within breed were not accounted for in most studies and have not been systematically investigated. In order to reveal and genetically differentiate the current existing TBC sub populations that might have major implications for genomic research in TBCs, we systematically evaluated the population structure and demography of current TBC populations. Based on 344 whole-genome sequenced birds including 115 Tibetan chickens that were mostly sampled from family-farms across Tibet, we revealed a clear separation of Tibetan chickens into 4 sub-populations that broadly aligns with their geographical distribution. Moreover, population structure, population size dynamics, and the extent of admixture jointly suggest complex demographic histories of these sub-populations, including possible multiple origins, inbreeding, and introgressions. While most of the candidate selected regions found between the TBC sub populations and Red Jungle fowls were nonoverlapping, 2 genes RYR2 and CAMK2D were revealed as strong selection candidates in all 4 sub-populations. These 2 previously identified high altitude associated genes indicated that the sub-populations responded to similar selection pressures in an independent but functionally similar fashion. Our results demonstrate robust population structure in Tibetan chickens that will help inform future genetic analyses on chickens and other domestic animals alike in Tibet, recommending thoughtful experimental design.
Ämnesord och genrebeteckningar
- NATURVETENSKAP Biologi Genetik hsv//swe
- NATURAL SCIENCES Biological Sciences Genetics hsv//eng
- NATURVETENSKAP Biologi Evolutionsbiologi hsv//swe
- NATURAL SCIENCES Biological Sciences Evolutionary Biology hsv//eng
- Tibetan chicken
- population structure
- complex demography
- genetic analyses
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Zhang, XiaojianHuazhong Agr Univ, Key Lab Agr Anim Genet Breeding & Reprod, Minist Educ, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Vet Med, Wuhan 430070, Peoples R China. (författare)
- Dong, XinyuHuazhong Agr Univ, Key Lab Agr Anim Genet Breeding & Reprod, Minist Educ, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Vet Med, Wuhan 430070, Peoples R China. (författare)
- Guo, RuiyangHuazhong Agr Univ, Key Lab Agr Anim Genet Breeding & Reprod, Minist Educ, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Vet Med, Wuhan 430070, Peoples R China. (författare)
- Nan, JiuhongHuazhong Agr Univ, Key Lab Agr Anim Genet Breeding & Reprod, Minist Educ, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Vet Med, Wuhan 430070, Peoples R China. (författare)
- Yuan, JingweiChinese Acad Agr Sci, Inst Anim Sci, Beijing, Peoples R China. (författare)
- Schlebusch, Carina,1977-Uppsala universitet,Människans evolution(Swepub:uu)carsc977 (författare)
- Sheng, ZheyaHuazhong Agr Univ, Key Lab Agr Anim Genet Breeding & Reprod, Minist Educ, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Vet Med, Wuhan 430070, Peoples R China. (författare)
- Huazhong Agr Univ, Key Lab Agr Anim Genet Breeding & Reprod, Minist Educ, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan 430070, Peoples R China.;Huazhong Agr Univ, Coll Vet Med, Wuhan 430070, Peoples R China.Chinese Acad Agr Sci, Inst Anim Sci, Beijing, Peoples R China. (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Poultry Science: Elsevier102:80032-57911525-3171
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