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Inbreeding and gene...
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Song, Kai,1988-Uppsala universitet,Zooekologi,Chinese Acad Sci, Inst Zool, Key Lab Anim Ecol & Conservat Biol, Beijing 100101, Peoples R China
(författare)
Inbreeding and genetic load in a pair of sibling grouse species : Tetrastes sewersowi and T. bonasia
- Artikel/kapitelEngelska2024
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Elsevier,2024
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:uu-534287
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-534287URI
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https://doi.org/10.1016/j.avrs.2024.100184DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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De två första författarna delar förstaförfattarskapet
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Genetic load and inbreeding are recognized as important factors to be considered in conservation programs. Elevated levels of both can increase the risk of population extinction by negatively impacting fitness-related characters in many species of plants and animals, including humans (inbreeding depression). Genomic techniques are increasingly used in measuring and understanding genetic load and inbreeding and their importance in evolution and conservation. We used whole genome resequencing data from two sibling grouse species in subarctic Eurasia to quantify both. We found a large range of inbreeding measured as FROH (fraction of runs of homozygosity) in individuals from different populations of Chinese Grouse (Tetrastes sewerzowi) and Hazel Grouse (T. bonasia). FROH estimated from genome-wide runs of homozygosity (ROH) ranged from 0.02 to 0.24 among Chinese Grouse populations and from 0.01 to 0.44 in Hazel Grouse. Individuals from a population of Chinese Grouse residing in the Qilian mountains and from the European populations of Hazel Grouse (including samples from Sweden, Germany and Northeast Poland) were the most inbred (FROH ranged from 0.10 to 0.23 and 0.11 to 0.44, respectively). These levels are comparable to other highly inbred populations of birds. Hazel Grouse from northern China and Chinese Grouse residing in the Qinghai-Tibetan Plateau showed relatively lower inbreeding levels. Comparisons of the ratio between deleterious missense mutations and synonymous mutations revealed higher levels in Chinese Grouse as compared to Hazel Grouse. These results are possibly explained by higher fixation rates, mutational melt down, in the range-restricted Chinese Grouse compared to the wide-ranging Hazel Grouse. However, when we compared the relatively more severe class of loss-of-function mutations, Hazel Grouse had slightly higher levels than Chinese Grouse, a result which may indicate that purifying selection (purging) has been more efficient in Chinese Grouse on this class of mutations.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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van der Valk, TomUppsala universitet,Molekylär evolution(Swepub:uu)tomva862
(författare)
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Gao, BinChinese Acad Sci, Inst Zool, Key Lab Anim Ecol & Conservat Biol, Beijing 100101, Peoples R China.
(författare)
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Halvarsson, PeterSwedish Univ Agr Sci, Dept Biomed & Vet Publ Hlth, Unit Parasitol, POB 7036, S-75007 Uppsala, Sweden.
(författare)
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Fang, YunChinese Acad Sci, Inst Zool, Key Lab Anim Ecol & Conservat Biol, Beijing 100101, Peoples R China.
(författare)
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Xie, WendongChinese Acad Sci, Inst Zool, Key Lab Anim Ecol & Conservat Biol, Beijing 100101, Peoples R China.
(författare)
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Klaus, SiegfriedHinterweg 23, D-07749 Jena, Germany.
(författare)
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Han, ZhimingChinese Acad Sci, Inst Zool, State Key Lab Reprod Biol, Beijing 100101, Peoples R China.
(författare)
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Sun, Yue-HuaChinese Acad Sci, Inst Zool, Key Lab Anim Ecol & Conservat Biol, Beijing 100101, Peoples R China.
(författare)
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Höglund, JacobUppsala universitet,Zooekologi(Swepub:uu)jacohogl
(författare)
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Uppsala universitetZooekologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Avian Research: Elsevier152053-7166
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Song, Kai, 1988-
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van der Valk, To ...
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Gao, Bin
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Halvarsson, Pete ...
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Fang, Yun
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Xie, Wendong
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Klaus, Siegfried
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Han, Zhiming
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Sun, Yue-Hua
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Höglund, Jacob
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