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Identification of l...
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Johansson, ÅsaUppsala universitet,Institutionen för genetik och patologi
(author)
Identification of local selective sweeps in human populations since the exodus from Africa
- Article/chapterEnglish2008
Publisher, publication year, extent ...
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2008-05-27
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Springer Science and Business Media LLC,2008
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:uu-95153
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-95153URI
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https://doi.org/10.1111/j.0018-0661.2008.02054.xDOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Selection on the human genome has been studied using comparative genomics and SNP architecture in the lineage leading to modern humans. In connection with the African exodus and colonization of other continents, human populations have adapted to a range of different environmental conditions. Using a new method that jointly analyses haplotype block length and allele frequency variation (F-ST) within and between populations, we have identified chromosomal regions that are candidates for having been affected by local selection. Based on 1.6 million SNPs typed in 71 individuals of African American, European American and Han Chinese descent, we have identified a number of genes and non- coding regions that are candidates for having been subjected to local positive selection during the last 100 000 years. Among these genes are those involved in skin pigmentation (SLC24A5) and diet adaptation (LCT). The list of genes implicated in these local selective sweeps overlap partly with those implicated in other studies of human populations using other methods, but show little overlap with those postulated to have been under selection in the 5 - 7 myr since the divergence of the ancestors of human and chimpanzee. Our analysis provides focal points in the genome for detailed studies of evolutionary events that have shaped human populations as they explored different regions of the world.
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Gyllensten, UlfUppsala universitet,Institutionen för genetik och patologi(Swepub:uu)ulfgyll
(author)
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Uppsala universitetInstitutionen för genetik och patologi
(creator_code:org_t)
Related titles
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In:Hereditas: Springer Science and Business Media LLC145:3, s. 126-1370018-06611601-5223
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