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Historical Genomes ...
Historical Genomes Reveal the Genomic Consequences of Recent Population Decline in Eastern Gorillas
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- van der Valk, Tom (author)
- Naturhistoriska riksmuseet,Uppsala universitet,Zooekologi,Enheten för bioinformatik och genetik
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- Diez-del-Molino, David (author)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik,Swedish Museum Nat Hist, Dept Bioinformat & Genet, Stockholm, Sweden
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- Marques-Bonet, Tomas (author)
- UPF CSIC, PRBB, Inst Evolutionary Biol, Barcelona, Spain; Catalan Inst Res & Adv Studies ICREA, Barcelona, Spain; BIST, CRG, CNAG CRG, Barcelona, Spain; Univ Autonoma Barcelona, Inst Catala Paleontol Miguel Crusafont, Edif ICTA ICP, Barcelona, Spain
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- Guschanski, Katerina, Dr. 1978- (author)
- Uppsala universitet,Zooekologi
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- Dalen, Love (author)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik,Swedish Museum Nat Hist, Dept Bioinformat & Genet, Stockholm, Sweden
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(creator_code:org_t)
- Elsevier BV, 2019
- 2019
- English.
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In: Current Biology. - : Elsevier BV. - 0960-9822 .- 1879-0445. ; 29:1, s. 165-170.e6
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https://doi.org/10.1...
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Abstract
Subject headings
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- Many endangered species have experienced severe population declines within the last centuries [1, 2]. However, despite concerns about negative fitness effects resulting from increased genetic drift and inbreeding, there is a lack of empirical data on genomic changes in conjunction with such declines [3-7]. Here, we use whole genomes recovered from century-old historical museum specimens to quantify the genomic consequences of small population size in the critically endangered Grauer's and endangered mountain gorillas. We find a reduction of genetic diversity and increase in inbreeding and genetic load in the Grauer's gorilla, which experienced severe population declines in recent decades. In contrast, the small but relatively stable mountain gorilla population has experienced little genomic change during the last century. These results suggest that species histories as well as the rate of demographic change may influence how population declines affect genome diversity.
Subject headings
- NATURVETENSKAP -- Biologi -- Annan biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Other Biological Topics (hsv//eng)
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Keyword
- conservation genomics
- critically endangered
- genetic load
- genome erosion
- inbreeding
- museum collections
- Diversity of life
Publication and Content Type
- ref (subject category)
- art (subject category)
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