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  Hybridization facilitates evolutionary rescue

Stelkens, R. B., Brockhurst, M. A., Hurst, G. D. D., & Greig, D. (2014). Hybridization facilitates evolutionary rescue. Evolutionary Applications, 7(10), 1209-1217. doi:10.1111/eva.12214.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-5491-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-B5FE-C
Genre: Journal Article

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Stelkens_et_al_2014.pdf (Publisher version), 186KB
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 Creators:
Stelkens, Rike B., Author
Brockhurst, Michael A., Author
Hurst, Gregory D. D., Author
Greig, Duncan1, Author              
Affiliations:
1Max-Planck Research Group Experimental Evolution, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445640              

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Free keywords: evolutionary rescue; extinction, genetic variation; global change; hybridization; Saccharomyces
 Abstract: The resilience of populations to rapid environmental degradation is a major concern for biodiversity conservation. When environments deteriorate to lethal levels, species must evolve to adapt to the new conditions to avoid extinction. Here, we test the hypothesis that evolutionary rescue may be enabled by hybridization, because hybridization increases genetic variability. Using experimental evolution, we show that interspecific hybrid populations of Saccharomyces yeast adapt to grow in more highly degraded environments than intraspecific and parental crosses, resulting in survival rates far exceeding those of their ancestors. We conclude that hybridization can increase evolutionary responsiveness and that taxa able to exchange genes with distant relatives may better survive rapid environmental change.

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Language(s): eng - English
 Dates: 2014-04-242014-08-052014-09-252014-12-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1111/eva.12214
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Title: Evolutionary Applications
Source Genre: Journal
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Publ. Info: Wiley-Blackwell
Pages: - Volume / Issue: 7 (10) Sequence Number: - Start / End Page: 1209 - 1217 Identifier: ISSN: 1752-4571 (online)
ISSN: 1752-4563 (print)
CoNE: /journals/resource/1752-4563