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  The pace of evolution across fitness valleys

Gokhale, C. S., Iwasa, Y., Nowak, M. A., & Traulsen, A. (2009). The pace of evolution across fitness valleys. Journal of Theoretical Biology, 259(3), 613-620. doi:10.1016/j.jtbi.2009.04.011.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D583-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-D5E5-A
Genre: Journal Article

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Gokhale_2009_Journal-of-Theoretical-Biology.pdf (Publisher version), 12KB
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 Creators:
Gokhale, Chaitanya S.1, 2, Author              
Iwasa, Yoh, Author
Nowak, Martin A., Author
Traulsen, Arne1, 2, Author              
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              
2Research Group Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445641              

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Free keywords: finite populations; stochastic tunneling; evolutionary speed
 Abstract: How fast does a population evolve from one fitness peak to another? We study the dynamics of evolving, asexually reproducing populations in which a certain number of mutations jointly confer a fitness advantage. We consider the time until a population has evolved from one fitness peak to another one with a higher fitness. The order of mutations can either be fixed or random. If the order of mutations is fixed, then the population follows a metaphorical ridge, a single path. If the order of mutations is arbitrary, then there are many ways to evolve to the higher fitness state. We address the time required for fixation in such scenarios and study how it is affected by the order of mutations, the population size, the fitness values and the mutation rate.

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Language(s): eng - English
 Dates: 2009-04-032009-02-062009-04-032009-04-102009-08-07
 Publication Status: Published in print
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 Identifiers: DOI: 10.1016/j.jtbi.2009.04.011
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Title: Journal of Theoretical Biology
  Abbreviation : J. Theor. Biol.
Source Genre: Journal
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Publ. Info: London : Elsevier
Pages: - Volume / Issue: 259 (3) Sequence Number: - Start / End Page: 613 - 620 Identifier: ISSN: 1095-8541
ISSN: 0022-5193
CoNE: https://pure.mpg.de/cone/journals/resource/954922646048