| Estimating the distribution of fitness effects from DNA sequence data: implications for the molecular clock. | |
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MedLine Citation:
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PMID: 12925735 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We present a method for estimating the distribution of fitness effects of new amino acid mutations when those mutations can be assumed to be slightly advantageous, slightly deleterious, or strongly deleterious. We apply the method to mitochondrial data from several different species. In the majority of the data sets, the shape of the distribution is approximately exponential. Our results provide an estimate of the distribution of fitness effects of weakly selected mutations and provide a possible explanation for why the molecular clock is fairly constant across taxa and time. |
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Authors:
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Gwenaël Piganeau; Adam Eyre-Walker |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2003-08-18 |
Journal Detail:
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Title: Proceedings of the National Academy of Sciences of the United States of America Volume: 100 ISSN: 0027-8424 ISO Abbreviation: Proc. Natl. Acad. Sci. U.S.A. Publication Date: 2003 Sep |
Date Detail:
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Created Date: 2003-09-03 Completed Date: 2003-10-23 Revised Date: 2013-04-18 |
Medline Journal Info:
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Nlm Unique ID: 7505876 Medline TA: Proc Natl Acad Sci U S A Country: United States |
Other Details:
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Languages: eng Pagination: 10335-40 Citation Subset: IM |
Affiliation:
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Centre for the Study of Evolution and School of Biological Sciences, University of Sussex, Brighton BN1 9QG, United Kingdom. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Base Sequence DNA / chemistry* Humans Mutation / genetics* |
| Chemical | |
Reg. No./Substance:
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9007-49-2/DNA |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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