Hearing silence: non-neutral evolution at synonymous sites in mammals

J V Chamary, J L Parmley, L D Hurst

Research output: Contribution to journalArticlepeer-review

649 Citations (SciVal)


Although the assumption of the neutral theory of molecular evolution - that some classes of mutation have too small an effect on fitness to be affected by natural selection seems intuitively reasonable, over the past few decades the theory has been in retreat. At least in species with large populations, even synonymous mutations in exons are not neutral. By contrast, in mammals, neutrality of these mutations is still commonly assumed. However, new evidence indicates that even some synonymous mutations are subject to constraint, often because they affect splicing and/or mRNA stability. This has implications for understanding disease, optimizing transgene design, detecting positive selection and estimating the mutation rate.
Original languageEnglish
Pages (from-to)98-108
Number of pages11
JournalNature Reviews Genetics
Issue number2
Publication statusPublished - 2006

Bibliographical note

ID number: ISI:000234714000012


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