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Article

Contrasting patterns of synonymous and nonsynonymous sequence evolution in asexual and sexual freshwater snail lineages.

Evolution; international journal of organic evolution - 1 Nov 2007

Johnson Steven G, Howard R Stephen

Abstract excerpt

In asexual lineages, both synonymous and nonsynonymous sequence polymorphism may be reduced due to severe founder effects when asexual lineages originate. However, mildly deleterious (nonsynonymous) mutations may accumulate after asexual lineages are formed, because the efficiency of purifying selection is reduced even in the nonrecombining mitochondrial genome. Here we examine patterns of synonymous and...

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Identifiers

PMID: 17908244
DOI: 10.1111/j.1558-5646.2007.00233.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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