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Correlated rates of synonymous site evolution across plant genomes

journal contribution
posted on 2023-06-07, 20:23 authored by Adam Eyre-WalkerAdam Eyre-Walker, B S Gaut
Synonymous substitution rates have been shown to vary among evolutionary lineages of both nuclear and organellar genes across a broad range of taxonomic groups. In animals, rate heterogeneity does not appear to be correlated across nuclear and mitochondrial genes. In this paper, we contrast substitution rates in two plant groups and show that grasses evolve more rapidly than palms at synonymous sites in a mitochondrial, a nuclear, and a plastid gene. Furthermore, we show that the relative rates of synonymous substitution between grasses and palms are similar at the three loci. The correlation in synonymous substitution rates across genes is particularly striking because the three genes evolve at very different absolute rates. In contrast, relative rates of nonsynonymous substitution are not conserved among the three genes.

History

Publication status

  • Published

Journal

Molecular Biology and Evolution

Issue

4

Volume

14

Page range

455-460

Pages

6.0

Department affiliated with

  • Evolution, Behaviour and Environment Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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