High mitogenomic evolutionary rates and time dependency

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Title: High mitogenomic evolutionary rates and time dependency
Author/Creator: Subramanian, Sankar | Denver, D R | Millar, C D | Heupink, T | Aschrafi, A | Emslie, S D | Baroni, C | Lambert, D M
Description: Using entire modern and ancient mitochondrial genomes of Adélie penguins (Pygoscelis adeliae) that are up to 44000 years old, we show that the rates of evolution of the mitochondrial genome are two to six times greater than those estimated from phylogenetic comparisons. Although the rate of evolution at constrained sites, including nonsynonymous positions and RNAs, varies more than twofold with time (between shallow and deep nodes), the rate of evolution at synonymous sites remains the same. The time-independent neutral evolutionary rates reported here would be useful for the study of recent evolutionary events. © 2009.
Relation: Trends in Genetics / Vol. 25, No. 11, pp.482-486
Relation: http://dx.doi.org/10.1016/j.tig.2009.09.005
Year: 2009
Publisher: Elsevier Ltd.
Subject: FoR 06 (Biological Sciences) | FoR 11 (Medical and Health Sciences) | Adelie penguins | evolution

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