Article
Strong purifying selection in transmission of mammalian mitochondrial DNA.
PLoS biology - 1 Jan 2008
Stewart James Bruce, Freyer Christoph, Elson Joanna L, Wredenberg Anna, Cansu Zekiye, Trifunovic Aleksandra, Larsson Nils-Göran
Abstract excerpt
There is an intense debate concerning whether selection or demographics has been most important in shaping the sequence variation observed in modern human mitochondrial DNA (mtDNA). Purifying selection is thought to be important in shaping mtDNA sequence evolution, but the strength of this selection has been debated, mainly due to the threshold effect of pathogenic mtDNA mutations and an observed excess of new...
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