Article
Intra-individual purifying selection on mitochondrial DNA variants during human oogenesis.
Human reproduction (Oxford, England) - 1 May 2017
De Fanti Sara, Vicario Saverio, Lang Martin, Simone Domenico, Magli Cristina, Luiselli Donata, Gianaroli Luca, Romeo Giovanni
Abstract excerpt
STUDY QUESTION: Does selection for mtDNA mutations occur in human oocytes? SUMMARY ANSWER: We provide statistical evidence in favor of the existence of purifying selection for mtDNA mutations in human oocytes acting between the expulsion of the first and second polar bodies (PBs). WHAT IS KNOWN ALREADY: Several lines of evidence in Metazoa, including humans, indicate that variation within the germline of...
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