Natural and Artificial Mechanisms of Mitochondrial Genome Elimination

Overview

Journal Life (Basel)

Specialty Biology

Date 2021 Jan 27

PMID 33498399

Citations 3

Authors

Elvira G Zakirova

Vladimir V Muzyka

Ilya O Mazunin

Konstantin E Orishchenko

Affiliations

Soon will be listed here.

Abstract

The generally accepted theory of the genetic drift of mitochondrial alleles during mammalian ontogenesis is based on the presence of a selective bottleneck in the female germline. However, there is a variety of different theories on the pathways of genetic regulation of mitochondrial DNA (mtDNA) dynamics in oogenesis and adult somatic cells. The current review summarizes present knowledge on the natural mechanisms of mitochondrial genome elimination during mammalian development. We also discuss the variety of existing and developing methodologies for artificial manipulation of the mtDNA heteroplasmy level. Understanding of the basics of mtDNA dynamics will shed the light on the pathogenesis and potential therapies of human diseases associated with mitochondrial dysfunction.

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