Asset Details
Do you wish to reserve the book?
The costs of being male: are there sex-specific effects of uniparental mitochondrial inheritance?
Hey, we have placed the reservation for you!
By the way, why not check out events that you can attend while you pick your title.
Oops! Something went wrong.
Looks like we were not able to place the reservation. Kindly try again later.
Are you sure you want to remove the book from the shelf?
The costs of being male: are there sex-specific effects of uniparental mitochondrial inheritance?
Do you wish to request the book?
The costs of being male: are there sex-specific effects of uniparental mitochondrial inheritance?
Please be aware that the book you have requested cannot be checked out. If you would like to checkout this book, you can reserve another copy
We have requested the book for you!
Your request is successful and it will be processed during the Library working hours. Please check the status of your request in My Requests.
Oops! Something went wrong.
Looks like we were not able to place your request. Kindly try again later.
Journal Article
The costs of being male: are there sex-specific effects of uniparental mitochondrial inheritance?
2014
Overview
Eukaryotic cells typically contain numerous mitochondria, each with multiple copies of their own genome, the mtDNA. Uniparental transmission of mitochondria, usually via the mother, prevents the mixing of mtDNA from different individuals. While on the one hand, this should resolve the potential for selection for fast-replicating mtDNA variants that reduce organismal fitness, maternal inheritance will, in theory, come with another set of problems that are specifically relevant to males. Maternal inheritance implies that the mitochondrial genome is never transmitted through males, and thus selection can target only the mtDNA sequence when carried by females. A consequence is that mtDNA mutations that confer male-biased phenotypic expression will be prone to evade selection, and accumulate. Here, we review the evidence from the ecological, evolutionary and medical literature for male specificity of mtDNA mutations affecting fertility, health and ageing. While such effects have been discovered experimentally in the laboratory, their relevance to natural populations—including the human population—remains unclear. We suggest that the existence of male expression-biased mtDNA mutations is likely to be a broad phenomenon, but that these mutations remain cryptic owing to the presence of counter-adapted nuclear compensatory modifier mutations, which offset their deleterious effects.
Publisher
The Royal Society
Subject
/ Animals
/ DNA, Mitochondrial - genetics
/ DNA, Mitochondrial - metabolism
/ Female
/ Gene Duplication - physiology
/ Genetic Variation - genetics
/ Genetic Variation - physiology
/ Genome, Mitochondrial - genetics
/ Genome, Mitochondrial - physiology
/ Humans
/ Male
/ Review
/ Selection, Genetic - genetics
