Mitogenomics of the endemic Ethiopian rats: looking for footprints of adaptive evolution in sky islands.

Animals Evolution, Molecular Genetic Introgression Mitochondria / genetics Mitochondrial Proteins / chemistry Models, Molecular Murinae / classification Oxidative Phosphorylation Phylogeny Selection, Genetic Sequence Analysis, DNA / methods
Adaptation Adaptive introgression NADH dehydrogenase Oxidative phosphorylation Positive selection dN/dS

Journal

Mitochondrion
ISSN: 1872-8278
Titre abrégé: Mitochondrion
Pays: Netherlands
ID NLM: 100968751

Informations de publication

Date de publication:
03 2021
Historique:
received: 09 10 2020
revised: 18 12 2020
accepted: 30 12 2020
pubmed: 8 1 2021
medline: 3 11 2021
entrez: 7 1 2021
Statut: ppublish

Résumé

Organisms living in high altitude must adapt to environmental conditions with hypoxia and low temperature, e.g. by changes in the structure and function of proteins associated with oxidative phosphorylation in mitochondria. Here we analysed the signs of adaptive evolution in 27 mitogenomes of endemic Ethiopian rats (Stenocephalemys), where individual species adapted to different elevation. Significant signals of positive selection were detected in 10 of the 13 mitochondrial protein-coding genes, with a majority of functional substitutions in the NADH dehydrogenase complex. Higher frequency of positively selected sites was found in phylogenetic lineages corresponding to Afroalpine specialists.

Identifiants

DOI: 10.1016/j.mito.2020.12.015 PMID: 33412336
pubmed: 33412336
pii: S1567-7249(20)30246-4
doi: 10.1016/j.mito.2020.12.015
pii:
doi:

Substances chimiques

Mitochondrial Proteins 0

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

182-191

Informations de copyright

Copyright © 2020 Elsevier B.V. and Mitochondria Research Society. All rights reserved.

Auteurs

Veronika Bartáková (V)

Institute of Vertebrate Biology of the Czech Academy of Sciences, Brno, Czech Republic. Electronic address: bartakova.v@ivb.cz.

Anna Bryjová (A)

Institute of Vertebrate Biology of the Czech Academy of Sciences, Brno, Czech Republic.

Violaine Nicolas (V)

Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP51 Paris, France.

Leonid A Lavrenchenko (LA)

A. N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Moscow, Russia.

Josef Bryja (J)

Institute of Vertebrate Biology of the Czech Academy of Sciences, Brno, Czech Republic; Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic.

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Classifications MeSH

questionsmedicales.fr › Eucaryotes › Animaux › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Phénomènes biologiques › Évolution biologique › Évolution moléculaire › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Phénomènes génétiques › Sélection › Hybridation génétique › Introgression génétique › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Cellules › Structures cellulaires › Fractions subcellulaires › Mitochondries › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Acides aminés, peptides et protéines › Protéines › Protéines mitochondriales › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Techniques d'investigation › Modèles théoriques › Modèles moléculaires › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Eucaryotes › Animaux › Chordés › Vertébrés › Mammifères › Eutheria › Rodentia › Muridae › Murinae › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Métabolisme › Phosphorylation › Phosphorylation oxydative › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Sciences de l'information › Phylogenèse › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Phénomènes génétiques › Sélection génétique › Mitogenomics of the endemic Ethiopian rats:...
questionsmedicales.fr › Techniques d'investigation › Techniques génétiques › Analyse de séquence › Analyse de séquence d'ADN › Mitogenomics of the endemic Ethiopian rats:...