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Cytonuclear interactions affect adaptive ...
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Document type :
Article dans une revue scientifique
DOI :
10.1073/pnas.1520687113
PMID :
26979961
Permalink :
http://hdl.handle.net/20.500.12210/55870
Title :
Cytonuclear interactions affect adaptive traits of the annual plant Arabidopsis thaliana in the field
Author(s) :
ROUX, Fabrice [Auteur]
Laboratoire des interactions plantes micro-organismes [LIPM]
Évolution, Écologie et Paléontologie (Evo-Eco-Paleo) - UMR 8198 [Evo-Eco-Paléo (EEP)]
Mary-Huard, Tristan [Auteur]
Laboratoire de Mathématiques et d'Informatique Appliquées [LAMIA]
Génétique Quantitative et Evolution - Le Moulon (Génétique Végétale) [GQE-Le Moulon]
Barillot, Elise [Auteur]
Mathématiques et Informatique Appliquées [MIA Paris-Saclay]
Évolution, Écologie et Paléontologie (Evo-Eco-Paleo) - UMR 8198 [Evo-Eco-Paléo (EEP)]
Wenes, Estelle [Auteur]
Institut Jean-Pierre Bourgin [IJPB]
Botran, Lucy [Auteur]
Institut Jean-Pierre Bourgin [IJPB]
Durand, Stéphanie [Auteur]
Institut Jean-Pierre Bourgin [IJPB]
Villoutreix, Romain [Auteur]
Évolution, Écologie et Paléontologie (Evo-Eco-Paleo) - UMR 8198 [Evo-Eco-Paléo (EEP)]
Martin-Magniette, Marie-Laure [Auteur]
Institut des Sciences des Plantes de Paris-Saclay [IPS2 (UMR_9213 / UMR_1403)]
Mathématiques et Informatique Appliquées [MIA Paris-Saclay]
Camilleri, Christine [Auteur]
Institut Jean-Pierre Bourgin [IJPB]
Budar, Francoise [Auteur]
Institut Jean-Pierre Bourgin [IJPB]
Journal title :
Proceedings of the National Academy of Sciences of the United States of America
Pages :
3687-3692
Publisher :
National Academy of Sciences
Publication date :
2016-03-29
ISSN :
0027-8424
English keyword(s) :
cytolines
cytoplasm x nucleus interactions
fitness-related traits
plant adaptation
organelles
HAL domain(s) :
Sciences du Vivant [q-bio]/Biologie végétale
English abstract : [en]
Although the contribution of cytonuclear interactions to plant fitness variation is relatively well documented at the interspecific level, the prevalence of cytonuclear interactions at the intraspecific level remains poorly ...
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Although the contribution of cytonuclear interactions to plant fitness variation is relatively well documented at the interspecific level, the prevalence of cytonuclear interactions at the intraspecific level remains poorly investigated. In this study, we set up a field experiment to explore the range of effects that cytonuclear interactions have on fitness-related traits in Arabidopsis thaliana. To do so, we created a unique series of 56 cytolines resulting from cytoplasmic substitutions among eight natural accessions reflecting within-species genetic diversity. An assessment of these cytolines and their parental lines scored for 28 adaptive whole-organism phenotypes showed that a large proportion of phenotypic traits (23 of 28) were affected by cytonuclear interactions. The effects of these interactions varied from slight but frequent across cytolines to strong in some specific parental pairs. Two parental pairs accounted for half of the significant pairwise interactions. In one parental pair, Ct-1/Sha, we observed symmetrical phenotypic responses between the two nuclear backgrounds when combined with specific cytoplasms, suggesting nuclear differentiation at loci involved in cytonuclear epistasis. In contrast, asymmetrical phenotypic responses were observed in another parental pair, Cvi-0/Sha. In the Cvi-0 nuclear background, fecundity and phenology-related traits were strongly affected by the Sha cytoplasm, leading to a modified reproductive strategy without penalizing total seed production. These results indicate that natural variation in cytoplasmic and nuclear genomes interact to shape integrative traits that contribute to adaptation, thereby suggesting that cytonuclear interactions can play a major role in the evolutionary dynamics of A. thaliana.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
ANR Project :
Co-adaptation nucléo-cytoplasmique et phénotypes adaptatifs des plantes
Towards a Unified theory of biotic Interactions: the roLe of environmental
Université Fédérale de Toulouse
Saclay Plant Sciences
Collections :
  • Évolution, Écologie et Paléontologie (Evo Eco Paleo) - UMR 8198
Source :
Harvested from HAL
Submission date :
2021-10-10T02:00:55Z
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