An epigenetic alphabet of crop adaptation to climate change

Guarino Francesco, Cicatelli Angela, Castiglione Stefano, Agius Dolores R., Orhun Gul Ebru, Fragkostefanakis Sotirios, Leclercq Julie, Dobránszki Judit, Kaiserli Eirini, Lieberman-Lazarovich Michal, Sõmera Merike, Sarmiento Cecilia, Vettori Cristina, Paffetti Donatella, Poma Anna M.G., Moschou Panagiotis N., Gašparović Mateo, Yousefi Sanaz, Vergata Chiara, Berger Margot M.J., Gallusci Philippe, Miladinović Dragana, Martinelli Federico. 2022. An epigenetic alphabet of crop adaptation to climate change. Frontiers in Genetics, 13:818727, 18 p.

Résumé : Crop adaptation to climate change is in a part attributed to epigenetic mechanisms which are related to response to abiotic and biotic stresses. Although recent studies increased our knowledge on the nature of these mechanisms, epigenetics remains under-investigated and still poorly understood in many, especially non-model, plants, Epigenetic modifications are traditionally divided into two main groups, DNA methylation and histone modifications that lead to chromatin remodeling and the regulation of genome functioning. In this review, we outline the most recent and interesting findings on crop epigenetic responses to the environmental cues that are most relevant to climate change. In addition, we discuss a speculative point of view, in which we try to decipher the “epigenetic alphabet” that underlies crop adaptation mechanisms to climate change. The understanding of these mechanisms will pave the way to new strategies to design and implement the next generation of cultivars with a broad range of tolerance/resistance to stresses as well as balanced agronomic traits, with a limited loss of (epi)genetic variability.

Mots-clés Agrovoc : changement climatique, adaptation aux changements climatiques, expression des gènes, stress abiotique, méthylation, histone, stress biotique, amélioration des plantes

Mots-clés libres : Abiotic stresses, Adaptation, Climate Change, Epigenetics, Environmental stresses, Epigenetic code

Agences de financement hors UE : European Cooperation in Science and Technology, Ministry for Innovation and Technology in Hungary, University of Debrecen, Ministry of Education, Science and Technological Development of the Republic of Serbia

Auteurs et affiliations

• Guarino Francesco, Università Degli Studi di Salerno (ITA)
• Cicatelli Angela, Università Degli Studi di Salerno (ITA)
• Castiglione Stefano, Università Degli Studi di Salerno (ITA)
• Agius Dolores R., University of Malta (MLT)
• Orhun Gul Ebru, Canakkale Onsekiz Mart University (TUR)
• Fragkostefanakis Sotirios, Goethe University (DEU)
• Leclercq Julie, CIRAD-BIOS-UMR AGAP (FRA) ORCID: 0000-0001-8110-3762
• Dobránszki Judit, University of Debrecen (HUN)
• Kaiserli Eirini, University of Glasgow (GBR)
• Lieberman-Lazarovich Michal, Agricultural Research Organization Volcani Center (ISR)
• Sõmera Merike, Tallinn University of Technology (EST)
• Sarmiento Cecilia, Tallinn University of Technology (EST)
• Vettori Cristina, National Research Council (ITA)
• Paffetti Donatella, University of Florence (ITA)
• Poma Anna M.G., Université de l'Aquila (ITA)
• Moschou Panagiotis N., Université de Crète (GRC)
• Gašparović Mateo, University of Zagreb (HRV)
• Yousefi Sanaz, Bu-Ali Sina University (IRN)
• Vergata Chiara, University of Florence (ITA)
• Berger Margot M.J., INRAE (FRA)
• Gallusci Philippe, INRAE (FRA)
• Miladinović Dragana, National Institute of Republic of Serbi (SRB) - auteur correspondant
• Martinelli Federico, University of Florence (ITA) - auteur correspondant

Source : Cirad-Agritrop (https://agritrop.cirad.fr/611100/)

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