Genetic basis of phenotypic plasticity and genotype × environment interactions in a multi-parental tomato population

© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Détails bibliographiques
Publié dans:Journal of experimental botany. - 1985. - 71(2020), 18 vom: 19. Sept., Seite 5365-5376
Auteur principal: Diouf, Isidore (Auteur)
Autres auteurs: Derivot, Laurent, Koussevitzky, Shai, Carretero, Yolande, Bitton, Frédérique, Moreau, Laurence, Causse, Mathilde
Format: Article en ligne
Langue:English
Publié: 2020
Accès à la collection:Journal of experimental botany
Sujets:Journal Article Research Support, Non-U.S. Gov't Abiotic stresses MAGIC population QTL genotype × environment interaction (G×E) phenotypic plasticity tomato
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500 |a CommentIn: J Exp Bot. 2020 Sep 19;71(18):5295-5297. doi: 10.1093/jxb/eraa268. - PMID 32949243 
500 |a Citation Status MEDLINE 
520 |a © The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology. 
520 |a Deciphering the genetic basis of phenotypic plasticity and genotype × environment interactions (G×E) is of primary importance for plant breeding in the context of global climate change. Tomato (Solanum lycopersicum) is a widely cultivated crop that can grow in different geographical habitats and that displays a great capacity for expressing phenotypic plasticity. We used a multi-parental advanced generation intercross (MAGIC) tomato population to explore G×E and plasticity for multiple traits measured in a multi-environment trial (MET) comprising optimal cultural conditions together with water deficit, salinity, and heat stress over 12 environments. Substantial G×E was observed for all the traits measured. Different plasticity parameters were estimated by employing Finlay-Wilkinson and factorial regression models and these were used together with genotypic means for quantitative trait loci (QTL) mapping analyses. In addition, mixed linear models were also used to investigate the presence of QTL × environment interactions. The results highlighted a complex genetic architecture of tomato plasticity and G×E. Candidate genes that might be involved in the occurrence of G×E are proposed, paving the way for functional characterization of stress response genes in tomato and for breeding climate-adapted cultivars 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Abiotic stresses 
650 4 |a MAGIC population 
650 4 |a QTL 
650 4 |a genotype × environment interaction (G×E) 
650 4 |a phenotypic plasticity 
650 4 |a tomato 
700 1 |a Derivot, Laurent  |e verfasserin  |4 aut 
700 1 |a Koussevitzky, Shai  |e verfasserin  |4 aut 
700 1 |a Carretero, Yolande  |e verfasserin  |4 aut 
700 1 |a Bitton, Frédérique  |e verfasserin  |4 aut 
700 1 |a Moreau, Laurence  |e verfasserin  |4 aut 
700 1 |a Causse, Mathilde  |e verfasserin  |4 aut 
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