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Genetic control of rhizosheath formation in pearl millet

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Titel: Genetic control of rhizosheath formation in pearl millet
Autoren: Laurent Cournac, Abadala Gamby Diédhiou, Pascal Gantet, Sixtine Passot, Laurent Laplaze, de la Fuente Canto C, Debieu M, Yves Vigouroux, Barrachina C, Diouf Mn, Wafa Achouak, Ndour Pms, Assigbetse K, Ndjido Ardo Kane, Antony Champion, Thierry Heulin, Philippe Cubry, Alexandre Grondin, Pratlong M
Weitere Verfasser: Fournier, Dominique, Diversité, adaptation, développement des plantes (UMR DIADE), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD Occitanie )-Université de Montpellier (UM), Ecologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes (UMR Eco&Sols), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro Montpellier, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), LMI IESOL Intensification Ecologique des Sols Cultivés en Afrique de l’Ouest Dakar (IESOL), Institut de recherche pour le développement (IRD Sénégal ), Université Cheikh Anta Diop de Dakar Sénégal (UCAD), Université Mohammed VI Polytechnique Ben Guerir (UM6P), Centre d'Etude Regional Pour l'Amelioration de l'Adaptation A la Secheresse (CERAAS), LMI Adaptation des Plantes et microorganismes associés aux Stress Environnementaux Dakar (LAPSE), Institut de Recherche pour le Développement (IRD), Paris-Saclay Food and Bioproduct Engineering (SayFood), AgroParisTech-Université Paris-Saclay-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut de Génomique Fonctionnelle - Montpellier GenomiX (IGF MGX), Institut de Génomique Fonctionnelle (IGF), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-BioCampus (BCM), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Institut Sénégalais de Recherches Agricoles Dakar (ISRA), Centre d’Excellence Africain en Agriculture pour la Sécurité Alimentaire et Nutritionnelle (AGRISAN), Laboratoire d'Ecologie Microbienne de la Rhizosphère et d'Environnements Extrêmes (LEMIRE), Institut de Biosciences et Biotechnologies d'Aix-Marseille (ex-IBEB) (BIAM), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Ecosystèmes continentaux et risques environnementaux (ECCOREV), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), French National Research Institute for Sustainable Development (IRD), CGIAR Research Programme on Grain Legumes and Dryland Cereals (GLDC), NewPearl grant in the frame of the CERES initiative by the Agropolis Fondation, Fondazione Cariplo (No FC 2013-0891), ANR-17-CE20-0022,RootAdapt,Traits racinaires pour l'adaptation du mil au climat futur en Afrique de l'Ouest(2017), ANR-16-IDEX-0006,MUSE,MUSE(2016), ANR-10-LABX-0001,AGRO,Agricultural Sciences for sustainable Development(2010), Université Mohammed VI Polytechnique = Mohammed VI Polytechnic University Ben Guerir (UM6P), Institut sénégalais de recherches agricoles Dakar (ISRA)
Quelle: Sci Rep
Scientific Reports, Vol 12, Iss 1, Pp 1-13 (2022)
Verlagsinformationen: Cold Spring Harbor Laboratory, 2021.
Publikationsjahr: 2021
Schlagwörter: Mechanisms of Plant Immune Response, Quantitative trait locus, 0301 basic medicine, Pennisetum, Genome-wide association study, Genotype, Science, Quantitative Trait Loci, Population, Rice Water Management and Productivity Enhancement, Plant Science, Gene, Article, [SDV.GEN.GPL]Life Sciences [q-bio]/Genetics/Plants genetics, Agricultural and Biological Sciences, MESH: Soil, Soil, 03 medical and health sciences, Sociology, [SDV.GEN.GPL] Life Sciences [q-bio]/Genetics/Plants genetics, Genetic architecture, Genetics, Root Architecture, MESH: Rhizosphere, Biology, Demography, Single-nucleotide polymorphism, 2. Zero hunger, 0303 health sciences, Bacteria, MESH: Pennisetum, Botany, Life Sciences, Plant Nutrient Uptake and Signaling Pathways, 15. Life on land, Root Traits, MESH: Quantitative Trait Loci, Agronomy, FOS: Sociology, FOS: Biological sciences, MESH: Genome-Wide Association Study, Rhizosphere, Medicine, Genome-Wide Association Study
Beschreibung: The rhizosheath, the layer of soil that adheres strongly to roots, influences water and nutrients acquisition. Pearl millet is a cereal crop that plays a major role for food security in arid regions of sub Saharan Africa and India. We previously showed that root-adhering soil mass is a heritable trait in pearl millet and that it correlates with changes in rhizosphere microbiota structure and functions. Here, we studied the correlation between root-adhering soil mass and root hair development, root architecture, and symbiosis with arbuscular mycorrhizal fungi and we analysed the genetic control of this trait using genome wide association (GWAS) combined with bulk segregant analysis and gene expression studies. Root-adhering soil mass was weakly correlated only to root hairs traits in pearl millet. Twelve QTLs for rhizosheath formation were identified by GWAS. Bulk segregant analysis on a biparental population validated five of these QTLs. Combining genetics with a comparison of global gene expression in the root tip of contrasted inbred lines revealed candidate genes that might control rhizosheath formation in pearl millet. Our study indicates that rhizosheath formation is under complex genetic control in pearl millet and suggests that it is mainly regulated by root exudation.HighlightFormation of the rhizosheath, a layer of soil adhering to the root, is under complex genetic control in pearl millet and is mainly regulated by root exudation.
Publikationsart: Article
Conference object
Other literature type
Dateibeschreibung: application/pdf
ISSN: 2045-2322
DOI: 10.1101/2021.11.02.466908
DOI: 10.1038/s41598-022-13234-w
DOI: 10.60692/kx3at-aha82
DOI: 10.60692/p751s-rhr72
Zugangs-URL: https://www.biorxiv.org/content/biorxiv/early/2021/11/02/2021.11.02.466908.full.pdf
https://pubmed.ncbi.nlm.nih.gov/35655088
https://doaj.org/article/91ebd1b7220e4089902e3e07f9d67c94
https://www.biorxiv.org/content/biorxiv/early/2021/11/02/2021.11.02.466908.full.pdf
https://europepmc.org/article/PPR/PPR414462
https://www.biorxiv.org/content/10.1101/2021.11.02.466908v1
http://www.biorxiv.org/content/10.1101/2021.11.02.466908v1
https://hal.inrae.fr/hal-03714569v1
https://doi.org/10.1038/s41598-022-13234-w
https://hal.inrae.fr/hal-03714569v1/document
Rights: CC BY NC ND
CC BY
Dokumentencode: edsair.doi.dedup.....b2c7f80754cb86d05d776b1de96b9378
Datenbank: OpenAIRE
Beschreibung
Abstract:The rhizosheath, the layer of soil that adheres strongly to roots, influences water and nutrients acquisition. Pearl millet is a cereal crop that plays a major role for food security in arid regions of sub Saharan Africa and India. We previously showed that root-adhering soil mass is a heritable trait in pearl millet and that it correlates with changes in rhizosphere microbiota structure and functions. Here, we studied the correlation between root-adhering soil mass and root hair development, root architecture, and symbiosis with arbuscular mycorrhizal fungi and we analysed the genetic control of this trait using genome wide association (GWAS) combined with bulk segregant analysis and gene expression studies. Root-adhering soil mass was weakly correlated only to root hairs traits in pearl millet. Twelve QTLs for rhizosheath formation were identified by GWAS. Bulk segregant analysis on a biparental population validated five of these QTLs. Combining genetics with a comparison of global gene expression in the root tip of contrasted inbred lines revealed candidate genes that might control rhizosheath formation in pearl millet. Our study indicates that rhizosheath formation is under complex genetic control in pearl millet and suggests that it is mainly regulated by root exudation.HighlightFormation of the rhizosheath, a layer of soil adhering to the root, is under complex genetic control in pearl millet and is mainly regulated by root exudation.
ISSN:20452322
DOI:10.1101/2021.11.02.466908