Academic literature on the topic 'Rhizobactéries bénéfiques pour les plantes'
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Journal articles on the topic "Rhizobactéries bénéfiques pour les plantes"
Beauchamp, C. J. "Mode d’action des rhizobactéries favorisant la croissance des plantes et potentiel de leur utilisation comme agent de lutte biologique." Phytoprotection 74, no. 1 (April 12, 2005): 19–27. http://dx.doi.org/10.7202/706033ar.
Full textLemanceau, P. "Effets bénéfiques de rhizobactéries sur les plantes : exemple des Pseudomonas spp fluorescents." Agronomie 12, no. 6 (1992): 413–37. http://dx.doi.org/10.1051/agro:19920601.
Full textHeisserer, Camille, Marc-André Selosse, and Jean-Michel Drezen. "Des virus bénéfiques pour les plantes et les animaux." médecine/sciences 38, no. 12 (December 2022): 1016–27. http://dx.doi.org/10.1051/medsci/2022171.
Full textHoste, Hervé, Denis Gautier, Laurence Sagot, Barbara Fança, and Vincent Niderkorn. "Des plantes bioactives pour répondre aux nouvelles attentes de l’élevage des Ruminants." Le Nouveau Praticien Vétérinaire élevages & santé 12, no. 48 (2021): 23–29. http://dx.doi.org/10.1051/npvelsa/48023.
Full textHirt, Heribert. "Rôle des micro-organismes bénéfiques pour aider les plantes à acquérir une tolérance aux stresses environnementaux." Biologie Aujourd'hui 206, no. 4 (2012): 285–90. http://dx.doi.org/10.1051/jbio/2012028.
Full textTahiri, Hassane, Mohammed El yachioui, and Abderrazzak Khadmaoui. "L’influence d’un biostimulant enracineur sur la croissance racinaire du haricot vert." SHS Web of Conferences 175 (2023): 01012. http://dx.doi.org/10.1051/shsconf/202317501012.
Full textDissertations / Theses on the topic "Rhizobactéries bénéfiques pour les plantes"
Fourneau, Eulalie. "Rhizοbactéries bénéfiques pοur les plantes : Répοnses physiοlοgiques et génétiques aux exsudats racinaires." Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMR096.
Full textThe rhizosphere is the narrow zone of soil under the influence of plant roots that release a complex molecular mixture: root exudates. They allow the plant to recruit its rhizosphere microbiota, which plays a key role in its growth and resistance to biotic and abiotic stresses. In the context of sustainable agriculture, understanding the molecular root-microbiota dialogue could help to promote the establishment of Plant Growth-Promoting Rhizobacteria (PGPR) in the rhizosphere. In this thesis, the ability of root exudates from rapeseed (Brassica napus), pea (Pisum sativum) and ryegrass (Lolium perenne) to attract and feed three PGPR (Bacillus subtilis ATCC 6633, Pseudomonas fluorescens ATCC 17400 and Azospirillum brasilense Sp245) was measured and compared by defining a new indicator, the « love match » score. For all bacteria, rapeseed exudates are the most attractive and induce the fastest growth, pea exudates allow the highest biomass production, while ryegrass exudates are the least effective. When comparing PGPR, P. fluorescens and A. brasilense seem to respond more efficiently to root exudates than B. subtilis. Transcriptomic analysis reveals that B. subtilis regulates the expression of many genes in response to root exudates, whereas P. fluorescens appears to already express most of the genes required for this response. These results highlight the specific selection of PGPR by the plant through its root exudates, and could help to select the most efficient exudates in order to promote the establishment of bioinoculants in the rhizosphere
Desrut, Antoine. "Mécanismes moléculaires impliqués dans les interactions entre Arabidopsis thaliana et des rhizobactéries bénéfiques : Implication du transport de sucres ?" Thesis, Poitiers, 2019. http://theses.univ-poitiers.fr/63024/2019-Desrut-Antoine-These.
Full textPlants live in close relationships with complex populations of microorganisms, including rhizobacteria species commonly referred to as Plant Growth Promoting Rhizobacteria (PGPR). PGPR able to confer to plants an improved productivity but the molecular mechanisms involved in this process remain largely unknown. Using an in vitro experimental system, the model plant Arabidopsis thaliana, and the well characterized PGPR strain Pseudomonas simiae WCS417r, we have carried out a comprehensive set of phenotypic, gene expression, and biochemical analyses. Our results show PsWCS417r induces major transcriptional changes in sugar transport and in other key biological processes linked to plant growth, development and defense. Using a reverse genetic approach, we also demonstrate that AtSWEET11 and AtSWEET12, two sugar transporter genes whose expression is down-regulated by the PGPR, are functionally involved in its plant-growth promoting effects. Altogether, our findings reveal regulation of plant sugar transport plays a crucial role in determining the fate of plant-rhizobacteria interactions. We extended our study to two other PGPR and a non PGPR strain. Overall, our results show that all three bacterial strains tested are able to alter the expression of several plant sugar transporter genes (essentially genes of the AtSWEET and AtERD6-like families), either in roots or in shoot, and either in physical contact with the seedling roots or via the production of volatile compounds only. Altogether, our findings reveal conserved and strain-specific trancriptional regulation of sugar transport during plant-PGPR interactions. Lastly, we report the identification and characterization of a Bacillus megaterium endophytic strain, RmBm31, isolated from root nodules of the legume species Retama monosperma. Our study reveals RmBm31 is an IAA-producing endophytic bacterium that possess a large set of genes associated with plant growth promoting traits. Using the model plant species Arabidopsis, we demonstrate this strain display beneficial effects on plant growth and root development via the production of volatile compounds. These effects seem to involve auxin-independent signaling mechanisms
Book chapters on the topic "Rhizobactéries bénéfiques pour les plantes"
YU, Ke, Hongwei LIU, Wei ZHONG, and Ioannis A. STRINGLIS. "Agriculture assistée par le microbiome : connaissances actuelles et futures orientations." In Biocontrôle des maladies des plantes, 225–60. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9098.ch9.
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