Effectiveness of plant growth-promoting rhizobacterium Pantoea sp. BRM17 in enhancing canola growth on phosphogypsum-amended soil
| Autor: | Naïma Kolsi Benzina, Maria Clara Costa, Mouldi Saidi, Houda Trifi, Amine Fourati, Wafa Achouak, Issam Ben Salem, Haïtham Sghaier |
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| Přispěvatelé: | Université de Carthage - University of Carthage, Centre National des Sciences et Technologies Nucléaires [Tunisie] (CNSTN), Natl Inst Agron Tunisia, Ave Charles Nicolle 43, TN-1082 El Mahrajene, Tunisia, Partenaires INRAE, Groupe chimique tunisien - Tunisian Chemical group, University of Algarve [Portugal], 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), 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) |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
0301 basic medicine
Siderophore food.ingredient [SDV]Life Sciences [q-bio] Brassica Soil Science Phosphogypsum 010501 environmental sciences Rhizobacteria complex mixtures 01 natural sciences 03 medical and health sciences food Botany Canola ComputingMilieux_MISCELLANEOUS 0105 earth and related environmental sciences 2. Zero hunger biology Inoculation fungi Pantoea food and beverages Agriculture biology.organism_classification 030104 developmental biology Shoot |
| Zdroj: | Pedosphere Pedosphere, 2020, 30 (4), pp.570-576. ⟨10.1016/S1002-0160(17)60454-5⟩ Repositório Científico de Acesso Aberto de Portugal Repositório Científico de Acesso Aberto de Portugal (RCAAP) instacron:RCAAP Pedosphere, Elsevier, 2020, 30 (4), pp.570-576. ⟨10.1016/S1002-0160(17)60454-5⟩ |
| ISSN: | 1002-0160 |
| Popis: | Phosphogypsum (PG) is a by-product of the phosphate fertilizer industry that represents an environmental concern. BRM17, a newly isolated strain from Tunisian PG BRM17 with the ability to solubilize inorganic phosphate, was identified as Pantoea sp. based on the analysis of 16S rDNA sequencing. The plant growth-promoting traits of BRM17 were analyzed by investigating the production of siderophores, indolic compounds (IAA), exopolysaccharides (EPS), ammonia (NH3), and 1-aminocyclopropane-1-carboxylate (ACC) deaminase activity. Observation of Arabidopsis thaliana roots inoculated with BRM17 tagged with a far-red fluorescent protein (mkate2) revealed that Pantoea sp. colonized the surface and inner part of the roots. A pot experiment was conducted to investigate the ability of BRM17 to promote the growth of canola (Brassica napus) in PG-amended soil in both sterilized and non-sterilized conditions. An increase in shoot and root biomass was observed in plants that were inoculated with BRM17 and cultivated in 2% PG amended soil. This effect was more significant in the sterilized condition. Furthermore, canola inoculated with BRM17 was able to grow in 100% PG, unlike non-inoculated plants. This study provides a strong basis for the further development of Pantoea sp. BRM17 inoculum to solubilize inorganic phosphate, due to its ability to overcome difficulties related to plant growth in PG dump sites or in PG-amended soils. |
| Databáze: | OpenAIRE |
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