Plant Growth Promotion Abilities of Phylogenetically Diverse Mesorhizobium Strains: Effect in the Root Colonization and Development of Tomato Seedlings
Mesorhizobium contains species widely known as nitrogen-fixing bacteria with legumes, but their ability to promote the growth of non-legumes has been poorly studied. Here, we analyzed the production of indole acetic acid (IAA), siderophores and the solubilization of phosphate and potassium in a collection of 24 strains belonging to different Mesorhizobium species. All these strains produce IAA, 46% solubilized potassium, 33% solubilize phosphate and 17% produce siderophores. The highest production of IAA was found in the strains Mesorhizobium ciceri CCANP14 and Mesorhizobium tamadayense CCANP122, which were also able to solubilize potassium. Moreover, the strain CCANP14 showed the maximum phosphate solubilization index, and the strain CCANP122 was able to produce siderophores. These two strains were able to produce cellulases and cellulose and to originate biofilms in abiotic surfaces and tomato root surface. Tomato seedlings responded positively to the inoculation with these two strains, showing significantly higher plant growth traits than uninoculated seedlings. This is the first report about the potential of different Mesorhizobium species to promote the growth of a vegetable. Considering their use as safe for humans, animals and plants, they are an environmentally friendly alternative to chemical fertilizers for non-legume crops in the framework of sustainable agriculture.
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Language: | English |
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Multidisciplinary Digital Publishing Institute
2020-03-14
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Subjects: | Mesorhizobium, Phylogeny, Canary Islands, Plant root colonization, Biofilms, Plant growth, Promotion, Tomato, Biofertilization, |
Online Access: | http://hdl.handle.net/10261/206336 http://dx.doi.org/10.13039/501100001871 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100014211 http://dx.doi.org/10.13039/501100014180 |
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dig-irnasa-es-10261-2063362021-12-27T15:32:28Z Plant Growth Promotion Abilities of Phylogenetically Diverse Mesorhizobium Strains: Effect in the Root Colonization and Development of Tomato Seedlings Menéndez, Esther Pérez-Yépez, Juan Hernández, Mercedes Rodríguez-Pérez, Ana Velázquez, Encarna León-Barrios, Milagros Organismo Autónomo Parques Nacionales (España) Ministerio de Medio Ambiente y Medio Rural y Marino (España) European Commission Fundação para a Ciência e a Tecnologia (Portugal) Junta de Castilla y León Mesorhizobium Phylogeny Canary Islands Plant root colonization Biofilms Plant growth Promotion Tomato Biofertilization Mesorhizobium contains species widely known as nitrogen-fixing bacteria with legumes, but their ability to promote the growth of non-legumes has been poorly studied. Here, we analyzed the production of indole acetic acid (IAA), siderophores and the solubilization of phosphate and potassium in a collection of 24 strains belonging to different Mesorhizobium species. All these strains produce IAA, 46% solubilized potassium, 33% solubilize phosphate and 17% produce siderophores. The highest production of IAA was found in the strains Mesorhizobium ciceri CCANP14 and Mesorhizobium tamadayense CCANP122, which were also able to solubilize potassium. Moreover, the strain CCANP14 showed the maximum phosphate solubilization index, and the strain CCANP122 was able to produce siderophores. These two strains were able to produce cellulases and cellulose and to originate biofilms in abiotic surfaces and tomato root surface. Tomato seedlings responded positively to the inoculation with these two strains, showing significantly higher plant growth traits than uninoculated seedlings. This is the first report about the potential of different Mesorhizobium species to promote the growth of a vegetable. Considering their use as safe for humans, animals and plants, they are an environmentally friendly alternative to chemical fertilizers for non-legume crops in the framework of sustainable agriculture. This research was supported by the Ministerio de Medio Ambiente y Medio Rural y Marino, Organismo Autónomo de Parques Nacionales (Ref. 111/2010) to M.L.-B. and by the Strategic Research Programs for Units of Excellence from Junta de Castilla y León (CLU-2O18-04) to E.V. It was also funded by FEDER—Fundo Europeu de Desenvolvimento Regional funds through the COMPETE 2020—Operacional Programme for Competitiveness and Internationalisation (POCI), and by Portuguese funds through FCT—Fundação para a Ciência e a Tecnologia, in the framework of the project POCI-01-0145-FEDER-016810 (PTDC/AGR-PRO/2978/2014 and the Project UIDB/05183/2020) to E.M. E.M. acknowledges an FCT contract from the Individual Call to Scientific Employment Stimulus 2017 (CEECIND/00270/2017), which funds her position. Peer reviewed 2020-04-02T15:33:36Z 2020-04-02T15:33:36Z 2020-03-14 artículo http://purl.org/coar/resource_type/c_6501 Microorganism 8(3): 412 (2020) 2076-2607 http://hdl.handle.net/10261/206336 10.3390/microorganisms8030412 http://dx.doi.org/10.13039/501100001871 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100014211 http://dx.doi.org/10.13039/501100014180 32183288 en Publisher's version https://doi.org/10.3390/microorganisms8030412 Sí open Multidisciplinary Digital Publishing Institute |
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Mesorhizobium Phylogeny Canary Islands Plant root colonization Biofilms Plant growth Promotion Tomato Biofertilization Mesorhizobium Phylogeny Canary Islands Plant root colonization Biofilms Plant growth Promotion Tomato Biofertilization |
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Mesorhizobium Phylogeny Canary Islands Plant root colonization Biofilms Plant growth Promotion Tomato Biofertilization Mesorhizobium Phylogeny Canary Islands Plant root colonization Biofilms Plant growth Promotion Tomato Biofertilization Menéndez, Esther Pérez-Yépez, Juan Hernández, Mercedes Rodríguez-Pérez, Ana Velázquez, Encarna León-Barrios, Milagros Plant Growth Promotion Abilities of Phylogenetically Diverse Mesorhizobium Strains: Effect in the Root Colonization and Development of Tomato Seedlings |
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Mesorhizobium contains species widely known as nitrogen-fixing bacteria with legumes, but their ability to promote the growth of non-legumes has been poorly studied. Here, we analyzed the production of indole acetic acid (IAA), siderophores and the solubilization of phosphate and potassium in a collection of 24 strains belonging to different Mesorhizobium species. All these strains produce IAA, 46% solubilized potassium, 33% solubilize phosphate and 17% produce siderophores. The highest production of IAA was found in the strains Mesorhizobium ciceri CCANP14 and Mesorhizobium tamadayense CCANP122, which were also able to solubilize potassium. Moreover, the strain CCANP14 showed the maximum phosphate solubilization index, and the strain CCANP122 was able to produce siderophores. These two strains were able to produce cellulases and cellulose and to originate biofilms in abiotic surfaces and tomato root surface. Tomato seedlings responded positively to the inoculation with these two strains, showing significantly higher plant growth traits than uninoculated seedlings. This is the first report about the potential of different Mesorhizobium species to promote the growth of a vegetable. Considering their use as safe for humans, animals and plants, they are an environmentally friendly alternative to chemical fertilizers for non-legume crops in the framework of sustainable agriculture. |
author2 |
Organismo Autónomo Parques Nacionales (España) |
author_facet |
Organismo Autónomo Parques Nacionales (España) Menéndez, Esther Pérez-Yépez, Juan Hernández, Mercedes Rodríguez-Pérez, Ana Velázquez, Encarna León-Barrios, Milagros |
format |
artículo |
topic_facet |
Mesorhizobium Phylogeny Canary Islands Plant root colonization Biofilms Plant growth Promotion Tomato Biofertilization |
author |
Menéndez, Esther Pérez-Yépez, Juan Hernández, Mercedes Rodríguez-Pérez, Ana Velázquez, Encarna León-Barrios, Milagros |
author_sort |
Menéndez, Esther |
title |
Plant Growth Promotion Abilities of Phylogenetically Diverse Mesorhizobium Strains: Effect in the Root Colonization and Development of Tomato Seedlings |
title_short |
Plant Growth Promotion Abilities of Phylogenetically Diverse Mesorhizobium Strains: Effect in the Root Colonization and Development of Tomato Seedlings |
title_full |
Plant Growth Promotion Abilities of Phylogenetically Diverse Mesorhizobium Strains: Effect in the Root Colonization and Development of Tomato Seedlings |
title_fullStr |
Plant Growth Promotion Abilities of Phylogenetically Diverse Mesorhizobium Strains: Effect in the Root Colonization and Development of Tomato Seedlings |
title_full_unstemmed |
Plant Growth Promotion Abilities of Phylogenetically Diverse Mesorhizobium Strains: Effect in the Root Colonization and Development of Tomato Seedlings |
title_sort |
plant growth promotion abilities of phylogenetically diverse mesorhizobium strains: effect in the root colonization and development of tomato seedlings |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2020-03-14 |
url |
http://hdl.handle.net/10261/206336 http://dx.doi.org/10.13039/501100001871 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100014211 http://dx.doi.org/10.13039/501100014180 |
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