Facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria

Abstract A major challenge for agriculture is to provide sufficient plant nutrients such as phosphorus (P) to meet the global food demand. The sufficiency of P is a concern because of it’s essential role in plant growth, the finite availability of P-rock for fertilizer production and the poor plant...

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Autores principales:	Fabio Battini, Mette Grønlund, Monica Agnolucci, Manuela Giovannetti, Iver Jakobsen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d81683f36f5e4c4f81167c9a5d5405e0
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spelling	oai:doaj.org-article:d81683f36f5e4c4f81167c9a5d5405e02021-12-02T12:30:44ZFacilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria10.1038/s41598-017-04959-02045-2322https://doaj.org/article/d81683f36f5e4c4f81167c9a5d5405e02017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04959-0https://doaj.org/toc/2045-2322Abstract A major challenge for agriculture is to provide sufficient plant nutrients such as phosphorus (P) to meet the global food demand. The sufficiency of P is a concern because of it’s essential role in plant growth, the finite availability of P-rock for fertilizer production and the poor plant availability of soil P. This study investigated whether biofertilizers and bioenhancers, such as arbuscular mycorrhizal fungi (AMF) and their associated bacteria could enhance growth and P uptake in maize. Plants were grown with or without mycorrhizas in compartmented pots with radioactive P tracers and were inoculated with each of 10 selected bacteria isolated from AMF spores. Root colonization by AMF produced large plant growth responses, while seven bacterial strains further facilitated root growth and P uptake by promoting the development of AMF extraradical mycelium. Among the tested strains, Streptomyces sp. W94 produced the largest increases in uptake and translocation of 33P, while Streptomyces sp. W77 highly enhanced hyphal length specific uptake of 33P. The positive relationship between AMF-mediated P absorption and shoot P content was significantly influenced by the bacteria inoculants and such results emphasize the potential importance of managing both AMF and their microbiota for improving P acquisition by crops.Fabio BattiniMette GrønlundMonica AgnolucciManuela GiovannettiIver JakobsenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Fabio Battini Mette Grønlund Monica Agnolucci Manuela Giovannetti Iver Jakobsen Facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria
description	Abstract A major challenge for agriculture is to provide sufficient plant nutrients such as phosphorus (P) to meet the global food demand. The sufficiency of P is a concern because of it’s essential role in plant growth, the finite availability of P-rock for fertilizer production and the poor plant availability of soil P. This study investigated whether biofertilizers and bioenhancers, such as arbuscular mycorrhizal fungi (AMF) and their associated bacteria could enhance growth and P uptake in maize. Plants were grown with or without mycorrhizas in compartmented pots with radioactive P tracers and were inoculated with each of 10 selected bacteria isolated from AMF spores. Root colonization by AMF produced large plant growth responses, while seven bacterial strains further facilitated root growth and P uptake by promoting the development of AMF extraradical mycelium. Among the tested strains, Streptomyces sp. W94 produced the largest increases in uptake and translocation of 33P, while Streptomyces sp. W77 highly enhanced hyphal length specific uptake of 33P. The positive relationship between AMF-mediated P absorption and shoot P content was significantly influenced by the bacteria inoculants and such results emphasize the potential importance of managing both AMF and their microbiota for improving P acquisition by crops.
format	article
author	Fabio Battini Mette Grønlund Monica Agnolucci Manuela Giovannetti Iver Jakobsen
author_facet	Fabio Battini Mette Grønlund Monica Agnolucci Manuela Giovannetti Iver Jakobsen
author_sort	Fabio Battini
title	Facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria
title_short	Facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria
title_full	Facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria
title_fullStr	Facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria
title_full_unstemmed	Facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria
title_sort	facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/d81683f36f5e4c4f81167c9a5d5405e0
work_keys_str_mv	AT fabiobattini facilitationofphosphorusuptakeinmaizeplantsbymycorrhizospherebacteria AT mettegrønlund facilitationofphosphorusuptakeinmaizeplantsbymycorrhizospherebacteria AT monicaagnolucci facilitationofphosphorusuptakeinmaizeplantsbymycorrhizospherebacteria AT manuelagiovannetti facilitationofphosphorusuptakeinmaizeplantsbymycorrhizospherebacteria AT iverjakobsen facilitationofphosphorusuptakeinmaizeplantsbymycorrhizospherebacteria
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Facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria

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