X-ray microanalytical studies of mineral elements in the tripartite symbiosis between lima bean, N2-fixing bacteria and mycorrhizal fungi

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorRodak, Bruna Wurr-
Autor(es): dc.creatorFreitas, Douglas Siqueira-
Autor(es): dc.creatorBamberg, Soraya Marx-
Autor(es): dc.creatorCarneiro, Marco Aurélio Carbone-
Autor(es): dc.creatorGuilherme, Luiz Roberto Guimarães-
Data de aceite: dc.date.accessioned2026-02-09T12:15:34Z-
Data de disponibilização: dc.date.available2026-02-09T12:15:34Z-
Data de envio: dc.date.issued2018-12-20-
Data de envio: dc.date.issued2018-12-20-
Data de envio: dc.date.issued2017-01-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/32248-
Fonte completa do material: dc.identifierhttps://www.sciencedirect.com/science/article/pii/S0167701216303153?via%3Dihub#!-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1157707-
Descrição: dc.descriptionThe symbiosis between legumes, arbuscular mycorrhizal (AM) fungi, and N2-fixing bacteria (NFB) provides mutual nutritional gains. However, assessing the nutritional status of the microorganisms is a difficult task. A methodology that could assess this status, in situ, could assist managing these organisms in agriculture. This study used X-ray microanalyses to quantify and locate mineral elements in structures formed in a tripartite symbiosis. Lima bean (Phaseolus lunatus L. Walp) was cultivated in pots under greenhouse conditions, to which we have added AM fungal isolates (Glomus macrocarpum and Acaulospora colombiana) and NFB (Bradyrhizobium japonicum) inocula. Uninoculated control plants were also included. Symbionts were evaluated at the onset of flowering. Quantification of the mineral elements in the symbiotic components was performed using energy dispersive X-ray spectroscopy (EDX) and a scanning electron microscopy (SEM) was used to identify structures. EDX analysis detected 13 elements with the most abundant being N, Ca, and Se, occurring in all tissues, Fe in roots, Ni and Al in epidermis and P and Mo in nodules. Elemental quantification in fungal structures was not possible. The distribution of elements was related to their symbiotic function. X-ray microanalysis can be efficiently applied for nutritional diagnosis in tripartite symbiosis.-
Idioma: dc.languageen-
Publicador: dc.publisherElsevier-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceJournal of Microbiological Methods-
Palavras-chave: dc.subjectPhaseolus lunatus-
Palavras-chave: dc.subjectNutritional status-
Palavras-chave: dc.subjectScanning electron microscopy-
Palavras-chave: dc.subjectNitrogen-fixing bacteria-
Palavras-chave: dc.subjectEstado nutricional-
Palavras-chave: dc.subjectMicroscopia eletrônica de varredura-
Palavras-chave: dc.subjectBactérias fixadoras de nitrogênio-
Título: dc.titleX-ray microanalytical studies of mineral elements in the tripartite symbiosis between lima bean, N2-fixing bacteria and mycorrhizal fungi-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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