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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
25/03/2020 |
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Data da última atualização: |
08/01/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
NOVAIS, C. B. de; SBRANA, C.; JESUS, E. da C.; ROUWS, L. F. M.; GIOVANNETTI, M.; AVIO, L.; SIQUEIRA, J. O.; SILVA, E. M. R. da; FARIA, S. M. de. |
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Afiliação: |
Candido Barreto de Novais, UFRRJ; Cristiana Sbrana, CNR-Institute of Agricultural Biology and Biotechnology UOS Pisa,Pisa, Italy; EDERSON DA CONCEICAO JESUS, CNPAB; LUC FELICIANUS MARIE ROUWS, CNPAB; Manuela Giovannetti, CNR-Institute of Agricultural Biology and Biotechnology UOS Pisa,Pisa, Italy; Luciano Avio, Food and Environment, University of Pisa, Pisa, Italy; José Oswaldo Siqueira, UFLA; ELIANE MARIA RIBEIRO DA SILVA, CNPAB; SERGIO MIANA DE FARIA, CNPAB. |
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Título: |
Mycorrhizal networks facilitate the colonization of legume roots by a symbiotic nitrogen-fixing bacterium. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Mycorrhiza, published Online: 25 march 2020. |
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DOI: |
https://doi.org/10.1007/s00572-020-00948- |
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Idioma: |
Inglês |
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Conteúdo: |
Here, we assessed whether nitrogen-fixing rhizobia can be transferred to the host legume Glycinemaxby ERM produced by Glomus formosa numisolate CNPAB020 colonizing the grass Urochloa decumbens. An H-bridge experimental system was developed to evaluate the migration of ERM and of the GFP-tagged Bradyrhizobium diazo efficiens USDA 110 strain across an air gap compartment. Mycorrhizal colonization, nodule formation in legumes, and occurrence of the GFP-tagged strain in root nodules were assessed by optical and confocal laser scanning microscopy. In the presence of non-mycorrhizalU. decumbens, legume roots were neither AMF-colonized nor nodulated. In contrast,G. formosa num ERM crossingthe discontinuous compartment connected mycorrhiza U. decumbens and G. maxroots, which showed 30?42% mycorrhizal colonization and 7?11 nodules per plant. Fluorescent B. diazo efficiens cells were detected in 94% ofG. maxroot nodules. Our findings reveal that, besides its main activity in nutrient transfer, ERM produced by AMF may facilitate bacterial translocation and the simultaneous associations of plants with beneficial fungi and bacteria, representing an important structure, functional tothe establishment of symbiotic relationships. |
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Palavras-Chave: |
Arbuscular mycorrhizal fungi; Bacterial migration; Common mycorrhizal network; Extraradical mycelium; Plant symbioses. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02137naa a2200289 a 4500
001 2121368
005 2021-01-08
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s00572-020-00948-$2DOI
100 1 $aNOVAIS, C. B. de
245 $aMycorrhizal networks facilitate the colonization of legume roots by a symbiotic nitrogen-fixing bacterium.$h[electronic resource]
260 $c2020
520 $aHere, we assessed whether nitrogen-fixing rhizobia can be transferred to the host legume Glycinemaxby ERM produced by Glomus formosa numisolate CNPAB020 colonizing the grass Urochloa decumbens. An H-bridge experimental system was developed to evaluate the migration of ERM and of the GFP-tagged Bradyrhizobium diazo efficiens USDA 110 strain across an air gap compartment. Mycorrhizal colonization, nodule formation in legumes, and occurrence of the GFP-tagged strain in root nodules were assessed by optical and confocal laser scanning microscopy. In the presence of non-mycorrhizalU. decumbens, legume roots were neither AMF-colonized nor nodulated. In contrast,G. formosa num ERM crossingthe discontinuous compartment connected mycorrhiza U. decumbens and G. maxroots, which showed 30?42% mycorrhizal colonization and 7?11 nodules per plant. Fluorescent B. diazo efficiens cells were detected in 94% ofG. maxroot nodules. Our findings reveal that, besides its main activity in nutrient transfer, ERM produced by AMF may facilitate bacterial translocation and the simultaneous associations of plants with beneficial fungi and bacteria, representing an important structure, functional tothe establishment of symbiotic relationships.
653 $aArbuscular mycorrhizal fungi
653 $aBacterial migration
653 $aCommon mycorrhizal network
653 $aExtraradical mycelium
653 $aPlant symbioses
700 1 $aSBRANA, C.
700 1 $aJESUS, E. da C.
700 1 $aROUWS, L. F. M.
700 1 $aGIOVANNETTI, M.
700 1 $aAVIO, L.
700 1 $aSIQUEIRA, J. O.
700 1 $aSILVA, E. M. R. da
700 1 $aFARIA, S. M. de
773 $tMycorrhiza, published Online: 25 march 2020.
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Embrapa Agrobiologia (CNPAB) |
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| 1. |  | DAMASCENO, G. C. C.; SILVA, T. C. da; TORRIS, A. F.; COSTA, V. A.; COSTA-LIMA, T. C. da. Influência da temperatura na biologia do parasitoide de mosca-minadora, Neochrysocharis formosa (Hymenoptera: Eulophidae). In: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA SEMIÁRIDO, 13., 2018, Petrolina. Anais... Petrolina: Embrapa Semiárido, 2018. p. 177-181. (Embrapa Semiárido. Documentos, 283).| Tipo: Artigo em Anais de Congresso |
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