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| 1. |  | JOURAND, P.; RENIER, A.; RAPIOR, S.; FARIA, S. M. de; PRIN, Y.; GALIANA, A.; GIRAUD, E.; DREYFUS, B. Role of methylotrophy during symbiosis between methylobacterium nodulans and Crotalaria podocarpa. Molecular Plant-Microbe Interactions, St. Paul, v. 18, n. 10, p. 1061-1068, 2005.| Biblioteca(s): Embrapa Agrobiologia. |
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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. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
25/11/2005 |
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Data da última atualização: |
25/11/2005 |
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Autoria: |
JOURAND, P.; RENIER, A.; RAPIOR, S.; FARIA, S. M. de; PRIN, Y.; GALIANA, A.; GIRAUD, E.; DREYFUS, B. |
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Título: |
Role of methylotrophy during symbiosis between methylobacterium nodulans and Crotalaria podocarpa. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Molecular Plant-Microbe Interactions, St. Paul, v. 18, n. 10, p. 1061-1068, 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
Some rare leguminous plants of the genus Crotalaria are specifically nodulated by the methylotrophic bacterium Methylabocterium nodulans. In this study, the expression and role of bacterial methylotrophy were investigated during symbiosis between M. nodulans, strain ORS 2060t, and its host legume, Crotalaria podocarpa. Using lacZ fusion to the mxaF gene,we showed that the methylotroph genes are expressed in the root nodules, suggesting methylotrophic activity during symbiosis. In addition, loos of the bacterial methylotrophic function significantly affected plant development. Indeed, inoculation of M. nodulans nonmethylotroph mutants in C. podocarpa decreased the total root nodule number per plant up to 60%, decreased the whole-plant nitrogen fixation capacity up to 42%, and reduced the total dry plant biomass up to 46% compared with the wild-type strain. In contrast, inoculation of the legume C. podocarpa with nonmethylotyrophic mutants complemented with functional mxa genes restored the symbiotic wild phenotype. These results demonstrate the key role of methylotrophic during symbiosis between M. nodulans and C. podocarpa. |
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Palavras-Chave: |
Crotalaria podocarpa. |
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Thesagro: |
Álcool; Metanol; Simbiose. |
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Thesaurus NAL: |
alcohols; methanol; symbiosis. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01922naa a2200289 a 4500
001 1628551
005 2005-11-25
008 2005 bl --- 0-- u #d
100 1 $aJOURAND, P.
245 $aRole of methylotrophy during symbiosis between methylobacterium nodulans and Crotalaria podocarpa.
260 $c2005
520 $aSome rare leguminous plants of the genus Crotalaria are specifically nodulated by the methylotrophic bacterium Methylabocterium nodulans. In this study, the expression and role of bacterial methylotrophy were investigated during symbiosis between M. nodulans, strain ORS 2060t, and its host legume, Crotalaria podocarpa. Using lacZ fusion to the mxaF gene,we showed that the methylotroph genes are expressed in the root nodules, suggesting methylotrophic activity during symbiosis. In addition, loos of the bacterial methylotrophic function significantly affected plant development. Indeed, inoculation of M. nodulans nonmethylotroph mutants in C. podocarpa decreased the total root nodule number per plant up to 60%, decreased the whole-plant nitrogen fixation capacity up to 42%, and reduced the total dry plant biomass up to 46% compared with the wild-type strain. In contrast, inoculation of the legume C. podocarpa with nonmethylotyrophic mutants complemented with functional mxa genes restored the symbiotic wild phenotype. These results demonstrate the key role of methylotrophic during symbiosis between M. nodulans and C. podocarpa.
650 $aalcohols
650 $amethanol
650 $asymbiosis
650 $aÁlcool
650 $aMetanol
650 $aSimbiose
653 $aCrotalaria podocarpa
700 1 $aRENIER, A.
700 1 $aRAPIOR, S.
700 1 $aFARIA, S. M. de
700 1 $aPRIN, Y.
700 1 $aGALIANA, A.
700 1 $aGIRAUD, E.
700 1 $aDREYFUS, B.
773 $tMolecular Plant-Microbe Interactions, St. Paul$gv. 18, n. 10, p. 1061-1068, 2005.
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Embrapa Agrobiologia (CNPAB) |
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