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 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
09/11/2004 |
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Data da última atualização: |
28/03/2022 |
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Autoria: |
COUTINHO, H. L. da C.; OLIVEIRA, V. M. de; MOREIRA, F. M. S. |
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Afiliação: |
HEITOR LUIZ DA COSTA COUTINHO, CNPS; VALÉRIA M. DE OLIVEIRA, FUNDAÇÃO TROPICAL DE PESQUISAS E TECNOLOGIA ANDRÉ TOSSELLO; FÁTIMA M. S. MOREIRA, UFLA. |
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Título: |
Systematics of legume nodule nitrogen fixing bacteria: agronomic and ecological applications. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
In: PRIEST, F. G.; GOODFELLOW, M. (ed.). Applied microbial systematics. Drodrecht: Kluwer Academic Publishers, 2000. cap. 5, p. 107-134. |
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DOI: |
https://doi.org/10.1007/978-94-011-4020-1_5 |
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Idioma: |
Inglês |
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Conteúdo: |
Biological nitrogen fixation (BNF) is easily the most studied microbial process applied to agriculture. It consists of the reduction of atmospheric dinitrogen (N2), unavailable to higher plants, into ammonium (NH4+), an assimilable form of this nutrient. The BNF process is performed solely by microorganisms, the majority inhabiting the soil ecosystem, and is considered to be the most relevant component of the global nitrogen cycle (Ishizuka, 1992). The best known diazotrophs (dinitrogen fixing bacteria) are rhizobia, which are able to establish a symbiotic relationship with plants of the family Leguminosae, hereby called legumes. This symbiosis is characterized by a highly specific association between plant and bacteria. Particular varieties of legume species recognize specific strains of rhizobia, which are able to infect the legume roots. This process triggers the expression of certain plant genes, resulting in the development of nodules around the site of invasion. In the interior of the nodules the bacteria undergo morphological and physiological transformations, becoming nitrogen fixing bacteroides and supplying the plant with nutrient in exchange for carbon-rich material derived from plant photosynthesis. |
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Palavras-Chave: |
Biological Nitrogen Fixation; Environmental Microbiology; Fixação biológica de nitrogênio; Legume Species; Rhizobial Strain. |
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Thesaurus NAL: |
Nitrogen fixation. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02086naa a2200229 a 4500
001 1336985
005 2022-03-28
008 2000 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/978-94-011-4020-1_5$2DOI
100 1 $aCOUTINHO, H. L. da C.
245 $aSystematics of legume nodule nitrogen fixing bacteria$bagronomic and ecological applications.$h[electronic resource]
260 $c2000
520 $aBiological nitrogen fixation (BNF) is easily the most studied microbial process applied to agriculture. It consists of the reduction of atmospheric dinitrogen (N2), unavailable to higher plants, into ammonium (NH4+), an assimilable form of this nutrient. The BNF process is performed solely by microorganisms, the majority inhabiting the soil ecosystem, and is considered to be the most relevant component of the global nitrogen cycle (Ishizuka, 1992). The best known diazotrophs (dinitrogen fixing bacteria) are rhizobia, which are able to establish a symbiotic relationship with plants of the family Leguminosae, hereby called legumes. This symbiosis is characterized by a highly specific association between plant and bacteria. Particular varieties of legume species recognize specific strains of rhizobia, which are able to infect the legume roots. This process triggers the expression of certain plant genes, resulting in the development of nodules around the site of invasion. In the interior of the nodules the bacteria undergo morphological and physiological transformations, becoming nitrogen fixing bacteroides and supplying the plant with nutrient in exchange for carbon-rich material derived from plant photosynthesis.
650 $aNitrogen fixation
653 $aBiological Nitrogen Fixation
653 $aEnvironmental Microbiology
653 $aFixação biológica de nitrogênio
653 $aLegume Species
653 $aRhizobial Strain
700 1 $aOLIVEIRA, V. M. de
700 1 $aMOREIRA, F. M. S.
773 $tIn: PRIEST, F. G.; GOODFELLOW, M. (ed.). Applied microbial systematics. Drodrecht: Kluwer Academic Publishers, 2000. cap. 5, p. 107-134.
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