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| Registros recuperados : 262 | |
| 55. |  | DIAS, J. M. C. de S.; LOPES, M. A. A base genética e os novos desafios I. In: SANTOS, M. G. B. dos. (Org). Artigos técnicos divulgados na mídia: coletânea 2007. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2007. (Embrapa Recursos Genéticos e Biotecnologia. Documentos, 244). Publicado em 08/05/2007. Disponível em: Agroanalysis, agroanalysisnr27; Boletim Pecuário, bpecuario080507; Clicnews, clicnews080507; Hotel Virtual, hvirtual080507; Pets, pets080507; Seedquest, seedquest080507; Agrosoft, agrosoft190507;...| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| Registros recuperados : 262 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
04/09/2012 |
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Data da última atualização: |
05/08/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
DELAMUTA, J. R. M.; RIBEIRO, R. A.; MENNA, P.; BANGEL, E. V.; HUNGRIA, M. |
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Afiliação: |
JAKELINE RENATA MARÇON DELAMUTA, UEL; RENAN AUGUSTO RIBEIRO, CNPSO; PÂMELA MENNA, CNPq; ELIANE VILLAMIL BANGEL, Fundação Estadual de Pesquisa Agropecuária, RS; MARIANGELA HUNGRIA DA CUNHA, CNPSO. |
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Título: |
Multilocus sequence analysis (MLSA) of Bradyrhizobium strains: revealing high diversity of tropical diazotrophic symbiotic bacteria. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Brazilian Journal of Microbiology, São Paulo, v. 43, n.2, p. 698-710, Apr./June 2012. |
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DOI: |
10.1590/S1517-83822012000200035 |
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Idioma: |
Inglês |
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Conteúdo: |
Symbiotic association of several genera of bacteria collectively called as rhizobia and plants belonging to the family Leguminosae (=Fabaceae) results in the process of biological nitrogen fixation, playing a key role in global N cycling, and also bringing relevant contributions to the agriculture. Bradyrhizobium is considered as the ancestral of all nitrogen-fixing rhizobial species, probably originated in the tropics. The genus encompasses a variety of diverse bacteria, but the diversity captured in the analysis of the 16S rRNA is often low. In this study, we analyzed twelve Bradyrhizobium strains selected from previous studies performed by our group for showing high genetic diversity in relation to the described species. In addition to the 16S rRNA, five housekeeping genes (recA, atpD, glnII, gyrB and rpoB) were analyzed in the MLSA (multilocus sequence analysis) approach. Analysis of each gene and of the concatenated housekeeping genes captured a considerably higher level of genetic diversity, with indication of putative new species. The results highlight the high genetic variability associated with Bradyrhizobium microsymbionts of a variety of legumes. In addition, the MLSA approach has proved to represent a rapid and reliable method to be employed in phylogenetic and taxonomic studies, speeding the identification of the still poorly known diversity of nitrogen-fixing rhizobia in the tropics. |
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Palavras-Chave: |
Fixação biológica de nitrogênio. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/65536/1/multilocus.braz.j.microb.2012.pdf
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Marc: |
LEADER 02110naa a2200193 a 4500
001 1932947
005 2017-08-05
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1590/S1517-83822012000200035$2DOI
100 1 $aDELAMUTA, J. R. M.
245 $aMultilocus sequence analysis (MLSA) of Bradyrhizobium strains$brevealing high diversity of tropical diazotrophic symbiotic bacteria.$h[electronic resource]
260 $c2012
520 $aSymbiotic association of several genera of bacteria collectively called as rhizobia and plants belonging to the family Leguminosae (=Fabaceae) results in the process of biological nitrogen fixation, playing a key role in global N cycling, and also bringing relevant contributions to the agriculture. Bradyrhizobium is considered as the ancestral of all nitrogen-fixing rhizobial species, probably originated in the tropics. The genus encompasses a variety of diverse bacteria, but the diversity captured in the analysis of the 16S rRNA is often low. In this study, we analyzed twelve Bradyrhizobium strains selected from previous studies performed by our group for showing high genetic diversity in relation to the described species. In addition to the 16S rRNA, five housekeeping genes (recA, atpD, glnII, gyrB and rpoB) were analyzed in the MLSA (multilocus sequence analysis) approach. Analysis of each gene and of the concatenated housekeeping genes captured a considerably higher level of genetic diversity, with indication of putative new species. The results highlight the high genetic variability associated with Bradyrhizobium microsymbionts of a variety of legumes. In addition, the MLSA approach has proved to represent a rapid and reliable method to be employed in phylogenetic and taxonomic studies, speeding the identification of the still poorly known diversity of nitrogen-fixing rhizobia in the tropics.
653 $aFixação biológica de nitrogênio
700 1 $aRIBEIRO, R. A.
700 1 $aMENNA, P.
700 1 $aBANGEL, E. V.
700 1 $aHUNGRIA, M.
773 $tBrazilian Journal of Microbiology, São Paulo$gv. 43, n.2, p. 698-710, Apr./June 2012.
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