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Registros recuperados : 47 | |
4. | | MENNA, P.; BARCELLOS, F. G.; HUNGRIA, M. Phylogeny and taxonomy of a diverse collection of Bradyrhizobium strains based on multilocus sequence analysis of the 16S rRNA gene, ITS region and glnll, recA, atpD and dnaK genes. International Journal of Systematic and Evolutionary Microbiology, Great Britain, v. 59, n. 12, p. 2934-2950, dez. 2009. Biblioteca(s): Embrapa Soja. |
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7. | | MENNA, P.; PEREIRA, A. A.; BANGEL, E. V.; HUNGRIA, M. Rep-PCR of tropical rhizobia for strain fingerprinting, biodiversity appraisal and as a taxonomic and phylogenetic tool. Symbiosis, Philadelphia, v. 48, n. 1-3, p. 120-130, Feb. 2009. Biblioteca(s): Embrapa Soja. |
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8. | | MENNA, P.; BARCELLOS, F. G.; BANGEL, E. V.; HUNGRIA, M. Taxonomia das estirpes de rizóbios recomendadas para o uso em inoculantes comerciais no Brasil. In: REUNIÃO DA REDE DE LABORATÓRIOS PARA RECOMENDAÇÃO, PADRONIZAÇÃO E DIFUSÃO DE TECNOLOGIA DE INOCULANTES MICROBIANOS DE INTERESSE AGRÍCOLA (RELARE), 13., 2006, Londrina. Anais... Londrina: Embrapa Soja, 2007. p. 53. (Embrapa Soja. Documentos, 290). Organizado por Rubens José Campo, Mariângela Hungria. Biblioteca(s): Embrapa Soja. |
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9. | | MENNA, P.; BARCELLOS, F. G.; BATISTA, J. S. da S.; BANGEL, E.; HUNGRIA, M. Classificação taxonômica, com base no gene ribossomal 16S, de uma coleção de rizóbios recomendados para o uso em inoculantes comerciais no Brasil. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 27.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 11.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 9.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 6., 2006, Bonito, MS. A busca das raízes: anais. Dourados: Embrapa Agropecuária Oeste, 2006. 1 CD-ROM. (Embrapa Agropecuária Oeste. Documentos, 82). Biblioteca(s): Embrapa Soja. |
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11. | | MENNA, P.; BATISTA, J. S. da S.; BARCELLOS, F. G.; BANGEL, E.; HUNGRIA, M. Diversidade de estirpes de Bradyrhizobium isoladas de diferentes leguminosas, com base na análise do gene ribossomal 16S e dos genes de nodulação nodY/KA. In: JORNADA ACADÊMICA DA EMBRAPA SOJA, 2., 2006, Londrina. Resumos expandidos. Londrina: Embrapa Soja, 2006. p.126-131. (Embrapa Soja. Documentos, 276). Biblioteca(s): Embrapa Soja. |
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13. | | BINDE, D. R.; MENNA, P.; BANGEL, E. V.; BARCELLOS, F. G.; HUNGRIA, M. Análise filogenética com base no gene ribossomal 16S, de 54 estirpes elite de rizóbios utilizadas em inoculantes comerciais brasileiras. In: RELARE, 14., 2008, Bonito. Programa e resumos. [S.l.]: Embrapa Agropecuária Oeste, 2008. p. 13. Biblioteca(s): Embrapa Soja. |
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14. | | BINDE, D. R.; MENNA, P.; BANGEL, E. V.; BARCELLOS, F. G.; HUNGRIA, M. Análise filogenética com base no gene ribossomal 16S, de 54 estirpes elite de rizóbios utilizadas em inoculantes comerciais brasileiros. In: REUNIÃO DA REDE DE LABORATÓRIOS PARA RECOMENDAÇÃO, PADRONIZAÇÃO E DIFUSÃO DE TECNOLOGIA DE INOCULANTES MICROBIOLÓGICOS DE INTERESSE AGRÍCOLA, 14., 2008, Bonito. Anais... Dourados: Embrapa Agropecuária Oeste, 2010. p. 39-40. RELARE. Organizado por Fábio M. Mercante, Oscar F. de Lima Filho, Suelma P. da S. Bonatto. Biblioteca(s): Embrapa Soja. |
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17. | | BATISTA, J. S. da S.; BARCELLOS, F. G.; MENNA, P.; BALLATI, P. A.; HUNGRIA, M. Confirmação da transferência horizontal de genes simbióticos entre gêneros distintos de rizóbios pela caracterização da estirpe de Sinorhizobium fredii CPAC 402, isolada de nódulo de soja nos cerrados. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 31., 2007, Gramado. Conquistas e desafios da ciência do solo brasileira : livro de resumos... Gramado: UFRGS: SBCS, 2007. 1 CD-ROM. Pdf. 7324-1775. Biblioteca(s): Embrapa Soja. |
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20. | | BATISTA, J. S. da S.; BARCELLOS, F. G.; MENNA, P.; BALLATI, P. A.; HUNGRIA, M. Caracterização da estirpe de Sinorhizobium fredii CPAC 402: provável evento de transferência lateral de genes simbióticos em solos dos Cerrados entre gêneros distintos de rizóbios. In: JORNADA ACADÊMICA DA EMBRAPA SOJA, 2., 2006, Londrina. Resumos expandidos. Londrina: Embrapa Soja, 2006. p. 132-138. (Embrapa Soja. Documentos, 276). Biblioteca(s): Embrapa Soja. |
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Registros recuperados : 47 | |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
24/07/2007 |
Data da última atualização: |
25/07/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - A |
Autoria: |
BARCELLOS, F. G.; MENNA, P.; BATISTA, J. S. da S.; HUNGRIA, M. |
Afiliação: |
FERNANDO GOMES BARCELLOS; PÂMELA MENNA, UEL; JESIANE STEFÂNIA DA SILVA BATISTA†, UEL; MARIANGELA HUNGRIA DA CUNHA, CNPSO. |
Título: |
Evidence of horizontal transfer of symbiotic genes from a Bradyrhizobium japonicum inoculant strain to indigenous diazotrophs Sinorhizobium (Ensifer) fredii and Bradyrhizobium elkanii in a brazilian savannah soil. |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
Applied and Environmental Microbiology, v. 73, n. 8, p. 2635-2643, Apr. 2007. |
DOI: |
10.1128/AEM.01823-06 |
Idioma: |
Inglês |
Conteúdo: |
The importance of horizontal gene transfer (HGT) in the evolution and speciation of bacteria has been emphasized; however, most studies have focused on genes clustered in pathogenesis and very few on symbiosis islands. Both soybean (Glycine max [L.] Merrill) and compatible Bradyrhizobium japonicum and Bradyrhizobium elkanii strains are exotic to Brazil and have been massively introduced in the country since the early 1960s, occupying today about 45% of the cropped land. For the past 10 years, our group has obtained several isolates showing high diversity in morphological, physiological, genetic, and symbiotic properties in relation to the putative parental inoculant strains. In this study, parental strains and putative natural variants isolated from field-grown soybean nodules were genetically characterized in relation to conserved genes (by repetitive extragenic palindromic PCR using REP and BOX A1R primers, PCR-restriction fragment length polymorphism, and sequencing of the 16SrRNA genes), nodulation, and N2-fixation genes (PCR-RFLP and sequencing of nodY-nodA, nodC, and nifH genes). Both genetic variability due to adaptation to the stressful environmental conditions of the Brazilian Cerrados and HGT events were confirmed. One strain (S 127) was identified as an indigenous B. elkanii strain that acquired a nodC gene from the inoculant B. japonicum. Another one (CPAC 402) was identified as an indigenous Sinorhizobium (Ensifer) fredii strain that received the whole symbiotic island from the B. japonicum inoculant strain and maintained an extra copy of the original nifH gene. The results highlight the strategies that bacteria may commonly use to obtain ecological advantages, such as the acquisition of genes to establish effective symbioses with an exotic host legume. MenosThe importance of horizontal gene transfer (HGT) in the evolution and speciation of bacteria has been emphasized; however, most studies have focused on genes clustered in pathogenesis and very few on symbiosis islands. Both soybean (Glycine max [L.] Merrill) and compatible Bradyrhizobium japonicum and Bradyrhizobium elkanii strains are exotic to Brazil and have been massively introduced in the country since the early 1960s, occupying today about 45% of the cropped land. For the past 10 years, our group has obtained several isolates showing high diversity in morphological, physiological, genetic, and symbiotic properties in relation to the putative parental inoculant strains. In this study, parental strains and putative natural variants isolated from field-grown soybean nodules were genetically characterized in relation to conserved genes (by repetitive extragenic palindromic PCR using REP and BOX A1R primers, PCR-restriction fragment length polymorphism, and sequencing of the 16SrRNA genes), nodulation, and N2-fixation genes (PCR-RFLP and sequencing of nodY-nodA, nodC, and nifH genes). Both genetic variability due to adaptation to the stressful environmental conditions of the Brazilian Cerrados and HGT events were confirmed. One strain (S 127) was identified as an indigenous B. elkanii strain that acquired a nodC gene from the inoculant B. japonicum. Another one (CPAC 402) was identified as an indigenous Sinorhizobium (Ensifer) fredii strain that received the whole symbiotic... Mostrar Tudo |
Thesagro: |
Fixação de Nitrogênio; Soja. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02508naa a2200193 a 4500 001 1470103 005 2017-07-25 008 2007 bl uuuu u00u1 u #d 024 7 $a10.1128/AEM.01823-06$2DOI 100 1 $aBARCELLOS, F. G. 245 $aEvidence of horizontal transfer of symbiotic genes from a Bradyrhizobium japonicum inoculant strain to indigenous diazotrophs Sinorhizobium (Ensifer) fredii and Bradyrhizobium elkanii in a brazilian savannah soil. 260 $c2007 520 $aThe importance of horizontal gene transfer (HGT) in the evolution and speciation of bacteria has been emphasized; however, most studies have focused on genes clustered in pathogenesis and very few on symbiosis islands. Both soybean (Glycine max [L.] Merrill) and compatible Bradyrhizobium japonicum and Bradyrhizobium elkanii strains are exotic to Brazil and have been massively introduced in the country since the early 1960s, occupying today about 45% of the cropped land. For the past 10 years, our group has obtained several isolates showing high diversity in morphological, physiological, genetic, and symbiotic properties in relation to the putative parental inoculant strains. In this study, parental strains and putative natural variants isolated from field-grown soybean nodules were genetically characterized in relation to conserved genes (by repetitive extragenic palindromic PCR using REP and BOX A1R primers, PCR-restriction fragment length polymorphism, and sequencing of the 16SrRNA genes), nodulation, and N2-fixation genes (PCR-RFLP and sequencing of nodY-nodA, nodC, and nifH genes). Both genetic variability due to adaptation to the stressful environmental conditions of the Brazilian Cerrados and HGT events were confirmed. One strain (S 127) was identified as an indigenous B. elkanii strain that acquired a nodC gene from the inoculant B. japonicum. Another one (CPAC 402) was identified as an indigenous Sinorhizobium (Ensifer) fredii strain that received the whole symbiotic island from the B. japonicum inoculant strain and maintained an extra copy of the original nifH gene. The results highlight the strategies that bacteria may commonly use to obtain ecological advantages, such as the acquisition of genes to establish effective symbioses with an exotic host legume. 650 $aFixação de Nitrogênio 650 $aSoja 700 1 $aMENNA, P. 700 1 $aBATISTA, J. S. da S. 700 1 $aHUNGRIA, M. 773 $tApplied and Environmental Microbiology$gv. 73, n. 8, p. 2635-2643, Apr. 2007.
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