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Registro Completo |
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
29/03/2016 |
Data da última atualização: |
29/03/2016 |
Tipo da produção científica: |
Artigo de Divulgação na Mídia |
Autoria: |
HELENE, L. C. F.; DELAMUTA, J. R. M.; RIBEIRO. R. A.; ORMEÑO-ORRILLO, E.; ROGEL, M. A; MARTINEZ-ROMERO, E.; HUNGRIA, M. |
Afiliação: |
Luisa Caroline Ferraz Helene, UEL; Jakeline Renata Marçon Delamuta, UEL; Renan Augusto Ribeiro, Conselho Nacional de Desenvolvimento Cientifico e Tecnológico; Ernesto Ormeño-Orrillo, Universidad Nacional Agraria La Molina; Marco Antonio Rogel, Centro de Ciencias Genó micas, Universidad Nacional Autónoma de México; Esperanza Martinez-Romero, Centro de Ciências Genómicas, Universidad Nacional Autónoma de México; MARIANGELA HUNGRIA DA CUNHA, CNPSO. |
Título: |
Bradyrhizobium viridifuturi sp. nov., encompassing nitrogen-fixing symbionts of legumes used for green manure and environmental services. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
International Journal of Systematic and Evolutionary Microbiology, Reading v. 65, n. 12, 2015. |
Páginas: |
p. 4441-4438 |
Idioma: |
Português |
Conteúdo: |
Symbiotic nitrogen-fixing bacteria, commonly called rhizobia, are agronomically important because they can provide significant amounts of nitrogen to plants and help in recovery of impoverished soils and improvement of degraded environments. In recent years, with advances in molecular techniques, several studies have shown that these bacteria have high levels of genetic diversity, resulting in taxonomic reclassifications and descriptions of new species. However, despite the advances achieved, highly conserved 16S ribosomal genes (16S rRNA) do not elucidate differences between species of several genera, including the genus Bradyrhizobium. Other methodologies, such as multilocus sequence analysis (MLSA), have been used in such cases, with good results. In this study, three strains (SEMIAs 690T, 6387 and 6428) of the genus Bradyrhizobium, isolated from nitrogen-fixing nodules of Centrosema and Acacia species, without clear taxonomic positions, were studied. These strains differed from genetically closely related species according to the results of MLSA of four housekeeping genes (dnaK, glnII, gyrB and recA) and nucleotide identities of the concatenated genes with those of related species ranged from 87.8 % to 95.7 %, being highest with Bradyrhizobium elkanii. DNA?DNA hybridization (less than 32 % DNA relatedness) and average nucleotide identity values of the whole genomes (less than 90.5 %) indicated that these strains represented a novel species, and phenotypic traits were determined. Our data supported the description of the SEMIA strains as Bradyrhizobium viridifuturi sp. nov., and SEMIA 690T (5CNPSo 991T5C 100aT5BR 1804T5LMG 28866T), isolated from Centrosema pubescens, was chosen as type strain. MenosSymbiotic nitrogen-fixing bacteria, commonly called rhizobia, are agronomically important because they can provide significant amounts of nitrogen to plants and help in recovery of impoverished soils and improvement of degraded environments. In recent years, with advances in molecular techniques, several studies have shown that these bacteria have high levels of genetic diversity, resulting in taxonomic reclassifications and descriptions of new species. However, despite the advances achieved, highly conserved 16S ribosomal genes (16S rRNA) do not elucidate differences between species of several genera, including the genus Bradyrhizobium. Other methodologies, such as multilocus sequence analysis (MLSA), have been used in such cases, with good results. In this study, three strains (SEMIAs 690T, 6387 and 6428) of the genus Bradyrhizobium, isolated from nitrogen-fixing nodules of Centrosema and Acacia species, without clear taxonomic positions, were studied. These strains differed from genetically closely related species according to the results of MLSA of four housekeeping genes (dnaK, glnII, gyrB and recA) and nucleotide identities of the concatenated genes with those of related species ranged from 87.8 % to 95.7 %, being highest with Bradyrhizobium elkanii. DNA?DNA hybridization (less than 32 % DNA relatedness) and average nucleotide identity values of the whole genomes (less than 90.5 %) indicated that these strains represented a novel species, and phenotypic traits were det... Mostrar Tudo |
Palavras-Chave: |
Fixação biologica de nitrogenio. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02480naa a2200217 a 4500 001 2041960 005 2016-03-29 008 2015 bl uuuu u00u1 u #d 100 1 $aHELENE, L. C. F. 245 $aBradyrhizobium viridifuturi sp. nov., encompassing nitrogen-fixing symbionts of legumes used for green manure and environmental services.$h[electronic resource] 260 $c2015 300 $ap. 4441-4438 520 $aSymbiotic nitrogen-fixing bacteria, commonly called rhizobia, are agronomically important because they can provide significant amounts of nitrogen to plants and help in recovery of impoverished soils and improvement of degraded environments. In recent years, with advances in molecular techniques, several studies have shown that these bacteria have high levels of genetic diversity, resulting in taxonomic reclassifications and descriptions of new species. However, despite the advances achieved, highly conserved 16S ribosomal genes (16S rRNA) do not elucidate differences between species of several genera, including the genus Bradyrhizobium. Other methodologies, such as multilocus sequence analysis (MLSA), have been used in such cases, with good results. In this study, three strains (SEMIAs 690T, 6387 and 6428) of the genus Bradyrhizobium, isolated from nitrogen-fixing nodules of Centrosema and Acacia species, without clear taxonomic positions, were studied. These strains differed from genetically closely related species according to the results of MLSA of four housekeeping genes (dnaK, glnII, gyrB and recA) and nucleotide identities of the concatenated genes with those of related species ranged from 87.8 % to 95.7 %, being highest with Bradyrhizobium elkanii. DNA?DNA hybridization (less than 32 % DNA relatedness) and average nucleotide identity values of the whole genomes (less than 90.5 %) indicated that these strains represented a novel species, and phenotypic traits were determined. Our data supported the description of the SEMIA strains as Bradyrhizobium viridifuturi sp. nov., and SEMIA 690T (5CNPSo 991T5C 100aT5BR 1804T5LMG 28866T), isolated from Centrosema pubescens, was chosen as type strain. 653 $aFixação biologica de nitrogenio 700 1 $aDELAMUTA, J. R. M. 700 1 $aRIBEIRO. R. A. 700 1 $aORMEÑO-ORRILLO, E. 700 1 $aROGEL, M. A 700 1 $aMARTINEZ-ROMERO, E. 700 1 $aHUNGRIA, M. 773 $tInternational Journal of Systematic and Evolutionary Microbiology, Reading$gv. 65, n. 12, 2015.
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3. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | BLANCO-GUTIÉRREZ, I.; MANNERS, R.; VARELA-ORTEGA, C.; TARQUIS, A. M.; MARTORANO, L. G.; TOLEDO, M. Examining the sustainability and development challenge in agricultural-forest frontiers of the Amazon Basin through the eyes of locals. Natural Hazards and Earth System Sciences, v. 20, n. 3, p. 797-813, 2020.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Amazônia Oriental. |
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4. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | STUCHI, J. F.; MELO, E. de; GUTIÉRREZ, I.; DE CLERCK, F.; RIVERA, J. Identificación participativa de la calidad de los servicios ambientales en la zona de amortiguamiento del Parque Internacional La Amistad en Costa Rica. In: VILLANUEVA, C.; SEPÚLVEDA L., C. J.; IBRAHIM, M. (Ed.). Manejo agroecológico como ruta para lograr la sostenibilidad de fincas con café y ganaderíaca. Turrialba: CATIE, 2011. cap. 3, p. 51-70.Biblioteca(s): Embrapa Solos. |
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8. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CAMPOS, V. C. A.; BRITO, A. L.; GUTIERREZ, I. E. M. de; SANTANA, J. R. F. de; SOUZA, A. V. de. Micropropagação de umburana de cheiro. Ciência Rural, Santa Maria, v. 43, n. 4, p. 639-644, abr, 2013.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
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9. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVATI, C.; NISHIYAMA, Y. P. de O.; SOUZA, R. T. de; JANZANTTI, N. S.; MAURO, M. A.; GOMES, E.; HERMOSÍN-GUTIÉRREZ, I.; SILVA, R. da; LAGO-VANZELA. Effect of the pre-treatment and the drying process on the phenolic composition of raisins produced with a seedless Brazilian grape cultivar. Food Research International, [online], 2018.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
Biblioteca(s): Embrapa Uva e Vinho. |
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10. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GUTIÉRREZ, I. E. M. de; CAMPOS, V. C. A.; NEPOMUCENO, C. F.; LEDO, C. A. da S.; SANTANA, J. R. F. de. Multiplicação de Bauhinia cheilantha (Bong.) Steud. (Fabaceae). In: CONGRESSO BRASILEIRO DE FLORICULTURA E PLANTAS ORNAMENTAIS, 17.; CONGRESSO BRASILEIRO DE CULTURA DE TECIDOS DE PLANTAS, 4.; 2009, Aracaju. Ciência, inovação e sustentabilidade: [anais...]. Aracaju: Embrapa Tabuleiros Costeiros; Cruz das Almas: Embrapa Mandioca e Fruticultura Tropical, 2009. 1 CD-ROM. (Embrapa Tabuleiros Costeiros. Documentos, 150). Organizadores: Ana da Silva Lédo; Fernanda Vidigal D. Souza; Vivian Loges; Everton Hilo de Souza; Ana Cecília R. de Castro.Tipo: Resumo em Anais de Congresso |
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11. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GUTIÉRREZ, I. E. M. de; CAMPOS, V. C. A.; NEPOMUCENO, J. R. F. de S.; LEDO, C. A. da S.; SANTANA, J. R. F. de. Multiplicação de Tapirira guianensis Aubl. (Anacardiaceae). In: CONGRESSO BRASILEIRO DE FLORICULTURA E PLANTAS ORNAMENTAIS, 17.; CONGRESSO BRASILEIRO DE CULTURA DE TECIDOS DE PLANTAS, 4.; 2009, Aracaju. Ciência, inovação e sustentabilidade: [anais...].Aracaju: Embrapa Tabuleiros Costeiros; Cruz das Almas: Embrapa Mandioca e Fruticultura Tropical, 2009. 1 CD-ROM. (Embrapa Tabuleiros Costeiros. Documentos, 150). Organizadores: Ana da Silva Lédo; Fernanda Vidigal D. Souza; Vivian Loges; Everton Hilo de Souza; Ana Cecília R. de Castro.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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12. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | TAVARES, I. M. de C.; CASTILHOS, M. B. M. de; MAURO, M. A.; RAMOS, A. M.; SOUZA, R. T. de; GÓMEZ-ALONSO, S.; GOMES, E.; DA-SILVA, R.; HERMOSÍN-GUTIÉRREZ, I.; LAGO-VANZELA, E. S. BRS Violeta (BRS Rúbea × IAC 1398-21) grape juice powder produced byfoam mat drying. Part I: Effect of drying temperature on phenoliccompounds and antioxidant activity. Food Chemistry, v. 298, n. 104971, [online] 2019.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
Biblioteca(s): Embrapa Uva e Vinho. |
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13. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | COLOMBO, R. C.; ROBERTO, S. R.; CRUZ, M. A. da; CARVALHO, D. U. de; YAMAMOTO, L. Y.; NIXDORF, S. L.; PEREZ-NAVARRO, J.; GÓMEZ-ALONSO, S.; SHAHAB, M.; AHMED, S.; GONÇALVES, L. S. A.; SOUZA, R. T. de; HERMOSÍN-GUTIÉRREZ, I. Characterization of the phenolic ripening development of "BRS Vitoria" seedless table grapes using HPLC-DAD-ESI-MS/MS. Journal of Food Composition and Analysis, v. 95, n. 103693, p. 1-13, 2020.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
Biblioteca(s): Embrapa Uva e Vinho. |
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