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Registros recuperados : 195 | |
42. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CARVALHO, F. M.; SOUZA, R. C.; BARCELLOS, F. G.; HUNGRIA, M.; VASCONCELOS, A. T. R. Genomic and evolutionary comparisons of diazotrophic and pathogenic bacteria of the order Rhizobiales. BMC Microbiology, London, v. 10, n. 37, p. 1-15, Feb. 2010. Biblioteca(s): Embrapa Soja. |
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48. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | FERREIRA, D. T. L.; DROVAL, A. A.; SOUZA, R. C.; OLIVEIRA, E. MEDEIROS, E. J. Processo de esterilizacao para conservacao da mandioca "In natura" Sao Pedro, SP: Centro de Raizes Tropicais/UNESP/SBM, 1996. 1p. In: CONGRESSO LATINO AMERICANO DE RAIZES TROPICAIS, 1, E CONGRESSO BRASILEIRO DE MANDIOCA, 9, 1996, Sao Pedro, SP. Programa e Resumos... Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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49. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SOUZA, R. C. P.; PIMENTA, G.; GONTIJO, G. H. A.; LOBO JUNIOR, M. Efeito do tratamento de sementes com Trichoderma harzianum '1306' e fludioxonil sobre a produtividade do feijoeiro comum. Fitopatologia Brasileira, Brasília, DF, v. 32, p. S 259, ago. 2007. Suplemento. ref. 0750. Edição dos Resumos do XL Congresso Brasileiro de Fitopatologia, Maringá, PR, ago. 2007. Biblioteca(s): Embrapa Arroz e Feijão. |
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53. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SOUZA, R. C. de; VIDAL, L.; TOJAL, F.; FREITAS, D. de G. C.; DELIZA, R. Avaliadores em testes sensoriais: quais são suas principais motivações? In: CONGRESSO BRASILEIRO DE CIÊNCIA E TECNOLOGIA DE ALIMENTOS, 24.; CONGRESSO DO INSTITUTO NACIONAL DE CIÊNCIA E TECNOLOGIA DE FRUTOS TROPICAIS, 4., 2014, Aracaju. Inovação e sustentabilidade em ciência e tecnologia de alimentos: resumos. [Campinas]: SBCTA, 2014. p. 115 Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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59. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | FERREIRA, D. T. L.; DROVAL, A. A.; SOUZA, R. C.; OLIVEIRA, E.; MEDEIROS, E. J. Influencia da temperatura na qualidade e no tempo de fermentacao do polvilho azedo Sao Pedro, SP: Centro de Raizes Tropicais/UNESP/SBM, 1996. 1p. In: CONGRESSO LATINO AMERICANO DE RAIZES TROPICAIS, 1, E CONGRESSO BRASILEIRO DE MANDIOCA, 9, 1996, Sao Pedro, SP. Programa e Resumos... Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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Registros recuperados : 195 | |
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Registro Completo
Biblioteca(s): |
Embrapa Soja; Embrapa Suínos e Aves. |
Data corrente: |
06/12/2018 |
Data da última atualização: |
10/12/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
SOUZA, R. C.; CANTAO, M. E.; NOGUEIRA, M. A.; VASCONCELOS, A. T. R.; HUNGRIA, M. |
Afiliação: |
RENATA CAROLINI SOUZA, CNPq; MAURICIO EGIDIO CANTAO, CNPSA; MARCO ANTONIO NOGUEIRA, CNPSO; ANA TEREZA RIBEIRO VASCONCELOS, CNPq; MARIANGELA HUNGRIA DA CUNHA, CNPSO. |
Título: |
Outstanding impact of soil tillage on the abundance of soil hydrolases revealed by a metagenomic approach. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Brazilian Journal of Microbiology, v. 49, p. 723-730, 2018. |
DOI: |
10.1016/j.bjm.2018.03.001. |
Idioma: |
Inglês |
Conteúdo: |
Abstract: The soil represents the main source of novel biocatalysts and biomolecules of industrial relevance. We searched for hydrolases in silico in four shotgun metagenomes (4,079,223 sequences) obtained in a 13-year field trial carried out in southern Brazil, under the no-tillage (NT), or conventional tillage (CT) managements, with crop succession (CS, soybean/wheat), or crop rotation (CR, soybean/maize/wheat/lupine/oat). We identified 42,631 hydrolases belonging to five classes by comparing with the KEGG database, and 44,928 sequences by comparing with the NCBI-NR database. The abundance followed the order: lipases > laccases > cellulases > proteases > amylases > pectinases. Statistically significant differences were attributed to the tillage system, with the NT showing about five times more hydrolases than the CT system. The outstanding differences can be attributed to the management of crop residues, left on the soil surface in the NT, and mechanically broken and incorporated into the soil in the CT. Differences between the CS and the CR were slighter, 10% higher for the CS, but not statistically different. Most of the sequences belonged to fungi (Verticillium, and Colletotrichum for lipases and laccases, and Aspergillus for proteases), and to the archaea Sulfolobus acidocaldarius for amylases. Our results indicate that agricultural soils under conservative managements may represent a hotspotfor bioprospection of hydrolases. |
Palavras-Chave: |
Metagenome. |
Thesagro: |
Manejo do Solo; Microbiologia do Solo; Plantio Direto. |
Thesaurus NAL: |
Metagenomics; Microbiome; No-tillage; Soil enzymes; Soil management. |
Categoria do assunto: |
-- X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/187857/1/final8874.pdf
|
Marc: |
LEADER 02322naa a2200289 a 4500 001 2100838 005 2018-12-10 008 2018 bl uuuu u00u1 u #d 024 7 $a10.1016/j.bjm.2018.03.001.$2DOI 100 1 $aSOUZA, R. C. 245 $aOutstanding impact of soil tillage on the abundance of soil hydrolases revealed by a metagenomic approach.$h[electronic resource] 260 $c2018 520 $aAbstract: The soil represents the main source of novel biocatalysts and biomolecules of industrial relevance. We searched for hydrolases in silico in four shotgun metagenomes (4,079,223 sequences) obtained in a 13-year field trial carried out in southern Brazil, under the no-tillage (NT), or conventional tillage (CT) managements, with crop succession (CS, soybean/wheat), or crop rotation (CR, soybean/maize/wheat/lupine/oat). We identified 42,631 hydrolases belonging to five classes by comparing with the KEGG database, and 44,928 sequences by comparing with the NCBI-NR database. The abundance followed the order: lipases > laccases > cellulases > proteases > amylases > pectinases. Statistically significant differences were attributed to the tillage system, with the NT showing about five times more hydrolases than the CT system. The outstanding differences can be attributed to the management of crop residues, left on the soil surface in the NT, and mechanically broken and incorporated into the soil in the CT. Differences between the CS and the CR were slighter, 10% higher for the CS, but not statistically different. Most of the sequences belonged to fungi (Verticillium, and Colletotrichum for lipases and laccases, and Aspergillus for proteases), and to the archaea Sulfolobus acidocaldarius for amylases. Our results indicate that agricultural soils under conservative managements may represent a hotspotfor bioprospection of hydrolases. 650 $aMetagenomics 650 $aMicrobiome 650 $aNo-tillage 650 $aSoil enzymes 650 $aSoil management 650 $aManejo do Solo 650 $aMicrobiologia do Solo 650 $aPlantio Direto 653 $aMetagenome 700 1 $aCANTAO, M. E. 700 1 $aNOGUEIRA, M. A. 700 1 $aVASCONCELOS, A. T. R. 700 1 $aHUNGRIA, M. 773 $tBrazilian Journal of Microbiology$gv. 49, p. 723-730, 2018.
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