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Registro Completo |
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
12/12/2016 |
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Data da última atualização: |
12/12/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MEDEIROS, J. D.; CANTAO, M. E.; CESAR, D. E.; NICOLÁS, M. F.; DINIZ, C. G.; SILVA, V. L.; VASCONCELOS, A. T. R. de; COELHO, C. M. |
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Afiliação: |
JULLIANE DUTRA MEDEIROS, UFMG/ICB; MAURICIO EGIDIO CANTAO, CNPSA; DIONÉIA EVANGELISTA CESAR, UFJF; MARISA FABIANA NICOLÁS, Laboratório Nacional de Computação Científica; CLÁUDIO GALUPPO DINIZ, UFJF; VÂNIA LÚCIA SILVA, UFJF; ANA TEREZA RIBEIRO DE VASCONCELOS, Laboratório Nacional de Computação Científica; CÍNTIA MARQUES COELHO, UFMG/ICB. |
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Título: |
Comparative metagenome of a stream impacted by the urbanization phenomenon. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Brazilian Journal of Microbiology, São Paulo, SP, v. 47, n. 4, p. 835-845, 2016. |
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DOI: |
http://dx.doi.org/10.1016/j.bjm.2016.06.011 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Rivers and streams are important reservoirs of freshwater for human consumption. Theseecosystems are threatened by increasing urbanization, because raw sewage dischargedinto them alters their nutrient content and may affect the composition of their micro-bial community. In the present study, we investigate the taxonomic and functional profileof the microbial community in an urban lotic environment. Samples of running waterwere collected at two points in the São Pedro stream: an upstream preserved and non-urbanized area, and a polluted urbanized area with discharged sewage. The metagenomicDNA was sequenced by pyrosequencing. Differences were observed in the communitycomposition at the two sites. The non-urbanized area was overrepresented by genera ofubiquitous microbes that act in the maintenance of environments. In contrast, the urban-ized metagenome was rich in genera pathogenic to humans. The functional profile indicatedthat the microbes act on the metabolism of methane, nitrogen and sulfur, especially in theurbanized area. It was also found that virulence/defense (antibiotic resistance and metalresistance) and stress response-related genes were disseminated in the urbanized envi-ronment. The structure of the microbial community was altered by uncontrolled anthropicinterference, highlighting the selective pressure imposed by high loads of urban sewagedischarged into freshwater environments. |
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Thesagro: |
Melhoramento genético animal. |
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Thesaurus Nal: |
Animal breeding. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02194naa a2200241 a 4500
001 2058423
005 2016-12-12
008 2016 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1016/j.bjm.2016.06.011$2DOI
100 1 $aMEDEIROS, J. D.
245 $aComparative metagenome of a stream impacted by the urbanization phenomenon.$h[electronic resource]
260 $c2016
520 $aAbstract: Rivers and streams are important reservoirs of freshwater for human consumption. Theseecosystems are threatened by increasing urbanization, because raw sewage dischargedinto them alters their nutrient content and may affect the composition of their micro-bial community. In the present study, we investigate the taxonomic and functional profileof the microbial community in an urban lotic environment. Samples of running waterwere collected at two points in the São Pedro stream: an upstream preserved and non-urbanized area, and a polluted urbanized area with discharged sewage. The metagenomicDNA was sequenced by pyrosequencing. Differences were observed in the communitycomposition at the two sites. The non-urbanized area was overrepresented by genera ofubiquitous microbes that act in the maintenance of environments. In contrast, the urban-ized metagenome was rich in genera pathogenic to humans. The functional profile indicatedthat the microbes act on the metabolism of methane, nitrogen and sulfur, especially in theurbanized area. It was also found that virulence/defense (antibiotic resistance and metalresistance) and stress response-related genes were disseminated in the urbanized envi-ronment. The structure of the microbial community was altered by uncontrolled anthropicinterference, highlighting the selective pressure imposed by high loads of urban sewagedischarged into freshwater environments.
650 $aAnimal breeding
650 $aMelhoramento genético animal
700 1 $aCANTAO, M. E.
700 1 $aCESAR, D. E.
700 1 $aNICOLÁS, M. F.
700 1 $aDINIZ, C. G.
700 1 $aSILVA, V. L.
700 1 $aVASCONCELOS, A. T. R. de
700 1 $aCOELHO, C. M.
773 $tBrazilian Journal of Microbiology, São Paulo, SP$gv. 47, n. 4, p. 835-845, 2016.
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Embrapa Suínos e Aves (CNPSA) |
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| 7. | | PÉREZ, M. G.; MILORI, D. M. B. P.; MARTIN NETO, L.; COLNAGO, L. A.; CAMARGO, O. A. de; BERTON, R.; BETTIOL, W. Laser-induced fluorescence of organic matter from a Brazilian oxisol under sewage sludge applications. Scientia Agricola, Piracicaba, v. 63, n. 3, p. 269-275, maio/jun. 2006.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - B |
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| Registros recuperados : 10 | |
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