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| Registros recuperados : 12 | |
| 5. |  | SILVA, C. A. da; TESSIER, E.; SIVA FILHO, E. V.; WASSERMAN, J. C. F. A. Biomagnificación del mercurio en la cadena pelágica marina de la región de surgencia de Cabo Frío, RJ, Brasil. In: SIMPOSIO INTERNACIONAL DE CIENCIAS DEL MAR, 2., 2009, Vigo. Resúmenes... Vigo: Faculdade de Ciencias del Mar, 2009.| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| 6. | | WASSERMAN, J. C.; ALMEIDA, A. M.; PEREZ, D. V.; WASSERMAN, M. A.; MACHADO, W. Evaluation of contaminants spreading from sludge piles, applying geochemical fractionation and attenuation of concentrations model in a tropical reservoir. Environmental Monitoring and Assessment, v. 191, n. 7, 426, Jul. 2019.| Biblioteca(s): Embrapa Solos. |
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| 8. | | CARNEIRO, M. T.; PEREZ, D. V.; FEITOSA, R. C.; MACENA, L. G. P.; MIAGOSTOVICH, M. P.; WASSERMAN, J. C. Escherichia coli capacity to repopulate microcosms under osmotic/U.V. synergic stress in tropical waters. Current Microbiology, v. 78, n. 2, p. 756-764, Feb. 2021.| Biblioteca(s): Embrapa Solos. |
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| 9. | | SILVA, C. A. da; TESSIER, E.; KUTTER, V. T.; WASSERMAN, J. C.; DONARD, O. F. X.; SILVA FILHO, E. V. Mercury speciation in fish of the Cabo Frio upwelling region, SE-Brasil. Brazilian Journal of Oceanography, São Paulo, v. 59, n. 3, p. 259-266, 2011.| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| 11. | | SILVA, M. M. da; WASSERMAN, M. A. V.; WASSERMAN, J. C. de F. A.; PEREZ, D. V.; PEREIRA, T. R.; BARRETO, M. B.; SANTOS-OLIVEIRA, R. Effect of nanomaterials on the bioavailability of metals in sediments from a highly impacted tropical coastal environment. Environmental Nanotechnology, Monitoring & Management, v. 20, 100799, Dec. 2023.| Biblioteca(s): Embrapa Solos. |
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| 12. | | SILVA, C. A. da; GARCIA, C. A. B.; SANTANA, H. L. P. de; PONTES, G. C. de; WASSERMAN, J. C.; COSTA, S. S. L. da. Metal and metalloid concentrations in marine fish marketed in Salvador, BA, northeastern Brazil, and associated human health risks. Regional Studies in Marine Science, v. 43, 101716, 2021.| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| Registros recuperados : 12 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Solos. |
|
Data corrente: |
28/09/2020 |
|
Data da última atualização: |
07/12/2020 |
|
Tipo da produção científica: |
Nota Técnica/Nota Científica |
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Autoria: |
CARNEIRO, M. T.; PEREZ, D. V.; FEITOSA, R. C.; WASSERMAN, J. C. |
|
Afiliação: |
MARCOS TAVARES CARNEIRO, UFF/FIOCRUZ; DANIEL VIDAL PEREZ, CNPS; RENATO CASTIGLIA FEITOSA, FIOCRUZ; JULIO CESAR WASSERMAN, UFF. |
|
Título: |
Separation of Escherichia coli from natural samples for identification of sources and microcosm inoculation. |
|
Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Brazilian Journal Of Microbiology, v. 51, p. 2015-2020, 2020. |
|
DOI: |
https://doi.org/10.1007/s42770-020-00374-2 |
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Idioma: |
Inglês |
|
Conteúdo: |
Obtaining uncultured Escherichia coli from natural waters is an important step in the study of microbes in the environment, which are critical for bacterial decay and microbial source tracking. The quality of the samples used can influence the assays, because high contaminant concentrations, differing cell ages, and physiologic states can impair results. The proposed separation is based on a three-step filtration method applied to replicates of seven samples from a sewage plant affluent, collected in different periods. Aliquots of the leachate were inoculated into microcosms, aiming to observe the cultivability of the cells. The assay resulted in colimetry values ranging between 104 and 105 cells. In the leachate, averages of 1.05% of total coliforms and 1.10% of Escherichia coli were recovered from original samples. Although enduring unfavorable temperatures, salinities, and nutritional conditions, the inoculated microcosm populations grew approximately 310 times after 24 h. The final leachate contained cultivable cells in appropriate physiological states and quantities for inoculum in microcosm sets. The bacteria obtained from the leachate were also appropriate for surveys of microbial source tracking, because, in the developed procedure, organisms were separated from contaminants, while cell concentrations were sufficient for inocula. |
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Thesagro: |
Águas Residuais; Bactéria; Escherichia Coli; Rastreamento. |
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Thesaurus NAL: |
Strains; Wastewater. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/218815/1/Separation-of-Escherichia-coli-from-natural-samples-2020.pdf
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|
Marc: |
LEADER 02106naa a2200241 a 4500
001 2125143
005 2020-12-07
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s42770-020-00374-2$2DOI
100 1 $aCARNEIRO, M. T.
245 $aSeparation of Escherichia coli from natural samples for identification of sources and microcosm inoculation.$h[electronic resource]
260 $c2020
520 $aObtaining uncultured Escherichia coli from natural waters is an important step in the study of microbes in the environment, which are critical for bacterial decay and microbial source tracking. The quality of the samples used can influence the assays, because high contaminant concentrations, differing cell ages, and physiologic states can impair results. The proposed separation is based on a three-step filtration method applied to replicates of seven samples from a sewage plant affluent, collected in different periods. Aliquots of the leachate were inoculated into microcosms, aiming to observe the cultivability of the cells. The assay resulted in colimetry values ranging between 104 and 105 cells. In the leachate, averages of 1.05% of total coliforms and 1.10% of Escherichia coli were recovered from original samples. Although enduring unfavorable temperatures, salinities, and nutritional conditions, the inoculated microcosm populations grew approximately 310 times after 24 h. The final leachate contained cultivable cells in appropriate physiological states and quantities for inoculum in microcosm sets. The bacteria obtained from the leachate were also appropriate for surveys of microbial source tracking, because, in the developed procedure, organisms were separated from contaminants, while cell concentrations were sufficient for inocula.
650 $aStrains
650 $aWastewater
650 $aÁguas Residuais
650 $aBactéria
650 $aEscherichia Coli
650 $aRastreamento
700 1 $aPEREZ, D. V.
700 1 $aFEITOSA, R. C.
700 1 $aWASSERMAN, J. C.
773 $tBrazilian Journal Of Microbiology$gv. 51, p. 2015-2020, 2020.
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