Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2012 |
| Outros Autores: | , , , , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositório Institucional da FIOCRUZ (ARCA) |
| Texto Completo: | https://www.arca.fiocruz.br/handle/icict/18831 |
Resumo: | Universidade Federal do Estado do Rio de Janeiro. Departamento de Microbiologia e Parasitologia. Rio de Janeiro, RJ, Brasil. |
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Silva, Agostinho A. de Lima eCarvalho, Márcia A. Ribeiro deSouza, Sérgio A. L deDias, Patrícia M. TeixeiraSilva Filho, Renato G. daSaramago, Carmen S. de MeirellesBento, Cleonice A. de MeloHofer, Ernesto2017-05-11T17:51:49Z2017-05-11T17:51:49Z2012SILVA, Agostinho A. de Lima e; et al. Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage. Brazilian Journal of Microbiology, p.1620-1631, 2012.1517-8382https://www.arca.fiocruz.br/handle/icict/188311678-4405engSociedade Brasileira de MicrobiologiaTolerância a metalResistência antimicrobianaPigmentoInibição enzimáticaEsgotometal tolerancesewagepigmentenzymatic inhibitionantimicrobial resistanceHeavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewageinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleUniversidade Federal do Estado do Rio de Janeiro. Departamento de Microbiologia e Parasitologia. Rio de Janeiro, RJ, Brasil.Universidade Federal do Estado do Rio de Janeiro. Departamento de Microbiologia e Parasitologia. Rio de Janeiro, RJ, Brasil.Universidade Federal do Estado do Rio de Janeiro. Departamento de Microbiologia e Parasitologia. Rio de Janeiro, RJ, Brasil.Universidade Federal do Estado do Rio de Janeiro. Departamento de Microbiologia e Parasitologia. Rio de Janeiro, RJ, Brasil.Universidade Federal do Estado do Rio de Janeiro. Departamento de Microbiologia e Parasitologia. Rio de Janeiro, RJ, Brasil.Universidade Federal do Estado do Rio de Janeiro. Departamento de Microbiologia e Parasitologia. Rio de Janeiro, RJ, Brasil.Universidade Federal do Estado do Rio de Janeiro. Departamento de Microbiologia e Parasitologia. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Zoonoses Bacterianas. Rio de Janeiro, RJ. Brasil.Samples of sewage from a university hospital and a chemistry technical school were analysed for the percentage of bacterial tolerance to chromium (Cr), silver (Ag) and mercury (Hg). Additionally, we investigated the effect of these metals on pigmentation and on some enzymatic activities of the metal tolerant strains isolated, as well as antimicrobial resistance in some metal tolerant Enterobacteriaceae strains. Tolerance to Cr was observed mainly in Gram positive bacteria while in the case of Ag and Hg the tolerant bacteria were predominately Gram negative. Hg was the metal for which the percentage of tolerance was significantly higher, especially in samples from the hospital sewage (4.1%). Mercury also had the most discernible effect on color of the colonies. Considering the effect of metals on the respiratory enzymes, one strain of Ag-tolerant Bacillus sp. and one of Hg-tolerant P. aeruginosa were unable to produce oxidase in the presence of Ag and Hg, respectively, while the expression of gelatinase was largely inhibited in various Gram negative strains (66% by Cr). Drug resistance in Hg-tolerant Enterobacteriaceae strains isolated from the university hospital sewage was greater than 80%, with prevalence of multiple resistance, while the Ag-tolerant strains from the same source showed about 34% of resistance, with the predominance of mono-resistance. Our results showed that, despite the ability of metal tolerant strains to survive and grow in the presence of these elements, the interactions with these metals may result in metabolic or phisiological changes in this group of bacteria.info:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/18831/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALernesto_hofer_etal_IOC_2012.pdfernesto_hofer_etal_IOC_2012.pdfapplication/pdf227090https://www.arca.fiocruz.br/bitstream/icict/18831/2/ernesto_hofer_etal_IOC_2012.pdf82edaa5ab3f7b9d260c7a52e3d2d1cbbMD52TEXTernesto_hofer_etal_IOC_2012.pdf.txternesto_hofer_etal_IOC_2012.pdf.txtExtracted texttext/plain49797https://www.arca.fiocruz.br/bitstream/icict/18831/3/ernesto_hofer_etal_IOC_2012.pdf.txt759bd71c3d01ab617f0f0800f004190dMD53icict/188312018-08-15 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| dc.title.pt_BR.fl_str_mv |
Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage |
| title |
Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage |
| spellingShingle |
Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage Silva, Agostinho A. de Lima e Tolerância a metal Resistência antimicrobiana Pigmento Inibição enzimática Esgoto metal tolerance sewage pigment enzymatic inhibition antimicrobial resistance |
| title_short |
Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage |
| title_full |
Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage |
| title_fullStr |
Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage |
| title_full_unstemmed |
Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage |
| title_sort |
Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage |
| author |
Silva, Agostinho A. de Lima e |
| author_facet |
Silva, Agostinho A. de Lima e Carvalho, Márcia A. Ribeiro de Souza, Sérgio A. L de Dias, Patrícia M. Teixeira Silva Filho, Renato G. da Saramago, Carmen S. de Meirelles Bento, Cleonice A. de Melo Hofer, Ernesto |
| author_role |
author |
| author2 |
Carvalho, Márcia A. Ribeiro de Souza, Sérgio A. L de Dias, Patrícia M. Teixeira Silva Filho, Renato G. da Saramago, Carmen S. de Meirelles Bento, Cleonice A. de Melo Hofer, Ernesto |
| author2_role |
author author author author author author author |
| dc.contributor.author.fl_str_mv |
Silva, Agostinho A. de Lima e Carvalho, Márcia A. Ribeiro de Souza, Sérgio A. L de Dias, Patrícia M. Teixeira Silva Filho, Renato G. da Saramago, Carmen S. de Meirelles Bento, Cleonice A. de Melo Hofer, Ernesto |
| dc.subject.other.pt_BR.fl_str_mv |
Tolerância a metal Resistência antimicrobiana Pigmento Inibição enzimática Esgoto |
| topic |
Tolerância a metal Resistência antimicrobiana Pigmento Inibição enzimática Esgoto metal tolerance sewage pigment enzymatic inhibition antimicrobial resistance |
| dc.subject.en.pt_BR.fl_str_mv |
metal tolerance sewage pigment enzymatic inhibition antimicrobial resistance |
| description |
Universidade Federal do Estado do Rio de Janeiro. Departamento de Microbiologia e Parasitologia. Rio de Janeiro, RJ, Brasil. |
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2012 |
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2012 |
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2017-05-11T17:51:49Z |
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2017-05-11T17:51:49Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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SILVA, Agostinho A. de Lima e; et al. Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage. Brazilian Journal of Microbiology, p.1620-1631, 2012. |
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https://www.arca.fiocruz.br/handle/icict/18831 |
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1517-8382 |
| dc.identifier.eissn.none.fl_str_mv |
1678-4405 |
| identifier_str_mv |
SILVA, Agostinho A. de Lima e; et al. Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage. Brazilian Journal of Microbiology, p.1620-1631, 2012. 1517-8382 1678-4405 |
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Sociedade Brasileira de Microbiologia |
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Sociedade Brasileira de Microbiologia |
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