Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Digital do Instituto Evandro Chagas (Patuá) |
Texto Completo: | https://patua.iec.gov.br/handle/iec/476 |
Resumo: | This study identified and characterised class 1 and 2 integrons in clinical and environmental Vibrio cholerae O1 and non-O1/non-O139 strains isolated from the Brazilian Amazon. The aadA2 and aadA7 gene cassettes were found in class 1 integrons in two genotypes of environmental V. cholerae non-O1/non-O139. Empty integrons were found in strains from the Brazilian cholera epidemic. A class 2 integron was detected in one strain from the V. cholerae Amazonia lineage harbouring sat1 and aadA1 genes. All isolates were resistant to aminoglycosides, indicating aadA functionality. These findings suggest that environmental bacteria act as cassette reservoirs that favour the emergence of resistant pathogens. |
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Morais, Lena Líllian Canto de SáFonseca, Érica Lourenço daPellegrini, MaíraFreitas, FernandaLoureiro, Edvaldo Carlos BritoVicente, Ana Carolina Paulo2016-01-26T11:32:32Z2016-01-26T11:32:32Z2010MORAIS, Lena Líllian Canto de Sá. Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon. Memórias do Instituto Oswaldo Cruz, v. 105, n. 2, p. 229-232, Mar. 20100074-0276https://patua.iec.gov.br/handle/iec/476This study identified and characterised class 1 and 2 integrons in clinical and environmental Vibrio cholerae O1 and non-O1/non-O139 strains isolated from the Brazilian Amazon. The aadA2 and aadA7 gene cassettes were found in class 1 integrons in two genotypes of environmental V. cholerae non-O1/non-O139. Empty integrons were found in strains from the Brazilian cholera epidemic. A class 2 integron was detected in one strain from the V. cholerae Amazonia lineage harbouring sat1 and aadA1 genes. All isolates were resistant to aminoglycosides, indicating aadA functionality. These findings suggest that environmental bacteria act as cassette reservoirs that favour the emergence of resistant pathogens.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Belém, PA, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Genética Molecular de Microrganismos. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Genética Molecular de Microrganismos. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Genética Molecular de Microrganismos. Rio de Janeiro, RJ, Brasil.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Belém, PA, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Genética Molecular de Microrganismos. 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dc.title.pt_BR.fl_str_mv |
Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon |
title |
Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon |
spellingShingle |
Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon Morais, Lena Líllian Canto de Sá Vibrio cholerae / isolamento & purificação Vibrio cholerae / classificação Reação em Cadeia da Polimerase Ecossistema Amazônico Região Amazônica (BR) |
title_short |
Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon |
title_full |
Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon |
title_fullStr |
Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon |
title_full_unstemmed |
Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon |
title_sort |
Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon |
author |
Morais, Lena Líllian Canto de Sá |
author_facet |
Morais, Lena Líllian Canto de Sá Fonseca, Érica Lourenço da Pellegrini, Maíra Freitas, Fernanda Loureiro, Edvaldo Carlos Brito Vicente, Ana Carolina Paulo |
author_role |
author |
author2 |
Fonseca, Érica Lourenço da Pellegrini, Maíra Freitas, Fernanda Loureiro, Edvaldo Carlos Brito Vicente, Ana Carolina Paulo |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Morais, Lena Líllian Canto de Sá Fonseca, Érica Lourenço da Pellegrini, Maíra Freitas, Fernanda Loureiro, Edvaldo Carlos Brito Vicente, Ana Carolina Paulo |
dc.subject.decsPrimary.pt_BR.fl_str_mv |
Vibrio cholerae / isolamento & purificação Vibrio cholerae / classificação Reação em Cadeia da Polimerase Ecossistema Amazônico Região Amazônica (BR) |
topic |
Vibrio cholerae / isolamento & purificação Vibrio cholerae / classificação Reação em Cadeia da Polimerase Ecossistema Amazônico Região Amazônica (BR) |
description |
This study identified and characterised class 1 and 2 integrons in clinical and environmental Vibrio cholerae O1 and non-O1/non-O139 strains isolated from the Brazilian Amazon. The aadA2 and aadA7 gene cassettes were found in class 1 integrons in two genotypes of environmental V. cholerae non-O1/non-O139. Empty integrons were found in strains from the Brazilian cholera epidemic. A class 2 integron was detected in one strain from the V. cholerae Amazonia lineage harbouring sat1 and aadA1 genes. All isolates were resistant to aminoglycosides, indicating aadA functionality. These findings suggest that environmental bacteria act as cassette reservoirs that favour the emergence of resistant pathogens. |
publishDate |
2010 |
dc.date.issued.fl_str_mv |
2010 |
dc.date.accessioned.fl_str_mv |
2016-01-26T11:32:32Z |
dc.date.available.fl_str_mv |
2016-01-26T11:32:32Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
MORAIS, Lena Líllian Canto de Sá. Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon. Memórias do Instituto Oswaldo Cruz, v. 105, n. 2, p. 229-232, Mar. 2010 |
dc.identifier.uri.fl_str_mv |
https://patua.iec.gov.br/handle/iec/476 |
dc.identifier.issn.-.fl_str_mv |
0074-0276 |
identifier_str_mv |
MORAIS, Lena Líllian Canto de Sá. Occurrence and composition of class 1 and class 2 integrons in clinical and environmental O1 and non-O1/non-O139 Vibrio cholerae strains from the Brazilian Amazon. Memórias do Instituto Oswaldo Cruz, v. 105, n. 2, p. 229-232, Mar. 2010 0074-0276 |
url |
https://patua.iec.gov.br/handle/iec/476 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
dc.publisher.none.fl_str_mv |
Instituto Oswaldo Cruz |
publisher.none.fl_str_mv |
Instituto Oswaldo Cruz |
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Instituto Evandro Chagas (IEC) |
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IEC |
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IEC |
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Repositório Digital do Instituto Evandro Chagas (Patuá) |
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Repositório Digital do Instituto Evandro Chagas (Patuá) |
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