Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitis
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/32963 |
Resumo: | Escherichia coli is a normal inhabitant of the enteric microflora of human and animal. Intestinal and extra-intestinal infections caused by E. coli in mammals are characterized by the presence of diversity of virulence factors. In addition it can be isolated from environment surrounding human and animal farms. E. coli is the main environmental pathogen causing clinical mastitis in dairy cattle. It causes a wide range of disease severity, from changes seen exclusively in milk to severe systemic signs. The severity of clinical mastitis has been conventionally classified into three levels: mild (grade 1), moderate (score 2), and severe (score 3). Recently, reports of cases of bovine mastitis caused by environmental agents have been on the rise, in particular in countries that have succeeded in controlling contagious microorganisms. Unlike enteric and certain extra-enteric conditions in domestic animals and humans, the impact of virulence factors on the occurrence of bovine mastitis due to E. coli, as well as the clinical severity of the cases, is not fully understood. In this regard, the present study reviewed the most relevant virulence factors of E. coli in human and animals, with emphasis in bovine mastitis. |
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Semina. Ciências Agrárias (Online) |
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Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitisFatores de virulência de Escherichia coli: revisão de infecções em humanos e animais com ênfase na mastite bovinaMammary glandVirulence propertiesColiform mastitisGlândula mamáriaMecanismos de virulênciaMastite por coliformesEscherichia coli is a normal inhabitant of the enteric microflora of human and animal. Intestinal and extra-intestinal infections caused by E. coli in mammals are characterized by the presence of diversity of virulence factors. In addition it can be isolated from environment surrounding human and animal farms. E. coli is the main environmental pathogen causing clinical mastitis in dairy cattle. It causes a wide range of disease severity, from changes seen exclusively in milk to severe systemic signs. The severity of clinical mastitis has been conventionally classified into three levels: mild (grade 1), moderate (score 2), and severe (score 3). Recently, reports of cases of bovine mastitis caused by environmental agents have been on the rise, in particular in countries that have succeeded in controlling contagious microorganisms. Unlike enteric and certain extra-enteric conditions in domestic animals and humans, the impact of virulence factors on the occurrence of bovine mastitis due to E. coli, as well as the clinical severity of the cases, is not fully understood. In this regard, the present study reviewed the most relevant virulence factors of E. coli in human and animals, with emphasis in bovine mastitis.Escherichia coli (E. coli) é um micro-organismo que pertence a microbiota entérica de humanos e animais. As afecções entéricas e extra-entéricas causadas por E.coli em mamíferos são caracterizadas pela presença de ampla diversidade de fatores de virulência. Além disso, este micro-organismo também pode ser isolado em ambientes de produção animal. E. coli é o principal agente ambiental que causa mastite clínica em vacas leiteiras, provocando sinais clínicos que podem variar desde mudanças observadas exclusivamente no leite até sinais sistêmicos graves. A gravidade da mastite clínica é convencionalmente classificada em três níveis: leve (grau 1), moderada (grau 2), e grave (grau 3). Atualmente, os relatos de casos de mastite bovina causada por agentes ambientais têm aumentando, principalmente nos países que conseguiram controlar os micro-organismos contagiosos. Diferentemente de infecções entéricas e certas extra-entéricas em humanos e animais, o impacto dos fatores de virulência de E. coli na ocorrência de mastite bovina não é totalmente compreendido, assim como na gravidade clínica dos casos. Neste contexto, o presente estudo revisou os fatores de virulência de E. coli mais relevantes para humanos e animais, com ênfase na mastite bovina.UEL2019-07-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/otherapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/3296310.5433/1679-0359.2019v40n5p2087Semina: Ciências Agrárias; Vol. 40 No. 5 (2019); 2087-2100Semina: Ciências Agrárias; v. 40 n. 5 (2019); 2087-21001679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELenghttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/32963/25662Copyright (c) 2019 Semina: Ciências Agráriashttp://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessGuerra, Simony TrevizanPaula, Carolina Lechinski deBolaños, Carmen Alicia DazaHernandes, Rodrigo TavanelliRibeiro, Márcio Garcia2022-10-19T12:10:22Zoai:ojs.pkp.sfu.ca:article/32963Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2022-10-19T12:10:22Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitis Fatores de virulência de Escherichia coli: revisão de infecções em humanos e animais com ênfase na mastite bovina |
title |
Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitis |
spellingShingle |
Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitis Guerra, Simony Trevizan Mammary gland Virulence properties Coliform mastitis Glândula mamária Mecanismos de virulência Mastite por coliformes |
title_short |
Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitis |
title_full |
Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitis |
title_fullStr |
Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitis |
title_full_unstemmed |
Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitis |
title_sort |
Virulence factors of Escherichia coli: an overview of animal and human infections with emphasis in bovine mastitis |
author |
Guerra, Simony Trevizan |
author_facet |
Guerra, Simony Trevizan Paula, Carolina Lechinski de Bolaños, Carmen Alicia Daza Hernandes, Rodrigo Tavanelli Ribeiro, Márcio Garcia |
author_role |
author |
author2 |
Paula, Carolina Lechinski de Bolaños, Carmen Alicia Daza Hernandes, Rodrigo Tavanelli Ribeiro, Márcio Garcia |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Guerra, Simony Trevizan Paula, Carolina Lechinski de Bolaños, Carmen Alicia Daza Hernandes, Rodrigo Tavanelli Ribeiro, Márcio Garcia |
dc.subject.por.fl_str_mv |
Mammary gland Virulence properties Coliform mastitis Glândula mamária Mecanismos de virulência Mastite por coliformes |
topic |
Mammary gland Virulence properties Coliform mastitis Glândula mamária Mecanismos de virulência Mastite por coliformes |
description |
Escherichia coli is a normal inhabitant of the enteric microflora of human and animal. Intestinal and extra-intestinal infections caused by E. coli in mammals are characterized by the presence of diversity of virulence factors. In addition it can be isolated from environment surrounding human and animal farms. E. coli is the main environmental pathogen causing clinical mastitis in dairy cattle. It causes a wide range of disease severity, from changes seen exclusively in milk to severe systemic signs. The severity of clinical mastitis has been conventionally classified into three levels: mild (grade 1), moderate (score 2), and severe (score 3). Recently, reports of cases of bovine mastitis caused by environmental agents have been on the rise, in particular in countries that have succeeded in controlling contagious microorganisms. Unlike enteric and certain extra-enteric conditions in domestic animals and humans, the impact of virulence factors on the occurrence of bovine mastitis due to E. coli, as well as the clinical severity of the cases, is not fully understood. In this regard, the present study reviewed the most relevant virulence factors of E. coli in human and animals, with emphasis in bovine mastitis. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-07-04 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/other |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/32963 10.5433/1679-0359.2019v40n5p2087 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/32963 |
identifier_str_mv |
10.5433/1679-0359.2019v40n5p2087 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/32963/25662 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2019 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2019 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 40 No. 5 (2019); 2087-2100 Semina: Ciências Agrárias; v. 40 n. 5 (2019); 2087-2100 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
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1799306079721488384 |