Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farms
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/S1517-83822012000400050 http://hdl.handle.net/11449/1433 |
Resumo: | The epidemiological relationships between isolated Staphylococcus aureus strains in milk samples of dairy cows, reagent to California Mastitis Test, individual and group milk was demonstrated in different sites of the production fluxogram, in 12 milk-producing farms in the Gameleira region, municipality of Sacramento MG Brazil, so that localization and transmission modes may be identified. Two hundred and forty-four strains out of 446 samples collected at several sites were isolated and bio-chemically characterized as coagulase-positive staphylococcus. Specific chromosome DNA fragment of the species Staphylococcus aureus was amplified to 106 strains and 103 underwent (PFGE). Samples' collection sites with the highest isolation frequency of Staphylococcus aureus strains comprised papillary ostia (31.1%), CMT-reagent cow milk (21.7%), mechanical milking machines' insufflators (21,7%), milk in milk pails (6.6%) and the milk in community bulk tanks (5.6%). Genetic heterogeneity existed among the isolated 103 Staphylococcus aureus strains, since 32 different pulse-types were identified. Pulse-type 1 had the highest similarity among the isolated strains within the different sites of the milk-production fluxogram. Highest occurrence of pulsetype 1 isolates of Staphylococcus aureus strains was reported in samples collected from the papillary ostia (10.6%), followed by milk samples from CMT-reagent dairy cows (5.8%) and mechanical milking machine insufflators (3.8%). The above shows the relevance of these sites in the agents' transmission mechanism within the context of the farms investigated. |
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Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farmsMastitisStaphylococcus aureusbulk tankPCRPFGEThe epidemiological relationships between isolated Staphylococcus aureus strains in milk samples of dairy cows, reagent to California Mastitis Test, individual and group milk was demonstrated in different sites of the production fluxogram, in 12 milk-producing farms in the Gameleira region, municipality of Sacramento MG Brazil, so that localization and transmission modes may be identified. Two hundred and forty-four strains out of 446 samples collected at several sites were isolated and bio-chemically characterized as coagulase-positive staphylococcus. Specific chromosome DNA fragment of the species Staphylococcus aureus was amplified to 106 strains and 103 underwent (PFGE). Samples' collection sites with the highest isolation frequency of Staphylococcus aureus strains comprised papillary ostia (31.1%), CMT-reagent cow milk (21.7%), mechanical milking machines' insufflators (21,7%), milk in milk pails (6.6%) and the milk in community bulk tanks (5.6%). Genetic heterogeneity existed among the isolated 103 Staphylococcus aureus strains, since 32 different pulse-types were identified. Pulse-type 1 had the highest similarity among the isolated strains within the different sites of the milk-production fluxogram. Highest occurrence of pulsetype 1 isolates of Staphylococcus aureus strains was reported in samples collected from the papillary ostia (10.6%), followed by milk samples from CMT-reagent dairy cows (5.8%) and mechanical milking machine insufflators (3.8%). The above shows the relevance of these sites in the agents' transmission mechanism within the context of the farms investigated.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA) Caprinos e OvinosUniversidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias Departamento de Medicina Veterinária Preventiva e Reprodução AnimalUniversidade Estadual PaulistaUniversidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias Departamento de Ciências ExatasUniversidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias Departamento de Medicina Veterinária Preventiva e Reprodução AnimalUniversidade Estadual PaulistaUniversidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias Departamento de Ciências ExatasSociedade Brasileira de MicrobiologiaEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)Universidade Estadual Paulista (Unesp)Souza, VivianeNader Filho, Antonio [UNESP]Melo, Poliana de Castro [UNESP]Ferraudo, Guilherme Moraes [UNESP]Ferraudo, Antônio Sérgio [UNESP]Conde, Sandra de Oliveira [UNESP]Fogaça Junior, Flavio Augusto [UNESP]2014-05-20T13:13:44Z2014-05-20T13:13:44Z2012-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article1646-1650application/pdfhttp://dx.doi.org/10.1590/S1517-83822012000400050Brazilian Journal of Microbiology. Sociedade Brasileira de Microbiologia, v. 43, n. 4, p. 1646-1650, 2012.1517-8382http://hdl.handle.net/11449/143310.1590/S1517-83822012000400050S1517-83822012000400050WOS:000315286400050S1517-83822012000400050.pdf70112929126099377159757610060958SciELOreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBrazilian Journal of Microbiology1.8100,630info:eu-repo/semantics/openAccess2024-06-06T18:10:12Zoai:repositorio.unesp.br:11449/1433Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T21:57:59.754835Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farms |
title |
Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farms |
spellingShingle |
Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farms Souza, Viviane Mastitis Staphylococcus aureus bulk tank PCR PFGE |
title_short |
Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farms |
title_full |
Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farms |
title_fullStr |
Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farms |
title_full_unstemmed |
Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farms |
title_sort |
Molecular epidemiology of Staphylococcus aureus isolates at different sites in the milk producing dairy farms |
author |
Souza, Viviane |
author_facet |
Souza, Viviane Nader Filho, Antonio [UNESP] Melo, Poliana de Castro [UNESP] Ferraudo, Guilherme Moraes [UNESP] Ferraudo, Antônio Sérgio [UNESP] Conde, Sandra de Oliveira [UNESP] Fogaça Junior, Flavio Augusto [UNESP] |
author_role |
author |
author2 |
Nader Filho, Antonio [UNESP] Melo, Poliana de Castro [UNESP] Ferraudo, Guilherme Moraes [UNESP] Ferraudo, Antônio Sérgio [UNESP] Conde, Sandra de Oliveira [UNESP] Fogaça Junior, Flavio Augusto [UNESP] |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Souza, Viviane Nader Filho, Antonio [UNESP] Melo, Poliana de Castro [UNESP] Ferraudo, Guilherme Moraes [UNESP] Ferraudo, Antônio Sérgio [UNESP] Conde, Sandra de Oliveira [UNESP] Fogaça Junior, Flavio Augusto [UNESP] |
dc.subject.por.fl_str_mv |
Mastitis Staphylococcus aureus bulk tank PCR PFGE |
topic |
Mastitis Staphylococcus aureus bulk tank PCR PFGE |
description |
The epidemiological relationships between isolated Staphylococcus aureus strains in milk samples of dairy cows, reagent to California Mastitis Test, individual and group milk was demonstrated in different sites of the production fluxogram, in 12 milk-producing farms in the Gameleira region, municipality of Sacramento MG Brazil, so that localization and transmission modes may be identified. Two hundred and forty-four strains out of 446 samples collected at several sites were isolated and bio-chemically characterized as coagulase-positive staphylococcus. Specific chromosome DNA fragment of the species Staphylococcus aureus was amplified to 106 strains and 103 underwent (PFGE). Samples' collection sites with the highest isolation frequency of Staphylococcus aureus strains comprised papillary ostia (31.1%), CMT-reagent cow milk (21.7%), mechanical milking machines' insufflators (21,7%), milk in milk pails (6.6%) and the milk in community bulk tanks (5.6%). Genetic heterogeneity existed among the isolated 103 Staphylococcus aureus strains, since 32 different pulse-types were identified. Pulse-type 1 had the highest similarity among the isolated strains within the different sites of the milk-production fluxogram. Highest occurrence of pulsetype 1 isolates of Staphylococcus aureus strains was reported in samples collected from the papillary ostia (10.6%), followed by milk samples from CMT-reagent dairy cows (5.8%) and mechanical milking machine insufflators (3.8%). The above shows the relevance of these sites in the agents' transmission mechanism within the context of the farms investigated. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012-12-01 2014-05-20T13:13:44Z 2014-05-20T13:13:44Z |
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.uri.fl_str_mv |
http://dx.doi.org/10.1590/S1517-83822012000400050 Brazilian Journal of Microbiology. Sociedade Brasileira de Microbiologia, v. 43, n. 4, p. 1646-1650, 2012. 1517-8382 http://hdl.handle.net/11449/1433 10.1590/S1517-83822012000400050 S1517-83822012000400050 WOS:000315286400050 S1517-83822012000400050.pdf 7011292912609937 7159757610060958 |
url |
http://dx.doi.org/10.1590/S1517-83822012000400050 http://hdl.handle.net/11449/1433 |
identifier_str_mv |
Brazilian Journal of Microbiology. Sociedade Brasileira de Microbiologia, v. 43, n. 4, p. 1646-1650, 2012. 1517-8382 10.1590/S1517-83822012000400050 S1517-83822012000400050 WOS:000315286400050 S1517-83822012000400050.pdf 7011292912609937 7159757610060958 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Brazilian Journal of Microbiology 1.810 0,630 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
1646-1650 application/pdf |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Microbiologia |
publisher.none.fl_str_mv |
Sociedade Brasileira de Microbiologia |
dc.source.none.fl_str_mv |
SciELO reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1808129378802991104 |