Enterotoxins
Mostrando 1-12 de 431 artigos, teses e dissertações.
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1. Bacterial identification, somatic cell count, antimicrobial profile and toxigenic Staphylococcus strains search from mastitic cow milk samples on small farms properties
RESUMO: A mastite bovina impacta negativamente a produção leiteira e pode acarretar riscos à saúde pública. O presente estudo teve como objetivo a avaliação da qualidade do leite bovino proveniente de pequenas propriedades na região de Botucatu/SP. Foi realizada a contagem de células somáticas (CCS), identificação dos patógenos envolvidos nas ma
Pesq. Vet. Bras.. Publicado em: 04/11/2019
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2. Enterotoxin-encoding genes in Staphylococcus aureus from buffalo milk
RESUMO: Este estudo investigou a ocorrência de isolados de Staphylococcus aureus e a detecção de genes que codificam a enterotoxigenicidade dessas cepas em leite de búfala utilizado na produção de laticínios no Brasil. As amostras foram coletados em 30 búfalos da raça Murrah, identificado por testes laboratoriais convencionais, foram identificados u
Pesq. Vet. Bras.. Publicado em: 14/10/2019
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3. Coexistence of virulence genes in methicillin-resistant Staphylococcus aureus clinical isolates
Abstract INTRODUCTION: The pathogenic versatility of Staphylococcus aureus is attributed to various virulence genes, including enterotoxins and hemolysins. METHODS: Here, the virulence genes in 177 nosocomial MRSA strains in Porto Alegre, Brazil were detected by PCR. RESULTS: The overall prevalence rates were as follows: sea, 4.5%; pvl, 18.6%; tst, 27.
Rev. Soc. Bras. Med. Trop.. Publicado em: 2018-06
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4. Occurrence of genes encoding enterotoxins in uropathogenic Escherichia coli isolates
To determine the presence of some toxins of diarrheagenic Escherichia coli (DEC) in uropathogenic E. coli (UPEC), 138 urinary tract infection (UTI)-causing UPECs were analyzed. The astA, set, sen and cdtB genes were detected in 13 (9.4%), 2 (1.3%), 13 (9.4%) and 0 (0%) of UPEC isolates respectively. The results show that some genes encoding toxins can be tra
Braz. J. Microbiol.. Publicado em: 2015-03
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5. Sanitary quality, occurrence and identification of Staphylococcus sp: in food services
Sanitary conditions are essential for the production of meals and control of the presence of pathogensis important to guarantee the health of customers. The aim of this study was to evaluate the sanitary quality of food services by checking the presence of thermotolerant coliforms, Staphylococcus sp. and evaluate the toxigenic potential from the latter. The
Braz. J. Microbiol.. Publicado em: 2014-09
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6. The influence of ripening period length and season on the microbiological parameters of a traditional Brazilian cheese
The ripening process of Serro Minas cheese, one of the most popular cheeses produced with raw milk in Brazil, was studied over the course of 60 days of ripening during dry and rainy seasons. Brazilian legislation prohibits the production of cheese from raw milk unless it was submitted to a maturation period greater than 60 days. However Minas Serro cheese is
Braz. J. Microbiol.. Publicado em: 17/12/2013
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7. Assessing the epidemiological data of Staphylococcus aureus food poisoning occurred in the State of Rio Grande do Sul, Southern Brazil
Staphylococcal food poisoning is one of the most frequent foodborne illnesses worldwide and it is caused by the ingestion of food contaminated with enterotoxins produced by some strains of Staphylococcus (S.) aureus. In the State of Rio Grande do Sul (RS), Southern Brazil, S. aureus has been identified as the second most frequent agent of foodborne illnesses
Braz. J. Microbiol.. Publicado em: 17/12/2013
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8. Enterotoxigenic potential of Staphylococcus aureus isolated from Artisan Minas cheese from the Serra da Canastra - MG, Brazil
This study aimed to evaluate the presence of enterotoxigenic S. aureus in the endogenous starter and in Artisan Minas cheeses from the Serra da Canastra. Sixteen samples of endogenous starters and cheese were collected during the rainy and dry seasons. The isolation and enumeration of S. aureus were performed using the PetrifilmTM-Rapid S. aureus Plate Count
Food Sci. Technol. Publicado em: 10/05/2013
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9. Enterotoxigenicity of Staphylococcus aureus isolated from traditional and commercial dairy products marketed in Iran
This study was conducted to determine the prevalence rate, enterotoxigenecity, and antimicrobial resistance of S. aureus isolated from dairy products in Iran. From September 2010 to July 2011, a total of 347 samples from various dairy products, traditional and commercial, were collected from randomly selected retail stores. Overall, 20 samples (5.8%) were fo
Braz. J. Microbiol.. Publicado em: 2013
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10. Fatores de virulência de Bacillus cereus isolado na cadeia produtiva do leite na microrregião de Viçosa, Minas Gerais / Virulence factors of Bacillus cereus isolated in milk production chain in the microregion of Viçosa, Minas Gerais
A ocorrência de Bacillus cereus na cadeia produtiva do leite cru e de fatores de virulência associados a intoxicação diarréica foi avaliada em dois sistema de produção, um tecnificado e outro, não. Inicialmente o isolamento do micro-organismo foi feito no meio seletivo MYP (Manitol-Egg Yolk-Polymyxin), em tanques de armazenamento de leite, latão de
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 03/02/2012
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11. Influência do período de maturação e das estações do ano nos parâmetros físico-químicos e microbiológicos do queijo Minas artesanal da região do Serro
Minas traditional Serro cheese is a product that has a high consumption and appreciation in Brazil. The main objective of this work was to verify the ripening and dry and rainy seasons influence on hygienical-sanitary indicators, pathogenic microorganisms, Staphylococcal enterotoxins and physicochemical characteristics of this cheese to find out the microbio
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/05/2011
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12. Characterisation of virulence genes in methicillin susceptible and resistant Staphylococcus aureus isolates from a paediatric population in a university hospital of Medellín, Colombia
Virulence and antibiotic resistance are significant determinants of the types of infections caused by Staphylococcus aureus and paediatric groups remain among the most commonly affected populations. The goal of this study was to characterise virulence genes of methicillin-susceptible S. aureus (MSSA) and methicillin-resistant S. aureus (MRSA) strains isolate
Memórias do Instituto Oswaldo Cruz. Publicado em: 2011-12