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Detection of enterotoxin genes of Staphylococcus sp isolated from nasal cavities and hands of food handlers
Rall, V. L. M; Sforcin, J. M; Augustini, V. C. M; Watanabe, M. T; Fernandes Júnior, A; Rall, R; Silva, M. G; Araújo Júnior, J. P.
  • Rall, V. L. M; Universidade Estadual Paulista. Instituto de Biociências. Departamento de Microbiologia e Imunologia. Botucatu. BR
  • Sforcin, J. M; Universidade Estadual Paulista. Instituto de Biociências. Departamento de Microbiologia e Imunologia. Botucatu. BR
  • Augustini, V. C. M; Universidade Estadual Paulista. Instituto de Biociências. Departamento de Microbiologia e Imunologia. Botucatu. BR
  • Watanabe, M. T; Universidade Estadual Paulista. Instituto de Biociências. Departamento de Microbiologia e Imunologia. Botucatu. BR
  • Fernandes Júnior, A; Universidade Estadual Paulista. Instituto de Biociências. Departamento de Microbiologia e Imunologia. Botucatu. BR
  • Rall, R; Faculdade de Tecnologia. Botucatu. BR
  • Silva, M. G; Universidade Estadual Paulista. Departamento de Patologia. Botucatu. BR
  • Araújo Júnior, J. P; Universidade Estadual Paulista. Instituto de Biociências. Departamento de Microbiologia e Imunologia. Botucatu. BR
Braz. j. microbiol ; 41(1): 59-65, Jan.-Mar. 2010. ilus, tab
Article in English | LILACS | ID: lil-531735
ABSTRACT
Food handlers, an important factor in food quality, may contain bacteria that are able to cause foodborne disease. The present study aimed to research coagulase-negative (CNS) and -positive staphylococci (CPS) in 82 food handlers, analyzing nasal and hand swabs, with identification of 62 CNS (75.6 percent) and 20 CPS strains (24.4 percent). Staphylococcal enterotoxins genes were investigated by PCR. In 20 CPS strains, 19 were positive for one or more genes. The percentage of CNS presenting genes for enterotoxins was high (46.8 percent). Despite of the staphylococcal species, the most common gene was sea (35.4 percent), followed by seh and sej (29.2 percent). The detection of new staphylococcal enterotoxins (SEs) genes showed a higher pathogenic potential in this genus. The presence of these gene points out the importance of CNS not only as contaminant bacteria but also as a pathogen.
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Full text: Available Index: LILACS (Americas) Main subject: Polymerase Chain Reaction / Coagulase / Enterotoxins / Food Handling / Nasal Cavity Type of study: Diagnostic study / Prognostic study Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: Faculdade de Tecnologia/BR / Universidade Estadual Paulista/BR

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Full text: Available Index: LILACS (Americas) Main subject: Polymerase Chain Reaction / Coagulase / Enterotoxins / Food Handling / Nasal Cavity Type of study: Diagnostic study / Prognostic study Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: Faculdade de Tecnologia/BR / Universidade Estadual Paulista/BR