Detection of enterotoxin genes of Staphylococcus sp isolated from nasal cavities and hands of food handlers
Braz. j. microbiol
; 41(1): 59-65, Jan.-Mar. 2010. ilus, tab
Article
em En
| LILACS
| ID: lil-531735
Biblioteca responsável:
BR32.1
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.
Palavras-chave
Texto completo:
1
Base de dados:
LILACS
Assunto principal:
Reação em Cadeia da Polimerase
/
Coagulase
/
Enterotoxinas
/
Manipulação de Alimentos
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Cavidade Nasal
Tipo de estudo:
Diagnostic_studies
/
Prognostic_studies
Idioma:
En
Ano de publicação:
2010
Tipo de documento:
Article