Detection of enterotoxigenic Staphylococcus aureus isolates in raw milk cheese. (Articolo in rivista)

Type
Label
  • Detection of enterotoxigenic Staphylococcus aureus isolates in raw milk cheese. (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1111/j.1472-765X.2007.02231.x (literal)
Alternative label
  • Paola Cremonesi; Giliola Perez; Giuliano Pisoni, Paolo Moroni; Stefano Morandi; Massimo Luzzana; Milena Brasca; Bianca Castiglioni (2007)
    Detection of enterotoxigenic Staphylococcus aureus isolates in raw milk cheese.
    in Letters in applied microbiology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paola Cremonesi; Giliola Perez; Giuliano Pisoni, Paolo Moroni; Stefano Morandi; Massimo Luzzana; Milena Brasca; Bianca Castiglioni (literal)
Pagina inizio
  • 586 (literal)
Pagina fine
  • 591 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 45 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#descrizioneSinteticaDelProdotto
  • Pubblicazione scientifica riguardante la messa a punto e l’utilizzo di un metodo rapido, semplice e di facile riproducibilità per l’identificazione di ceppi enterotossinogeni di Staphylococcus aureus eventualmente presenti nel formaggio. (literal)
Note
  • Scopus (literal)
  • Google Scholar (literal)
  • PubMe (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IBBA-CNR Milano; DiSTeB-Unimi Milano; DIPAV-Unimi Milano; ISPA-CNR, Milano (literal)
Titolo
  • Detection of enterotoxigenic Staphylococcus aureus isolates in raw milk cheese. (literal)
Abstract
  • To develop an easy, rapid and efficient DNA extraction procedure for Staphylococcus aureus detection with a low number of steps and removing completely the PCR inhibitors, applicable to raw milk cheese samples, and to compare phenotypical and genotypical method to detect Staphylococcus aureus isolates and staphylococcal enterotoxins (SEs) production. A total of 33 bovine and caprine raw milk cheese samples were analysed by means of both classic microbiological and molecular techniques. All samples were positive for Staphylococcus aureus contamination. The DNA extraction protocol optimized was found to achieve a detection limit of 100 CFU g)1 for Staphylococcus aureus. None of the samples tested with immunological assays contained SEs but in 14 of 33 samples a mixture of se positive (sea, sec, sed, seg, sel, sej) isolates were identified. Staphylococcus aureus is a food-borne pathogen mainly detected in finished dairy products. The rapid and efficient detection of Staphylococcus aureus isolates from dairy products is essential for consumer safety. The direct detection of pathogens from food is possible with careful attention to sample preparation and nucleic acid amplification optimization. Significance and Impact of the Study: This study shows that raw milk cheese samples can be tested for Staphylococcus aureus contamination with a rapid, simple and reproducible procedure. (literal)
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