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Nineteen coagulase-negative staphylococci (CNS) strains were found in commercial and artisanal salami. The species in commercial salami were<jats:italic>S. saprophyticus<\/jats:italic>,<jats:italic>S. sciuri<\/jats:italic>,<jats:italic>S. xylosus<\/jats:italic>, and<jats:italic>S. carnosus<\/jats:italic>. Artisanal salami showed<jats:italic>S. succinus<\/jats:italic>,<jats:italic>S. epidermidis<\/jats:italic>, and<jats:italic>S. hominis<\/jats:italic>but no<jats:italic>S. carnosus<\/jats:italic>. Phylogenetic analyses grouped the strains into three major staphylococcal species groups, comprised of 4 refined clusters with similarities superior to 90%. Fifteen strains harbored multiple enterotoxin genes, with high incidence of<jats:italic>seb<\/jats:italic>\/<jats:italic>sec<\/jats:italic>and<jats:italic>sea<\/jats:italic>, 57% and 50%, respectively, intermediate incidence of<jats:italic>sed<\/jats:italic>\/<jats:italic>seh<\/jats:italic>\/<jats:italic>selm<\/jats:italic>and<jats:italic>sei<\/jats:italic>\/<jats:italic>seln<\/jats:italic>\/<jats:italic>tst<\/jats:italic>-H, 33% and 27%, correspondingly, and low incidence of<jats:italic>see<\/jats:italic>\/<jats:italic>selj<\/jats:italic>\/<jats:italic>selo<\/jats:italic>and<jats:italic>seg<\/jats:italic>, of respectively 13% and 1%. Real time RT-PCR and enzyme-linked-immunosorbent assays confirmed the enterotoxigenicity of the strains, which expressed and produced enterotoxins<jats:italic>in vitro<\/jats:italic>. The CNS strains showed multiresistance to several antimicrobials of therapeutic importance in both human and veterinarian medicine, such as<jats:italic>\u03b2<\/jats:italic>-lactams, vancomycin, and linezolid. The effective control of undue staphylococci in fermented meat products should be adopted to prevent or limit the risk of food poisoning and the spread of antimicrobial-resistant strains.<\/jats:p>","DOI":"10.1155\/2015\/483548","type":"journal-article","created":{"date-parts":[[2015,11,30]],"date-time":"2015-11-30T21:44:19Z","timestamp":1448919859000},"page":"1-17","source":"Crossref","is-referenced-by-count":15,"title":["Safety Evaluation of the Coagulase-Negative Staphylococci Microbiota of Salami: Superantigenic Toxin Production and Antimicrobial Resistance"],"prefix":"10.1155","volume":"2015","author":[{"given":"Raquel","family":"Soares Casaes Nunes","sequence":"first","affiliation":[{"name":"Instituto de Qu\u00edmica, Universidade Federal do Rio de Janeiro, Avenida Athos da Silveira Ramos 149, Sala 545, Cidade Universit\u00e1ria, 21949-909 Rio de Janeiro, RJ, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eduardo","family":"Mere Del 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