Methicillin-resistant Staphylococcus aureus CC398 isolates with indistinguishable ApaI restriction patterns in colonized and infected pigs and humans

19A, p. 34. American Society for Microbiology, Washington, DC, USA. J Antimicrob Chemother 2010 doi:10.1093/jac/dkq343 Advance Access publication 16 September 2010 High frequency of b-lactam susceptibility in CTX-M-type extended- spectrum-b-lactamase-producing Klebsiella pneumoniae, Escherichia coli and Proteus mirabilis according to the new CLSI recommendations Katia Ruschel Pilger de Oliveira1, Ana Lucia Peixoto de Freitas2, Denise Maria Cunha Willers1, Afonso Luis Barth1,2*† and Alexandre Prehn Zavascki3† Unidade de Microbiologia e Biologia Molecular, Servico de Patologia Clinica, Hospital de Clinicas de Porto Alegre, Avenida Ramiro Barcelos 2350, 90.035-903, Porto Alegre, RS, Brazil; Departamento de Analises, Faculdade de Farmacia da Universidade Federal do Rio Grande do Sul, Avenida Ramiro Barcelos 2350, 90.035-903, Porto Alegre, RS, Brazil; Servico de Infectologia Hospital de Clinicas de Porto Alegre, Avenida Ramiro Barcelos 2350, 90.035-903, Porto Alegre, RS, Brazil *Corresponding author. Servico de Patologia Clinica, Hospital de Clinicas de Porto Alegre, Avenida Ramiro Barcelos 2350, 90.035-903, Porto Alegre, RS, Brazil. Tel/Fax: +51-21018607; E-mail: albarth@hcpa.ufrgs.br †Both senior authors, who have contributed equally.