dissemination of blakpc-2 by the spread of cc258-klebsiella pneumoniae clones (st258, st11, st437) and plasmids (incfii, incn, incl/m) among enterobacteriaceae species in brazil.this study reports the spread of bla(kpc-2) in são paulo and rio de janeiro states facilitated by globally spread cc258-k. pneumoniae clones (st258, st11, st437) and a diversity of plasmids (incfii, incn, incl/m, two untypeable plasmids carrying tn4401a or tn4401b) successfully disseminated among enterobacteriaceae species (enterobacter cloacae, serratia marcescens and citrobacter freundii). it also constitutes the first description of st258 in brazil which was associated with a nosocomial hospi ...201121576442
extended-spectrum beta-lactamases among enterobacteriaceae isolated in a public hospital in brazil.extended-spectrum beta-lactamases (esbl) in enterobacteria are recognized worldwide as a great hospital problem. in this study, 127 esbl-producing enterobacteriaceae isolated in one year from inpatients and outpatients at a public teaching hospital at são paulo, brazil, were submitted to analysis by pcr with specific primers for bla shv, bla tem and bla ctx-m genes. from the 127 isolates, 96 (75.6%) klebsiella pneumoniae, 12 (9.3%) escherichia coli, 8 (6.2%) morganella morganii, 3 (2.3%) proteus ...200919739000
molecular epidemiology of a nosocomial outbreak due to enterobacter cloacae and enterobacter agglomerans in campinas, são paulo, brazil.a total of 73 isolates (57 enterobacter cloacae and 16 enterobacter agglomerans), recovered during an outbreak of bacteremia in the campinas area, são paulo, brazil, were studied. of these isolates, 61 were from parenteral nutrition solutions, 9 from blood cultures, 2 from a sealed bottle of parenteral nutrition solution, and one was of unknown origin. of the 57 e. cloacae isolates, 54 were biotype 26, two were biotype 66 and one was non-typable. of 39 e. cloacae isolates submitted to ribotyping ...200010742720
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