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Revista argentina de microbiología

versão impressa ISSN 0325-7541versão On-line ISSN 1851-7617

Resumo

MASSA, R. et al. Whole-cell protein profiles are useful for distinguishing enterococcal species recovered from clinical specimens. Rev. argent. microbiol. [online]. 2007, vol.39, n.4, pp.199-203. ISSN 0325-7541.

Whole-cell protein analysis was performed for differentiating 150 enterococcal isolates to the species level, which had previously been identified by extended phenotypic conventional tests. Whole-cell protein profile (WCPP) showed a high degree of similarity within species and comparison between species revealed important differences in band profiles. All Enterococcus faecalis and Enterococcus faecium isolates were properly located into their corresponding species, regardless of their clinical source and susceptibility pattern. Moreover, WCPP allowed relocation of some isolates that had erroneously been identified by the usual conventional scheme (i.e. two atypical arginine-negative E. faecalis isolates). WCPP proved to be a simple method to ascertain the various enterococcal species, especially those other than E. faecalis, and may be a suitable tool for high-complexity or reference clinical laboratories.

Palavras-chave : Enterococci; whole-cell protein profile.

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