Differences among Nocardia spp. in susceptibility to aminoglycosides and beta-lactam antibiotics and their potential use in taxonomy.


Using disk diffusion and agar dilution methods, 109 clinical isolates of Nocardia were tested against 10 antimicrobial agents. A species difference in susceptibility was noted for cefamandole, carbenicillin, gentamicin, and kanamycin. These differences in susceptibility may be of use taxonomically as well as having some potential use clinically. 


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