Antimicrobial susceptibility patterns of some recently established coryneform bacteria

The susceptibility patterns of 480 isolates representing six recently defined species of coryneform bacteria (Corynebacterium amycolatum n = 101, Corynebacterium auris n = 48, Corynebacterium glucuronolyticum n = 86, Brevibacterium casei n = 50, Dermabacter hominis n = 49, and Turicella otitidis n = 146) to 17 antimicrobial agents were determined by an agar dilution method. Most significantly, for C. amycolatum strains the MICs at which 90% of isolates are inhibited were > or = 32 micrograms/ml for nearly all agents. However, all 480 strains examined were susceptible to glycopeptide antibiotics.