TABLE 1.

Differentiating features of unusual gram-positive coccia

GenusCATPYRLAPVancomycinGas from glucoseEsculin hydrolysisGrowth in 6.5% NaCl
LeuconostocR+VV
Globicatella+S++
Pediococcus+RVV
Gemella+VS
A. viridans+SV+
Helcococcus+S+V
Our organism isolates+MIC = 8.0 μg/ml
  • a For details, see reference 8. +, positive; −, negative; CAT, catalase; PYR, pyrrolidonylarylamidase; V, variable; R, resistant; S, susceptible.