Fig 1.
Granulibacter bethesdensis is serum resistant. (A, B) Bacteria were cultured for 24 h in the presence of the indicated concentrations of pooled human serum (A) or serum treated at 56°C for 30 min (B). Results are expressed as the mean percentages of untreated control at 24 h ± standard errors of the means (SEM) for the indicated number of experiments.