Persister cell levels of selected human pathogenic streptococci. Overnight cultures of indicated streptococcal strains were treated with 100-fold MIC of gentamicin (A) or 100-fold MIC of ciprofloxacin (B) over time. The values are means of two biological replicates and error bars indicate the standard deviation.
Willenborg et al. BMC Microbiology 2014 14:120 doi:10.1186/1471-2180-14-120