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. 2016 May 24;7:696. doi: 10.3389/fmicb.2016.00696

Table 1.

Summary of Antimicrobial (EC50) assays for Francisella strains.

Francisella tularensis subsp. LVS Francisella tularensis subsp. novicida Francisella philomiragia
Levofloxacin EC50 (μg/ml) 0.00827 0.00843 0.0146
95% CI (0.00524–0.0131) (0.00413–0.0172) (0.00696–0.0305)
mCRAMP EC50 (μg/ml) 0.381 0.0453 5.27
95% CI (0.239–0.607) (0.0284–0.0723) (2.93–9.46)
LL-37 EC50 (μg/ml) 1.15 0.0724 3.61
95% CI (0.604–2.18) (0.0331–0.158) (2.36–5.53)

EC50 values plus 95% confidence intervals for F. philomiragia, F. tularensis subsp. novicida, and F. tularensis subsp. LVS susceptibility against levofloxacin and the cathelicidins LL-37 and mCRAMP.