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. 2018 Jul 3;9:1414. doi: 10.3389/fmicb.2018.01414

FIGURE 4.

FIGURE 4

Recovery assay following chlamydial infection and tetracycline exposure. The bar graphs compare the average inclusion forming units per ml (IFU/ml) of unexposed controls (mock) with tetracycline-exposed (0.03, 0.5, or 2 μg/ml) chlamydial cultures (mean ± SD). Cultures were either continuously exposed (exp) to tetracycline for 96 h or exposed to tetracycline for 48 h, then further cultured in tetracycline-free medium for 48 h (recovery, rec). Shown are the results for strains (A) SWA-14, (B) SWA-86, (C) SWA-141, and (D) reference strain S45/6. Three independent experiments were performed (n = 3).