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Figure 3 | BMC Infectious Diseases

Figure 3

From: Virulence-related traits of epidemic Acinetobacter baumannii strains belonging to the international clonal lineages I-III and to the emerging genotypes ST25 and ST78

Figure 3

Bacterial adherence to and invasion of A549 bronchial epithelial cells. (A) Cell surface-associated bacteria after 60 min incubation at 37°C. Statistically significant differences (p <0.05) among different STs are indicated with asterisks. (B) Intracellular bacterial counts (CFU/well) obtained after 60 min incubation of A549 cells with bacterial strains and subsequent treatment for 30 min at 37°C with colistin (5 mg/L). Statistically significant differences among different STs (p <0.05) are indicated with asterisks. Each value represents the mean ± standard deviation (error bar) of three independent experiments performed in duplicate.

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