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Fig. 5 | BMC Microbiology

Fig. 5

From: Investigation of Streptococcus salivarius-mediated inhibition of pneumococcal adherence to pharyngeal epithelial cells

Fig. 5

Adherence of pneumococcal serotype 6A to pharyngeal epithelial cells following pre-administration of treated S. salivarius K12. Approximately 1.5 × 106 CFU pneumococci were added to D562 monolayers at an MOI of 10:1. Pneumococcal adherence was determined when incubated with pneumococci alone (Pnc, normalised to 100 %), or pre-incubated for 1 h with approximately 1.5 × 107 CFU S. salivarius K12 (untreated), or treated with sodium periodate, Pronase E, heat-killed (heat), or spectinomycin. Data are mean + SD; n ≥ 3. * indicates p < 0.05, ** indicates p < 0.001 when compared to Pnc alone (Student’s t test)

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