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. 2022 May 13;13:898815. doi: 10.3389/fmicb.2022.898815

Figure 4.

Figure 4

Effect of free capsular polysaccharide on the lytic action of indolicidin. Peumococcal strains St 245/00 (A), St 0603, serotype 6B (B), D39, serotype 2 and its capsule-negative mutant (C), and TIGR4 and its capsule-negative mutant (D) were treated with indolicidin preincubated with purified CPS 6B. Each bar represents the percent in survival relative to the control group. Statistical analysis was performed using Student’s t-test. *p < 0.05 in comparison with indolicidin treatment in absence of CPS. ns, not significant.