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. Author manuscript; available in PMC: 2015 Sep 4.
Published in final edited form as: Nat Commun. 2015 Jul 28;6:7828. doi: 10.1038/ncomms8828

Figure 4. Opsonophagocytic killing curves using strain C486 modA4 ON/OFF strain pair.

Figure 4

Assays were carried out using guinea pig antiserum raised against purified HMW proteins from NTHi strain 12, with NTHi strain C486 harbouring the modA4 ON/OFF pair. Three independent assays were carried out per strain, with error bars representing one s.d. Statistical significance was calculated using Student's t-test, and was <0.05 at all dilutions of antiserum. Individual P values—1:10 = 0.034; 1:20 = 0.0185; 1:40 = 0.0012; 1:80 = 0.009; 1:160 = 0.0065.