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Figure 5 | BMC Microbiology

Figure 5

From: Two variants among Haemophilus influenzae serotype b strains with distinct bcs4, hcsA and hcsB genes display differences in expression of the polysaccharide capsule

Figure 5

SBA with serial dilutions of a high titer serum using type I and type II Hib strains as target cells. The serum sample was diluted over a range of 1:8 (23) to 1:262,144 (218) and mixed with type I or with type II bacteria in the presence of baby rabbit complement. The SBA titer using the type I strain as target is 1:2,048 (211), whereas the type II target strain yields a titer of 1:4,096 (212). The pro-zone effect, growth in the presence of high concentrations of serum, is more pronounced for the type I strain.

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BMC Microbiology

ISSN: 1471-2180

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