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. 2005 Jul;73(7):4222–4230. doi: 10.1128/IAI.73.7.4222-4230.2005

TABLE 4.

Adherence of M. catarrhalis wild-type strain O35E and mutant O35EkdtA to human epithelia

Strain Adherencea (%)
Chang cells HeLa cells A549 cells
O35E 44.0 ± 6.6 42.6 ± 7.6 25.9 ± 11.2
O35EkdtA 20.6 ± 6.4* 19.0 ± 6.3* 25.1 ± 2.6
a

Adherence of M. catarrhalis organisms to human epithelia is expressed as mean (± standard deviation) percentage of bacteria attached to the human cells, based on the number of original bacteria that were added to the well. *, compared with O35E (P < 0.01, using chi-square test).