TABLE 3.

Adherence and invasion by htrB strains of bronchial epithelial cells

StrainGenotypeCell associationa (%)SEMbInvasiona (%)SEMPc
2019htrB+2940.790.13NA
B29htrB mutant2280.040.0180.008
B29(pKKH1)ΔhtrB (htrB+)1970.180.0040.004
B29(pKKH2)ΔhtrB (htrB+)33110.240.0210.002
  • a Percentage of the initial inoculum.

  • b n = 4.

  • c P values were calculated by using a paired t test.