TABLE 4.

Colonization capacity of H. influenzae and isogenic htrB mutants

StrainhtrBColonization of human respiratory xenograftsa
TypeInoculumNo. colonized/total no.
E1a+b10310/10
E1a∗b1031/10
R3001+NTHi10210/10
R3001aNTHi1022/10
2019+NTHi10310/10
B29NTHi1030/10
  • a Colonization is defined as present if the xenograft flush or homogenate culture yielded H. influenzae 5 days (flush) or 7 days (homogenate) after inoculation.