Table 1.

Secretion of UreA, UreB, HspA, and HspB into the culture supernatant during H. pylori growth and stationary phasesa

Time point (h)Secreted antigen (%)
UreAUreBHspAHspB
1263320
24113320
36113320
48201.52.5>30
  • a The results are expressed as the percentage of secreted antigen: the amount of secreted antigen was divided by the total amount of the same antigen in the culture (see legend to Fig. 3).