TABLE 1.

Expression of flaB′-′xylE, flaA′-′xylE, and flgI′-′xylE reporter genes in various H. pylori strains

H. pylori strainRelevant genotypeXylE activity (U/min/108 cells) for reporter genea:
flaB2′-′xylEflaB1′-′xylEflaA′-′xylEflgI′-′xylE
ATCC 43504Wild type12.4 ± 4.99.0 ± 2.121.5 ± 10.95.2 ± 2.3
HP31flgR:cat2.6 ± 1.90.3 ± 0.317.2 ± 6.32.2 ± 0.4
HP22flgS:cat4.1 ± 1.90.1 ± 0.219.2 ± 7.95.6 ± 2.9
  • a Values represent the averages of at least six replicates ± standard deviations.