TABLE 1.

Species of Helicobacter and Campylobacter used in this study

Organism	Classification
H. pylori NCTC 11367T	Gastric
H. pylori J99T	Gastric
H. pylori 26695T	Gastric
H. pylori 968a	Gastric
H. pylori 1320a	Gastric
H. pylori 1330a	Gastric
H. mustelae 2G1b	Gastric
H. mustelae 2H1b	Gastric
H. felis 2I4b	Gastric
H. muridarum 2A5b	Enterohepatic
H. canadensis CCUG 47163Tc	Enterohepatic
H. pullorum CCUG 33837Tc	Enterohepatic
H. canis CIP 104753c	Enterohepatic
C. jejuni 1.1d	Enteric
C. jejuni 1.2d	Enteric

^aClinical isolate kindly provided by Maria Lurdes Monteiro.

^bIsolate kindly provided by Jay Solnick.

^cIsolate kindly provided by Francis Mégraud.

^dEnvironmental isolate.