TABLE 1.

Strains used in this study

Strain	Characteristic(s) or natural host	Reference or source
E. coli
MC1061	F′ araD139 Δ(ara-leu)7696 galE15 galK16, Δ(lacX74) rpsL hsdR2 mcrA mcrB1	5
H. pylori	Human
N6	Parental strain	16
26695	Parental strain	49
SS1	Parental strain	32
SS1-444a	SS1-amiEΩaac(3)-IV	This work
SS1-437b	SS1-amiFΩaphA-3	This work
SS1-444a-437b	SS1-amiEΩaac(3)IVamiFΩaphA-3	This work
H. pylori (pluri-ethnic collection)	Human	D. E. Berg
H. acinonychis ATCC 51101	Cheetah	12; via CIPa
H. felis CS1, ATCC 49179	Cat, dog	37; via R. Ferrero
H. mustelae R85-13-6P, ATCC 43772	Ferret	19; via CIP
H. pametensis B9A, ATCC 51478	Bird, swine	10; via CIP
H. cinaedi 165, ATCC 35683	Human, hamster	52; via CIP
H. bilis MIT Hb1, ATCC 51630	Mouse, dog, human	20; via CIP
H. canis ATCC 51401	Dog, human	46; via CIP
H. muridarum	Mouse, rat
ST1, ATCC 49282		33; via CIP
ST2		33; via J. L. O'Rourke
ST3		33; via J. L. O'Rourke
ST5		33; via J. L. O'Rourke
H. hepaticus ATCC 51449	Mouse	18; via J. G. Fox
H. fenelliae 231, ATCC 35684	Human	50; via CIP

^aCIP, Collection of the Institut Pasteur.