Family Helicobacteraceae
Garrity et al. 2006
Gram negative, curved, spiral, or fusiform rods. Old or air-exposed cells become coccoid. Motile by
multiple flagella. Microaerophilic. Carbohydrates are not fermented or oxidized (except glucose
oxidation by H. pylori). Generally positive for oxidase & catalase (excepting Wolinella). Gelatin,
starch, casein, and tyrosine are not hydrolyzed. Methyl red and Voges–Proskauer are negative.
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R E G N U M
PROKARYOTAE
Genus Helicobacter
Goodwin et al. 1989
ABIS online
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* marked species are not included
in ABIS biochemical database
NOTES

According to Suerbaum et al.
Helicobacter nemestrinae Brondson et
al. 1991 is a junior heterotypic synonym
of
Helicobacter pylori

Helicobacter bilis
include the reference
strains of
Helicobacter sp. "Flexispira"
taxa 2, 3 and 8 and Finnish canine and
feline flexispira strains. M.-L. Hanninen
et al.
Genus Wolinella
Tanner et al. 1981
Wolinella curva  (see Campylobacter curvus)
Wolinella recta  (see Campylobacter rectus)
Wolinella succinogenes