the following information is not yet verified
Taxonomy
Family: Helicobacteriaceae
Natural habitats
Gastrointestinal mucosa of primates and animals.
Clinical significance
Helicobacter appears to be responsible for most cases or chronic active gastritis, and is most common known cause of peptic ulcer disease.
the following information is not yet verified
Gram negative helical, curved or straight rods with rounded ends sometimes forming rare spiral shapes.
0.5-5.0 x 2.5-4.0 µm
In older culture, Helicobacter pylori cells become coccoid, with an associated decrease in ability to subculture.
Microaerophilic
Colonies are non-pigmented, translucent, and 1-2 µm.