Helicobacter heilmannii High power Warthin-Starry stain (conganat.uninet.edu)
Definition A gram negative tightly coiled urease producing bacillus that is morphologically distinct from Helicobacter pylori, which can be cultured from about 0.3% of individuals living in developed countries.
It is the most common non-pylori Helicobacter spp and has a 90% homology in the 16s RNA nucleotide sequence with H pylori.
Clinical findings H heilmannii causes mild chronic gastritis, which may be associated with peptic ulceration and, like Helicobacter pylori, is linked to gastric carcinoma.
Synonym Gastrospirillum hominis