1, Helicobacterpylori or helicobacter pylori, English name, abbreviated as Hp. Gram-negative, slightly aerobic bacteria live in different areas of the stomach and duodenum. Can cause mild chronic inflammation of gastric mucosa, and even lead to gastric and duodenal ulcers and gastric cancer.
2.BarryJ found it. This is a unipolar, multi-flagellated, blunt-rounded, spirally curved bacterium. It is 2.5 ~ 4.0μ m long and 0.5 ~ 1.0μ m wide. Helicobacter pylori is a kind of micro-aerobic bacteria, which needs 5-8% ambient oxygen and cannot grow in the atmosphere or absolutely oxygen-free environment.
3. Helicobacter pylori is a spiral, mild anaerobic bacteria, which has strict requirements on growth conditions. 1983 was successfully isolated from gastric mucosa biopsy of patients with chronic active gastritis for the first time, and it is the only microbial species that can live in human stomach at present.