Helicobacter pylor

الناقل : elmasry | الكاتب الأصلى : shimaa_alex | المصدر : sayadla.com

Helicobacter are Gram-negative, aerobic or microaerophilic, spiral-shaped bacilli that are motile by way of flagella at one end of the cell. Closely related to Helicobacter are species of the genera Aquaspirillum, Azospirillum, Spirillum, and Camplyobacter. The genetics of Helicobacter pylori are complex; there are many strains of H ...