Published on December 12, 2014
• • • • • Year : 1897 Discovered by : Kiyoshi Shiga (a Japanese microbiologist) At the time, Dr. Shiga was currently investigate of a “ sekiri ” (Japanese word meaning red diarrhea) outbreak. Description : • First isolated from faeces of dysentery patients. • When the bacteria is cultivated and fed to dog, dysentery occurred. • He named it Bacillus dysenterie which it produced toxins (now named Shiga toxins) that causes shigellosis. • In 1930, the Bergey’s Manual of Determinative Bacteriology renamed the bacteria as Shigella . • Confirmed S. dysenteriae as the cause of dysentery by simple agglutination technique. • S. dysenteriae coalesced when exposed to the serum of dysentery patients.