BIOCHEMICAL CHARACTERISTICS Morphology: long and slender peritrichous flagella, no capsule, terminal located round spore(drum-stick apperance ts diameter greater than vegetative cell Culture: obligate anaerobic; Gram (+)i swarming occures on blood agar, faint hemolysis Biochemical activitiesidoes not ferment any carbohydrate and proteins a Resistance: tolerate boiling for 60 min alive several ten years in 2-5x 0.3-0.Sum soil Classification and antigenic Types: C tetani is the on species. There are no serotypesBIOCHEMICAL CHARACTERISTICS ◼ Morphology: long and slender; peritrichous flagella,no capsule, terminal located round spore(drum-stick apperance), its diameter greater than vegetative cell. ◼ Culture:obligate anaerobic; Gram(+); swarming occures on blood agar, faint hemolysis. ◼ Biochemical activities:does not ferment any carbohydrate and proteins. ◼ Resistance: tolerate boiling for 60 min.alive several ten years in soil. ◼ Classification and Antigenic Types: C tetani is the only species. There are no serotypes 2-5 x 0.3-0.5um