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Introduction of Salmonella Typhi Salmonella Typhi is a member of the family, Enterobacteriaceae and it is a Gram-negative bacillus, non-sporing, non-encapsulated, aerobic, or facultative anaerobe of size 2 to 4 × 0.6 µm that causes enteric fever (typhoid fever) and food poisoning or gastroenteritis. Biochemical …
Introduction The genus Klebsiella is from the surname of German-Swiss microbiologist Edwin Klebs (1834–1913). Klebsiella is a member of the family, Enterobacteriaceae and it is a Gram-negative, oxidase-negative, fimbriated, non -motile, non-sporing rod-shaped bacterium with a prominent polysaccharide-based capsule and having a size of 0.5 to 0.8 …
Introduction of E. coli Escherichia coli is a member of the family, Enterobacteriaceae and it is a Gram-negative, aerobe, and facultative anaerobic, rod-shaped bacterium. The optimal temperature for growth is 36-37°C with most strains growing over the range 18-44 °C. It is a commensal that is found …