Escherichia coli

abbr. E. coli .

A small rod-shaped facultative anaerobic Gram-negative bacterium named after its discoverer, the German physician Theodor Escherich.

Escherichia coli has a length of approximately 2-4 micrometers and a diameter of approximately 1 micrometer. Most wild-type strains are motile although most laboratory strains do not possess flagellae.

Escherichia coli is a member of the larger family Enterobacteriaceae and thus is related closely to Salmonella typhimurium, Shigella spp, Klebsiella, and the plant pathogen Erwinia spp. Escherichia coli can be identified by specific biochemical and physiological characteristics and by specific antigenic reactions (see also: endotoxins).

Escherichia coli is found in the human intestinal tract and constitutes approximately 1 % of all microorganisms that can be cultivated from human ... ... ... ...
 
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Entry last modified: September 2017