Escherichia coli. Coloured transmission electron micrograph of the enterobacteriaceae bacteria Escherichia coli. They are rod-shaped,Gram- negative and motile bacteria. The cell contents is coloured red; nuclear material is blue. E.coli inhabit the intestinal tract where they play a nutritional role by synthesizing vitamins,especially vitamin K. As a facultative aerobe,E. coli consumes oxygen,rendering the large intestine anaerobic. Some strains of E. coli are pathogenic,causing diarrhoea & urinary tract infections. Magnification: x10,000 at 35mm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Biophoto Associates |
Taille de l’image : | 3714 px × 4807 px |
Model Release : | Non requis |
Property Release : | Non requis |
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