Animated coloured scanning electron micrograph (SEM) of Escherichia coli bacteria. The tubes connecting the bacteria are pili, which are used to transfer genetic material between bacteria in a process known as conjunction. E. coli are Gram-negative rod-shaped bacteria that are part of the normal flora of the human gut. Some strains produce a toxin that causes severe diarrhoea and can be fatal, especially in the very young or elderly. Magnification: x27, 800 when printed at 10 centimetres wide. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library |
Modell-Rechte: | nicht erforderlich |
Länge: | 30 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |