Clostridium perfringens bacterium with spore

Clostridium perfringens bacterium with spore

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Credit: CNRI/SCIENCE PHOTO LIBRARY

Caption: False-colour transmission electron micrograph (TEM) of a Clostridium perfringens bacterium with endospore. This species of Gram-positive, spore- forming soil bacteria is seen towards the end of spore formation (sporulation). At lower centre, it has developed an endospore (green) with membrane (red). This is a resting phase induced by adverse conditions, & the spore will germinate when condi- tions become favourable. C.perfringens causes blood poisoning, food poisoning & gas gangrene in humans. It produces an exotoxin (alpha-toxin) that can digest human tissue, and contaminate meat food sources. Magnification: x20,000 at 6x7cm size.

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Keywords: bacteria, bacteria causin, bacterial, bacteriology, bacterium, blood poiso, clostridium, clostridium perfringens, electron micrograph, endospore, food poisoning, gangrene, gas gangrene, infect, micro-organisms, microbe, microbes, microbiology, spore, tem, transmission, type

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