Foot bacteria, SEM

Bildnummer 12658578
Foot bacteria, SEM
Foot bacteria. Scanning electron micrograph (SEM) of bacteria that live on human feet. Such bacteria metabolise sweat and other substances on the skin. Brevibacterium considered a major cause of foot and shoe odour because they ingest dead skin on the feet and, in the process, convert the amino acid methionine into methanethiol, a colourless gas with a distinctive putrid smell that has a sulfuric aroma. The dead skin that fuels this process is especially common on the soles and between the toes. Brevibacterium also give cheeses their characteristic smell. Magnification: x20000 when printed 10 centimetres wide
Lizenzart: Lizenzfrei
Credit: Science Photo Library / Gschmeissner, Steve
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