DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Kitchen sponge microbes. Kitchen sponges can accumulate food and microbes when used for long periods of time and are not thoroughly cleaned. The moisture and food particles in a dirty sponge make it a perfect environment for microorganisms to grow (such as, bacteria and fungi). Their waste products give the sponge a distinctive smell. Features shown in this photomicrograph are: sponge surface (brown); bacteria (rod-shaped, green and blue colours); filamentous fungi (thin and thick filaments, orange and purple colours); yeast fungi (round spheres, yellow colour). Magnification: x580 when shortest axis printed at 25 millimetres.
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