DR GARY GAUGLER / SCIENCE PHOTO LIBRARY DR GARY GAUGLER / SCIENCE PHOTO LIBRARY
Bacillus sp. bacteria. Coloured scanning electron micrograph (SEM) of Bacillus sp. bacteria. These rod-shaped, Gram-negative cells are widespread in soil and in the air. Many Bacillus sp. bacteria are responsible for food spoilage. Magnification: x25,000 at 35mm size.
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