DAVID SCHARF / SCIENCE PHOTO LIBRARY DAVID SCHARF / SCIENCE PHOTO LIBRARY
Streptomyces bacteria. Coloured scanning electron micrograph (SEM) of Streptomyces sp. bacteria. These soil bacteria are responsible for the musty odour of soil. Some Streptomyces bacteria produce antibiotics such as streptomycin. The Streptomyces bacteria share many characteristics with fungi, growing in the soil as a branching network (mycelium) of filaments (hyphae). Magnification: x4,000 at 6x7cm size. x6600 at 4x5".
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