ID#: 6632
Caption:
This photomicrograph depicts two ciliated Tetrahymena pyriformis protozoa containing red chains of intracellular, Legionella pneumophila bacteria, which were undergoing multiplication. Experiments have shown that L. pneumophila bacteria can reproduce intracellularly acting as a parasite inside of the ciliated protozoan, T. pyriformis, forming “serpentine chains of approximately 103 L. pneumophila” organisms. (B S Fields, E B Shotts, Jr, J C Feeley, G W Gorman, and W T Martin, Appl Environ Microbiol. 1984 Mar;47(3):467-71)
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Content Provider(s): CDC/ Don Howard
Creation Date: 1984
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