Unformatted text preview: μ m), which puts them at or below the limits of resolution of a light microscope. Even their colonies are so tiny that a magnifying glass is used to observe them. Because their plasma membranes must be stronger than those of other bacteria, they must incorporate sterols in the membrane, so their growth media must include sterols, which most bacteriological media do not. They also are grown in tissue cultures. Mycoplasma pneumoniae —causes atypical primary pneumonia (walking pneumonia) b. Spiroplasma species, which are pathogens of plants and insects that feed on plants. Cells have a corkscrew shape. c. Ureaplasma species—sometimes associated with urinary tract infections. They produce an enzyme that can split urea....
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- Fall '09
- Bacteria, Listeriosis, phagocytic, bacteria Listeria monocytogenes, c. Ureaplasma