Brock Biology of Microorganisms
Brock Biology of Microorganisms
Brock Biology of Microorganisms
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BDELLOVIBRIO<br />
Bdellovibrio (0.3 μm) attacking E. coli –<br />
Inter-periplasmic predator!!<br />
Note others such as Vampirococcus<br />
Bdv, - aerobic; delta; forms plaques on agar<br />
12.14 Concept Check<br />
Spirilla are spiral-shaped, chemoorganotrophic prokaryotes<br />
widespread in the aquatic environment. The genera Helicobacter<br />
and Campylobacter are pathogenic spirilla. Spirilla are distributed<br />
among all five subdivisions <strong>of</strong> the Proteobacteria.<br />
• What is a volutin granule?<br />
• What is unique about the spirilla Bdellovibrio and<br />
Magnetospirillum?<br />
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