Chlorobium
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Chlorobium is of the family Chlorobiaceae, the green sulfur bacteria. Bacteria of the genus Chlorobium are photolithotrophic oxidizers of sulfur. Most notably, they utilise a noncyclic electron transport chain to reduce NAD+. Hydrogen sulfide is used as an electron source and carbon dioxide its carbon source.
Chlorobium exhibit a dark green color; in a Winogradsky column, the green layer often observed is composed of Chlorobium. This genus lives in strictly anaerobic conditions below the surface of a body of water, commonly the anaerobic zone of a eutrophic lake.
Species of this genus include C. limicola and C. tepidum. The complete genome of C. tepidum, which consists of 2.15 megabases (Mb), has recently been published.
[edit] References
- Prescott, Harley, Klein. (2005). Microbiology pp. 195, 493, 597, 618-619, 339.
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