Marine Bugs and Carbon Flow

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Science  29 Jun 2001:
Vol. 292, Issue 5526, pp. 2444-2445
DOI: 10.1126/science.1062799

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Carbon flow through the plankton food chain of the open ocean is of prime interest because oceans appear to act as carbon sinks, sucking up COfrom the atmosphere. In a Perspective, Fenchel discusses the discovery of a new group of bacteria (the aerobic anoxygenic photoheterotrophs) that may exceed 10% of the marine bacterial population and that may be key players in regulating the flow of carbon through the plankton food chain ( Kolber et al.).