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- Title
Dense populations of a giant sulfur bacterium in Namibian shelf sediments.
- Authors
Schulz, H N; Brinkhoff, T; Ferdelman, T G; Mariné, M H; Teske, A; Jorgensen, B B
- Abstract
A previously unknown giant sulfur bacterium is abundant in sediments underlying the oxygen minimum zone of the Benguela Current upwelling system. The bacterium has a spherical cell that exceeds by up to 100-fold the biovolume of the largest known prokaryotes. On the basis of 16S ribosomal DNA sequence data, these bacteria are closely related to the marine filamentous sulfur bacteria Thioploca, abundant in the upwelling area off Chile and Peru. Similar to Thioploca, the giant bacteria oxidize sulfide with nitrate that is accumulated to </=800 millimolar in a central vacuole.
- Publication
Science (New York, N.Y.), 1999, Vol 284, Issue 5413, p493
- ISSN
0036-8075
- Publication type
Journal Article
- DOI
10.1126/science.284.5413.493