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First Report of the Bacterium Thioploca in the Benguela Ecosystem off Namibia

  • V.A. Gallardo (a1), E. Klingelhoeffer (a2), W. Arntz (a3) and M. Graco (a1)
Abstract

Thioploca are sulphur oxidizing-nitrate reducing gliding filamentous benthic bacteria belonging to the Beggiatoaceae. In this paper we report on the discovery of Thioploca resulting from a commercial fishery survey of Trachurus capensis (horse mackerel) and Merluccius capensis (hake) carried out off Namibia between 18°00·1′S and 25°00·8′S from 4–10 December 1996, on board the RV ‘Welwitschia’. The first positive finding of sheathed, presumably vacuolated, Thioploca in the Benguela Current ecosystem is now reported.

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W.E. Arntz , J. Tarazona , V.A. Gallardo , L.A. Flores & H. Salzwedel , 1991. Benthos communities in oxygen deficient shelf and upper slope areas of the Peruvian and Chilean Pacific coast, and changes caused by El Niño. Geological Society Special Publication, 58, 131154.

J. Boulégue & J. Denis , 1983. Sulfide speciations in upwelling areas. In Coastal upwelling. Its sedimentary record. Part A. Responses of the sedimentary regime to present coastal upwelling (ed. Suess E. and Thiede J. ), pp. 439454, New York: Plenum Press.

H. Fossing et al., 1995. Concentration and transport of nitrate by the mat-forming sulphur bacterium Thioploca. Nature, London, 374, 713715.

M.J. Larkin & W.R. Strohl , 1983. Beggiatoa, Thiothrix, and Thioploca. Annual Review of Microbiology, 37, 341367.

S. Maier & V.A. Gallardo , 1984. Thioploca araucae sp. nov. and Thioploca chileae sp. nov. International Journal of Systematic Bacteriology, 34, 414418.

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Journal of the Marine Biological Association of the United Kingdom
  • ISSN: 0025-3154
  • EISSN: 1469-7769
  • URL: /core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom
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