Interaction of the sulfur and iron cycles in the Tinto River ecosystem |
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| Authors: | Amils R. González-Toril E. Fernández-Remolar D. Gómez F. Rodríguez N. Durán C. |
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| Affiliation: | (1) Centro de Astrobiología, CSIC-INTA, Torrejón de Ardoz, 28850 Madrid, Spain;;(2) Centro de Biología Molecular, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain |
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| Abstract: | The identification, in the Tinto River (IberianPyritic Belt), of iron- and sulfur-oxidizingprokaryotes responsible for the extremeconditions of acidity (mean pH 2.3) and highconcentration of heavy metals found in itswaters (Fe, Cu, Zn, As, Cr), together withiron- and sulfur-reducing prokaryoticactivities, strongly suggest the coupledoperation of the iron and the sulfur cycles inthis ecosystem. |
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| Keywords: | chemolithotrophy geomicrobiology iron bioformations iron cycle sulfur cycle Tinto River |
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