Pyrite Oxidation by Halotolerant, Thermotolerant Bacteria

Abstract:

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Thermotolerant “Thiobacillus prosperus”-like bacteria were enriched from warm, acidic sediments of the island of Milos in the Aegean Sea. Analysis of 16S rRNA gene sequences indicated at least two thermotolerant species, with at least one of them present in similar niches at Vulcano, Italy. Iron solubilization in a pyrite-enrichment culture at 47°C was most rapid in the presence of NaCl at 30 g.l 1. One of the novel species (strain M7) grew in pure culture on pyrite with NaCl at 50 g.l-1, but iron solubilization was most rapid with 20 g NaCl.l 1 at just below 50°C.

Info:

Periodical:

Advanced Materials Research (Volumes 71-73)

Edited by:

Edgardo R. Donati, Marisa R. Viera, Eduardo L. Tavani, María A. Giaveno, Teresa L. Lavalle, Patricia A. Chiacchiarini

Pages:

75-78

DOI:

10.4028/www.scientific.net/AMR.71-73.75

Citation:

P. R. Norris et al., "Pyrite Oxidation by Halotolerant, Thermotolerant Bacteria", Advanced Materials Research, Vols. 71-73, pp. 75-78, 2009

Online since:

May 2009

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$35.00

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