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Fe(III) as an electron acceptor for H2 oxidation in thermophilic anaerobic enrichment cultures from geothermal areas 总被引:1,自引:0,他引:1
Alexander I. Slobodkin Juergen Wiegel 《Extremophiles : life under extreme conditions》1997,1(2):106-109
Six sustainable enrichment cultures of thermophilic H2-oxidizing microorganisms utilizing Fe(III) as an electron acceptor were obtained from geothermally heated environments located
on two continents (America, Eurasia) and on islands in the Northern (Iceland) and Southern (Fiji) hemispheres, demonstrating
the wide distribution of these microorganisms. The main products of amorphic Fe(III) oxide reduction were magnetite and siderite.
The observed temperature range for Fe(III) reduction in growing cultures was from 55°C to 87°C, extending the known limits
for growth of Fe(III)-reducing microorganisms producing extracellular magnetite to nearly 90°C.
Received: August 13, 1996 / Accepted: January 17, 1997 相似文献
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