Acidithiobacillus ferrooxidans and its potential application

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Abstract
The widely distributed Acidithiobacillus ferrooxidans (A. ferrooxidans) lives in extremely acidic conditions by fixing CO2 and nitrogen, and by obtaining energy from Fe2+ oxidation with either downhill or uphill electron transfer pathway and from reduced sulfur oxidation. A. ferrooxidans exists as different genomovars and its genome size is 2.89–4.18 Mb. The chemotactic movement of A. ferrooxidans is regulated by quorum sensing. A. ferrooxidans shows weak magnetotaxis due to formation of 15–70 nm magnetite magnetosomes with surface functional groups. The room- and low-temperature magnetic features of A. ferrooxidans are different from other magnetotactic bacteria. A. ferrooxidans has potential for removing sulfur from solids and gases, metals recycling from metal-bearing ores, electric wastes and sludge, biochemical production synthesizing, and metal workpiece machining.
Funding Information
  • University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province (UNPYSCT-2015086)
  • Natural Science Foundation of Heilongjiang Province of China (QC2014C023)
  • Open Foundation of the Heilongjiang Provincial Key Laboratory of Environmental Microbiology and Recycling of Argo-Waste in Cold Region (201704)
  • National Natural Science Foundation of China (41471201, 31100006)
  • Technology Program of Land Reclamation General Bureau of Heilongjiang (HNK135-04-08)
  • Scientific Research Staring Foundation in HBAU (XZR2014-15)

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