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Acidithiobacillus thiooxidans and its potential application

Abstract

Acidithiobacillus thiooxidans (A. thiooxidans) is a widespread, mesophilic, obligately aerobic, extremely acidophilic, rod-shaped, and chemolithoautotrophic gram-negative gammaproteobacterium. It can obtain energy and electrons from the oxidation of reducible sulfur, and it can fix carbon dioxide and assimilate nitrate, nitrite, and ammonium to satisfy carbon and nitrogen requirement. This bacterium exists as different genomovars and its genome size range from 3.02 to 3.97 Mb. Here, we highlight the recent advances in the understanding of the general biological features of A. thiooxidans, as well as the genetic diversity and the sulfur oxidation pathway system. Additionally, the potential applications of A. thiooxidans were summarized including the recycling of metals from metal-bearing ores, electric wastes, and sludge, the improvement of alkali-salinity soils, and the removal of sulfur from sulfur-containing solids and gases.

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This work was supported by the Longjiang Scholar Program of Heilongjiang Province

(Grant No. Q201815), National Natural Science Foundation of China (41471201, 31100006), Natural Science Foundation of Heilongjiang Province of China (QC2014C023, C201442, ZD2018005), University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province (UNPYSCT-2015086), Support Program of Scientific Research Team and Platform of HBAU (TDJH201809), National Key Research and Development Program of China (2018YFD0800906), Open Foundation of the Heilongjiang Provincial Key Laboratory of Environmental Microbiology and Recycling of Argo-Waste in Cold Region (201704, 201707), Technology Program of Land Reclamation General Bureau of Heilongjiang.

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Correspondence to Shuang Zhang or Lei Yan.

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The authors declare that they have no conflict of interest.

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This review does not include any researches with human participants or animals performed by any of the authors.

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Yang, L., Zhao, D., Yang, J. et al. Acidithiobacillus thiooxidans and its potential application. Appl Microbiol Biotechnol 103, 7819–7833 (2019). https://doi.org/10.1007/s00253-019-10098-5

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  • DOI: https://doi.org/10.1007/s00253-019-10098-5

Keywords

  • Acidithiobacillus thiooxidans
  • Biological features
  • Sulfur oxidation
  • Metal recycling
  • Desulfurization