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Cyanide detoxification by microbial consortia of natural-industrial complexes of gold heap leaching

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Abstract

Microorganisms that have adapted not only to high concentrations of pollutants but also to environmental conditions develop in autochthonous microbial communities of natural-industrial complexes of gold heap leaching. The biotechnological potential and diversity of autochthonous microbial communities involved in cyanide detoxification was evaluated by the example of a deposit situated in the Sakha (Yakutia) Republic. Under the zoning conditions of the ore heap, the biological component had a greater impact on cyanide destruction than chemical transformation. Metabolically active representatives of a microbial consortium are capable of surviving developed under these conditions. Phylotypes of the genus Serratia and family Alcaligenaceae that are capable of cyanide destruction and are potentially promising for the detoxification of wastes of gold heap leaching were revealed.

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Authors and Affiliations

  1. Irkutsk Research Institute of Precious and Rare Metals and Diamonds, Irkutsk, 664025, Russia

    M. P. Belykh & S. V. Petrov

  2. Irkutsk State University, Irkutsk, 664003, Russia

    M. P. Belykh & A. Yu. Chikin

  3. Rospotrebnadzor Irkutsk Antiplaque Research Institute of Siberia and the Far East, Irkutsk, 664047, Russia

    R. V. Adelshin

  4. Limnological Institute Siberian Branch of the Russian Academy of Scienses, Irkutsk, 664033, Russia

    N. L. Belkova

Authors
  1. M. P. Belykh
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  2. S. V. Petrov
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  3. A. Yu. Chikin
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  4. R. V. Adelshin
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  5. N. L. Belkova
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Correspondence to M. P. Belykh.

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Original Russian Text © M.P. Belykh, S.V. Petrov, A.Yu. Chikin, R.V. Adelshin, N.L. Belkova, 2017, published in Prikladnaya Biokhimiya i Mikrobiologiya, 2017, Vol. 53, No. 3, pp. 291–298.

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Belykh, M.P., Petrov, S.V., Chikin, A.Y. et al. Cyanide detoxification by microbial consortia of natural-industrial complexes of gold heap leaching. Appl Biochem Microbiol 53, 331–337 (2017). https://doi.org/10.1134/S0003683817030036

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  • DOI: https://doi.org/10.1134/S0003683817030036

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