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Extraction, Purification, Characterization and Application in Livestock Wastewater of S Sulfur Convertase

Author

Listed:
  • Xintian Li

    (College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China)

  • Wei Zhai

    (College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China)

  • Xinran Duan

    (College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China)

  • Changlong Gou

    (College of Animal Science and Technology, Inner Mongolia University for Nationalities, Tongliao 028000, China)

  • Min Li

    (College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China)

  • Lixia Wang

    (Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China)

  • Wangdui Basang

    (Institute of Animal Husbandry and Veterinary Medicine, Tibet Academy of Agricultural and Animal Husbandry Science, Lhasa 850009, China)

  • Yanbin Zhu

    (Institute of Animal Husbandry and Veterinary Medicine, Tibet Academy of Agricultural and Animal Husbandry Science, Lhasa 850009, China)

  • Yunhang Gao

    (College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China)

Abstract

Sulfide is a toxic pollutant in the farming environment. Microbial removal of sulfide always faces various biochemical challenges, and the application of enzymes for agricultural environmental remediation has promising prospects. In this study, a strain of Cellulosimicrobium sp. was isolated: numbered strain L1. Strain L1 can transform S 2− , extracellular enzymes play a major role in this process. Next, the extracellular enzyme was purified, and the molecular weight of the purified sulfur convertase was about 70 kDa. The sulfur convertase is an oxidase with thermal and storage stability, and the inhibitor and organic solvent have little effect on its activity. In livestock wastewater, the sulfur convertase can completely remove S 2− . In summary, this study developed a sulfur convertase and provides a basis for the application in environmental remediation.

Suggested Citation

  • Xintian Li & Wei Zhai & Xinran Duan & Changlong Gou & Min Li & Lixia Wang & Wangdui Basang & Yanbin Zhu & Yunhang Gao, 2022. "Extraction, Purification, Characterization and Application in Livestock Wastewater of S Sulfur Convertase," IJERPH, MDPI, vol. 19(23), pages 1-14, December.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:23:p:16368-:d:995438
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    References listed on IDEAS

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    1. Dong-Hyun Kim & Hyun-Sik Yun & Young-Saeng Kim & Jong-Guk Kim, 2021. "Pollutant-Removing Biofilter Strains Associated with High Ammonia and Hydrogen Sulfide Removal Rate in a Livestock Wastewater Treatment Facility," Sustainability, MDPI, vol. 13(13), pages 1-16, June.
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