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Glutamicibacter nicotianae AT6: A new strain for the efficient biodegradation of tilmicosin.
Li, Huijuan; Zhou, Hao; Fan, Liling; Meng, Long; Zhao, Yanyun; Zhao, Lanmei; Wang, Bo.
Affiliation
  • Li H; College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
  • Zhou H; College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
  • Fan L; College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
  • Meng L; College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
  • Zhao Y; College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
  • Zhao L; College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
  • Wang B; College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; College of Chemistry and Chemical Engineering, Heze University, Heze 274015, China. Electronic address: wb@sdust.edu.cn.
J Environ Sci (China) ; 142: 182-192, 2024 Aug.
Article in En | MEDLINE | ID: mdl-38527883
ABSTRACT
The degradation of tilmicosin (TLM), a semi-synthetic 16-membered macrolide antibiotic, has been receiving increasing attention. Conventionally, there are three tilmicosin degradation methods, and among them microbial degradation is considered the best due to its high efficiency, eco-friendliness, and low cost. Coincidently, we found a new strain, Glutamicibacter nicotianae sp. AT6, capable of degrading high-concentration TLM at 100 mg/L with a 97% removal efficiency. The role of tryptone was as well investigated, and the results revealed that the loading of tryptone had a significant influence on TLM removals. The toxicity assessment indicated that strain AT6 could efficiently convert TLM into less-toxic substances. Based on the identified intermediates, the degradation of TLM by AT6 processing through two distinct pathways was then proposed.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Tylosin / Wastewater / Micrococcaceae Language: En Journal: J Environ Sci (China) Year: 2024 Document type: Article
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Tylosin / Wastewater / Micrococcaceae Language: En Journal: J Environ Sci (China) Year: 2024 Document type: Article