Development and assessment of an immobilized bacterial alliance that efficiently degrades tylosin in wastewater
文献类型： 外文期刊
作者： Zhao, Boyu 1 ; Wang, Ye 1 ; Zhang, Jingyi 1 ; Wang, Lixia 2 ; Basang, Wangdui 3 ; Zhu, Yanbin 3 ; Gao, Yunhang 1 ;
作者机构： 1.Jilin Agr Univ, Coll Anim Sci & Technol, Changchun, Jilin, Peoples R China
2.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun, Jilin, Peoples R China
3.Tibet Acad Agr & Anim Husb Sci, Inst Anim Husb & Vet Med, Lhasa, Peoples R China
期刊名称：PLOS ONE （ 影响因子：2.9； 五年影响因子：3.3 ）
ISSN： 1932-6203
年卷期： 2024 年 19 卷 5 期
页码：
收录情况： SCI
摘要： Microbial degradation of tylosin (TYL) is a safe and environmentally friendly technology for remediating environmental pollution. Kurthia gibsonii (TYL-A1) and Klebsiella pneumonia (TYL-B2) were isolated from wastewater; degradation efficiency of the two strains combined was significantly greater than either alone and resulted in degradation products that were less toxic than TYL. With Polyvinyl alcohol (PVA)-sodium alginate (SA)-activated carbon (AC) used to form a bacterial immobilization carrier, the immobilized bacterial alliance reached 95.9% degradation efficiency in 1 d and could be reused for four cycles, with > 93% degradation efficiency per cycle. In a wastewater application, the immobilized bacterial alliance degraded 67.0% TYL in 9 d. There were significant advantages for the immobilized bacterial alliance at pH 5 or 9, with 20 or 40 g/L NaCl, or with 10 or 50 mg/L doxycycline. In summary, in this study, a bacterial consortium with TYL degradation ability was constructed using PVA-SA-AC as an immobilized carrier, and the application effect was evaluated on farm wastewater with a view to providing application guidance in environmental remediation.
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