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Effects of endogenous inhibitors on the evolution of antibiotic resistance genes during high solid anaerobic digestion of swine manure

Sui, Qianwen ; Meng, Xiaoshan ; Wang, Rui ; Zhang, Junya ; Yu, Dawei ; Chen, Meixue ; Wang, Yawei ; Wei, Yuansong

Bioresource Technology, December 2018, Vol.270, pp.328-336 [Tạp chí có phản biện]

ISSN: 0960-8524 ; E-ISSN: 1873-2976 ; DOI: 10.1016/j.biortech.2018.09.043

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  • Nhan đề:
    Effects of endogenous inhibitors on the evolution of antibiotic resistance genes during high solid anaerobic digestion of swine manure
  • Tác giả: Sui, Qianwen ; Meng, Xiaoshan ; Wang, Rui ; Zhang, Junya ; Yu, Dawei ; Chen, Meixue ; Wang, Yawei ; Wei, Yuansong
  • Chủ đề: Antibiotic Resistance Gene ; High Solid Anaerobic Digestion ; Antibiotics ; Swine Manure ; Endogenous Inhibitor ; Agriculture ; Engineering ; Chemistry
  • Là 1 phần của: Bioresource Technology, December 2018, Vol.270, pp.328-336
  • Mô tả: Livestock manure is a reservoir of antibiotic resistance genes (ARGs). The endogenous inhibitors that emerge during high solid anaerobic digestion (HSAD) greatly influence the bioprocess performance and the ARGs. The effect of endogenous inhibitors including volatile fatty acids (VFAs) and free ammonia (FA) on the ARG occurrences during HSAD of swine manure was investigated in this study. The ARG properties during HSAD (8%–14% total solids (TS)) largely differed from the low TS control (4%). The endogenous inhibitors and microbial communities greatly contributed to the three-phase changes in ARGs. The concentrations of VFAs and abundances of and I1 were correlated with the changes in ARGs. FA inhibition and VFA accumulation (especially propionate) delayed and restricted the decline of ARGs. The relatively slow rate of changes in ARGs and high ARGs in the end product suggested the high risk of the HSAD digestate for land application....
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0960-8524 ; E-ISSN: 1873-2976 ; DOI: 10.1016/j.biortech.2018.09.043

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