Gentamicin degradation and changes in fungal diversity and physicochemical properties during composting of gentamicin production residue

文献类型： 外文期刊

第一作者： Liu, Yuanwang

作者： Liu, Yuanwang;Feng, Yao;Cheng, Dengmiao;Hu, Haiyan;Li, Zhaojun;Xue, Jianming;Xue, Jianming;Wakelin, Steve A.

作者机构：

关键词： Gentamicin;Degradation;Composting;Fungal diversity;Physicochemical property

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）

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年卷期：

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收录情况： SCI

摘要： An indoor co-composting of gentamicin fermentation residues (GFR) and lovastatin fermentation residues (LFR) inoculated with gentamicin-degrading Aspergillus terreus FZC3 was conducted to remove gentamicin residues. The results showed that treatment MFZC3, consisting of a 10: 1 blend of GFR and LFR (w/w), had the longest thermophilic phase (7 days), quickest gentamicin degradation (t(1/2) = 4.4 days), and relatively higher gentamicin degradation percentage (96.7%) at the end of composting. Addition of Aspergillus terreus FZC3 affected fungal diversity of the compost and improved the removal of gentamicin during composting of the 15: 1 GFR: LFR blend. By analyzing the variations of gentamicin and fungal community dynamics, it was speculated that Aspergillus terreus could accelerate gentamicin degradation. The microbial community and dynamic during composting were deeply affected by the physicochemical properties, and vice versa. In conclusion, co-composting of GFR with LFR could be a promising technology to solve the problem of gentamicin residue in GFR waste.

分类号： Q

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