Study on the degradation efficiency and mechanism of polystyrene microplastics by five kinds of edible fungi

文献类型： 外文期刊

第一作者： Yu, Xin

作者： Yu, Xin;Zhang, Yunfeng;Chen, Sumin;Chen, Shuyi;Wan, Caijing;Wang, Ying;Zou, Liang;Peng, Lianxin;Li, Qiang;Ye, Lei;Li, Qiang;Ye, Lei

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关键词： Edible fungi; Polystyrene; Microplastics; Pollution control; Biodegradation

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：11.3； 五年影响因子：12.4 ）

ISSN： 0304-3894

年卷期： 2025 年 492 卷

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收录情况： SCI

摘要： The harm caused by microplastics to the environment and human body has become a hot issue, and screening for microorganisms that potentially degrade microplastics is urgently needed. This study is the first to use Auricularia auricula, Pleurotus ostreatus, Ganoderma lucidum, Pleurotus pulmonarius and Pleurotus cornucopiae to degrade PSMPs. After 50 d of degradation, the average degradation rate was approximately 7.494 %, with the highest degradation rate of Pleurotus ostreatus being 16.17 +/- 8.87 %. In addition, the ability of five edible fungi to degrade PS-MPs was confirmed through characterization methods such as scanning electron microscopy and Fourier transform infrared spectroscopy. Finally, for the first time, through the transcriptome and proteome, the genes Cluster-409.10597, Cluster-409.502, and Cluster-409.6781, along with other genes involved in the degradation of PS-MPs in Pleurotus ostreatus, were identified as Extradiol ring-cleavage dioxygenases, Acyl transferase/acyl hydrolase/lysophospholipase, and other enzymes. Additionally, the Ascorbate and Peroxisomes metabolic pathways, which play a role in aldarate metabolism, were also identified. This study is the first multiomic joint analysis of the degradation mechanism of Pleurotus ostreatus, laying a theoretical foundation for a

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