Study on the degradation efficiency and mechanism of polystyrene microplastics by five kinds of edible fungi
文献类型： 外文期刊
作者： Yu, Xin 1 ; Zhang, Yunfeng 1 ; Chen, Sumin 1 ; Chen, Shuyi 1 ; Wan, Caijing 1 ; Wang, Ying 1 ; Zou, Liang 1 ; Peng, Lianxin 1 ; Ye, Lei 2 ; Li, Qiang 1 ;
作者机构： 1.Chengdu Univ, Sichuan Engn & Technol Res Ctr Coarse Cereal Indus, Sch Food & Biol Engn, Minist Agr & Rural Affairs,Key Lab Coarse Cereal P, Chengdu 610106, Peoples R China
2.Sichuan Acad Agr Sci, Sichuan Inst Edible Fungi, Chengdu 610066, Peoples R China
3.2025 Chengluo Ave, Chengdu 610106, Peoples R China
4.666 Jingping Rd, Chengdu 610066, Peoples R China
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
页码：
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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