Exogenous laccase drives synergistic immobilization of heavy metals in agriculture waste and soil composting: Deciphering straw degradation-humification-microbial interactions

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成果类型：

期刊论文

作者：

Jiang, Hongjuan;Yi, Zhigang;Chen, Yaoning*;Li, Yuanping;Wang, Jun;...

通讯作者：

Chen, Yaoning;Li, YP

作者机构：

[Yi, Zhigang; Wang, Nan; He, Yihang; Wang, Jun; Jiang, Hongjuan; Chen, Li; Chen, Yaoning; Wang, Qianruyu] Hunan Univ, Minist Educ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China.

[Yi, Zhigang; Wang, Nan; He, Yihang; Wang, Jun; Jiang, Hongjuan; Chen, Li; Chen, Yaoning; Wang, Qianruyu] Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China.

[Zhang, Wei; Li, Yuanping] Hunan City Univ, Sch Municipal & Geomat Engn, Yiyang 413000, Hunan, Peoples R China.

[Chen, Yanrong] Hunan Univ Technol & Business, Sch Resource & Environm, Changsha 410205, Peoples R China.

[Chen, Yaoning; Li, Yuanping] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China.

通讯机构：

[Chen, YN; Li, YP ] H

Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China.

语种：

英文

关键词：

Composting;Laccase;Rice straw degradation;Heavy metals;Soil;Microorganism

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2025

卷：

515

页码：

163595

DOI：

10.1016/j.cej.2025.163595

基金类别：

CRediT authorship contribution statement Hongjuan Jiang: Writing – review & editing, Writing – original draft, Software, Methodology, Investigation, Data curation. Zhigang Yi: Resources, Methodology, Conceptualization. Yaoning Chen: Writing – review & editing, Supervision, Project administration, acquisition. Yuanping Li: Supervision, Project administration, acquisition. Jun Wang: Software, Data curation, Conceptualization. Li Chen: Visualization, Conceptualization. Yihang He: Visualization, Methodology. Nan Wang:

机构署名：

本校为其他机构

院系归属：

市政与测绘工程学院

摘要：

Agricultural waste composting could be useful for remediating soils contaminated by heavy metals (HMs). However, the mechanism of how straw degradation during composting affects HMs immobilization has not been deeply explored. This study intends to decipher the mechanisms underlying the effect of straw degradation and microbial activity on HMs immobilization with the help of the exogenous addition of laccase during composting. The results demonstrated that the exogenous laccase increased straw degradation and humic acid by 6.37 and 1.07 times, respectively, and reduced the bioavailable states ...

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Exogenous laccase drives synergistic immobilization of heavy metals in agriculture waste and soil composting: Deciphering straw degradation-humification-microbial interactions

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