Isolation and application of Bacillus thuringiensis LZX01: Efficient membrane biofouling mitigation function and anti-toxicity potential

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成果类型：

期刊论文

作者：

Liu, Zhexi;Pang, Haoliang;Yi, Kaixin;Wang, Xia;Zhang, Wei;...

通讯作者：

Huang, JH;Shi, LX

作者机构：

[Liu, Zhexi; Yi, Kaixin; Zhang, Wei; Huang, Jinhui; Wang, Xia; Zhang, Chenyu; Liu, Si; Pang, Haoliang] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.

[Liu, Zhexi; Yi, Kaixin; Zhang, Wei; Huang, Jinhui; Wang, Xia; Zhang, Chenyu; Liu, Si; Pang, Haoliang] Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Hunan, Peoples R China.

[Shi, Lixiu; Shi, LX] Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Changsha 410114, Peoples R China.

[Shi, Lixiu] Key Lab Dongting Lake Aquat Ecoenvironm Control &, Changsha 410114, Peoples R China.

[Gu, Yanling] Changsha Univ Sci & Technol, Coll Mat Sci & Engn, Changsha 410114, Peoples R China.

通讯机构：

[Huang, JH ] H

[Shi, LX ] C

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

Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Changsha 410114, Peoples R China.

语种：

英文

关键词：

Membrane biofouling;Membrane bioreactor;Quorum quenching

期刊：

Bioresource Technology

ISSN：

0960-8524

年：

2024

卷：

394

页码：

130272

DOI：

10.1016/j.biortech.2023.130272

基金类别：

This study was supported by the Water Conservancy Science and Technology Project of Hunan Province, China (XSKJ2022068-20), National Natural Science Foundation of China (52000012) and Natural Science Foundation of Hunan Province, China (2021JJ40578). CRediT authorship contribution statement Zhexi Liu: Writing – original draft, Methodology, Formal analysis, Data curation, Conceptualization. Haoliang Pang: Writing – original draft, Investigation, Data curation, Conceptualization. Kaixin Yi: Validation, Software, Data curation. Xia Wang: Validation, Investigation. Wei Zhang: Investigation. Chenyu Zhang: Visualization. Si Liu: Project administration. Yanling Gu: Resources. Jinhui Huang: Writing – review & editing, acquisition. Lixiu Shi: Writing – review & editing, Supervision.

机构署名：

本校为通讯机构

院系归属：

材料科学与工程学院

摘要：

Significant progress has been made in mitigating membrane biofouling by microbial quorum quenching (QQ). More efficient and survivable QQ strains need to be discovered. A new strain named Bacillus thuringiensis LZX01 was isolated in this study using a low carbon source concentration "starving" method from a membrane bioreactor (MBR). LZX01 secreted intracellular lactonase to enable QQ behavior and was capable of degrading 90% of C8-HSL (200ng/mL) within 30min, which effectively delayed biofouling by inhibiting the growth of bacteria associated with biofouling and improving the hydrophilicity o...

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