Directed evolution of a serine protease LsPLAase in Bacillus subtilis for high-yield secretory production and efficient depolymerization of polylactic acid.

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Title: Directed evolution of a serine protease LsPLAase in Bacillus subtilis for high-yield secretory production and efficient depolymerization of polylactic acid.
Authors: Cheng XT; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, China. Electronic address: nole7807@njtech.edu.cn., Wu L; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, China. Electronic address: 202361118049@njtech.edu.cn., Wang W; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, China. Electronic address: 1209796033@qq.com., Wu T; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, China. Electronic address: wutinghaohaoxuexi@126.com., Xie B; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, China. Electronic address: bksxb@njtech.edu.cn., Yan X; Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China. Electronic address: yanxin@njau.edu.cn., Dong W; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, China; Key Laboratory for Waste Plastics Biocatalytic Degradation and Recycling, Nanjing Tech University, Nanjing 211816, Jiangsu, China. Electronic address: dwl@njtech.edu.cn., Zhou J; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, China; Key Laboratory for Waste Plastics Biocatalytic Degradation and Recycling, Nanjing Tech University, Nanjing 211816, Jiangsu, China. Electronic address: jayzhou@njtech.edu.cn., Jiang M; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, China; Key Laboratory for Waste Plastics Biocatalytic Degradation and Recycling, Nanjing Tech University, Nanjing 211816, Jiangsu, China. Electronic address: bioengine@njtech.edu.cn.
Source: Bioresource technology [Bioresour Technol] 2026 Jun; Vol. 450, pp. 134441. Date of Electronic Publication: 2026 Mar 18.
Publication Type: Journal Article
Journal Info: Publisher: Elsevier Applied Science Country of Publication: England NLM ID: 9889523 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-2976 (Electronic) Linking ISSN: 09608524 NLM ISO Abbreviation: Bioresour Technol Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1873-2976
DOI:10.1016/j.biortech.2026.134441