郑菲|副教授
研究方向:
挖掘微生物基因组中纤维素高效降解酶,如传统的纤维素酶系及新型的辅助蛋白swollenin、LPMO等,在高效表达系统中实现异源表达,为工业应用提供新型酶资源;
基于蛋白质结构信息学,结合分子动力学模拟技术,精准分析酶功能位点及结构模块,设计突变体,改良酶分子的稳定性及催化效率;
以玉米秸秆、小麦秸秆等天然生物质为材料,设计高效酶的降解体系,优化复合酶的复配比,提高生物质的转化效率。
科研项目:
国家自然科学基金青年科学基金项目(C类) 32402805, GH5持续性内切纤维素酶的结构与功能关系研究, 2025-01-01 至 2027-12-31 (主持)
中国博士后基金第67批面上资助项目 2020M670178, 新型高效膨胀素蛋白降解纤维素的分子机制研究,2020-7-2021-7 (主持)
北京林业大学科技创新计划项目 BLX201910, 真菌源高活性膨胀素蛋白的功能机制探究, 2019-01至2021-12,8万元,结题;(主持)
企业横向课题,纤维素酶在里氏木霉中的高效表达(主持)
国家重点研发计划重点专项(子课题) 油松体胚发生过程中胚性干细胞启动、维持与转变的分子机制解析
国家自然科学基金面上项目GH5_5纤维素酶loop区的架构及其对催化活性的影响机制
国家自然科学基金面上项目 纤维素酶BsCel5高效降解半纤维机制及分子改良研究
发表论文:
Fei Zheng#; Junzhao Yang#; Huiying Luo; Qingyang Sun; Xinrui Zhang; Ruilin Li; Xiangwei He; Guo Zhao. Hydrolysis mechanism of multimodular endoglucanases with distinctive domain composition in the saccharification of cellulosic substrates. Biomacromolecules, 2024, 25(9):6007-6016.
Junzhao Yang; Xinrui Zhang; Qingyang Sun; Ruilin Li; Xiaoyu Wang; Guozhu Zhao; Xiangwei He; Fei Zheng*. Modulation of the catalytic activity and thermostability of a thermostable GH7 endoglucanase by engineering the key loop B3. International Journal of Biological Macromolecules, 2023, 248, 125945.
Honghai Zhang; Yuan Wang; Roman Brunecky; Bin Yao; Xiangming Xie; Fei Zheng*; Huiying Luo*; A swollenin from Talaromyces leycettanus JCM12802 enhances cellulase hydrolysis toward various substrates. Frontiers in Microbiology, 2021, 12:658906.
Honghai Zhang; Heng Zhang; Xing Qin; Xiaolu Wang; Yuan Wang; Bin Yao; Xiangming Xie; Fei Zheng*; Huiying Luo*; Biodegradation of deoxynivalenol by Nocardioides sp. ZHH-013: 3-keto-Deoxynivalenol and 3-epi-Deoxynivalenol as intermediate products. Frontiers in Microbiology, 2021, 12:658421.
Zheng F, Vermaas J V, Zheng J, et al. Characterizing activity and thermostability of GH5 cellulase chimeras from mesophilic and thermophilic parents. Applied and Environmental Microbiology. 2018. 02079-18.
Zheng F, Tu T, Wang X, et al. Enhancing the catalytic activity of a novel GH5 cellulase GtCel5 from Gloeophyllum trabeum CBS 900.73 by site-directed mutagenesis on loop 6. Biotechnol Biofuels. 2018, 11(1): 76.
Zheng F, Huang H, Wang X, et al. Improvement of the catalytic performance of a Bispora antennata cellulase by replacing the N-terminal semi-barrel structure. Bioresource Technol. 2016, 218: 279-285.
Gu Y#, Zheng F#, Wang Y, Su X, et al. Characterization of two thermophilic cellulases from Talaromyces leycettanus JCM12802 and their synergistic action on cellulose hydrolysis. PloS One. 2019, 14(11): e0224803.
李聪, 牛羽丰, 赵国柱, 郑菲. 裂解性多糖单加氧酶TtLPMO9Y的酶学特性及其在果汁澄清、纤维素降解中的作用. 食品科学, 2025.(EI, 卓越期刊)
郑菲, 杨俊钊, 牛羽丰, 李蕊麟, 赵国柱. 嗜热毁丝菌裂解性多糖单加氧酶TtLPMO9I的酶学性质及其功能研究. 生物技术通报, 2024, 40(02), 289-299. (卓越期刊)
杨俊钊, 张新蕊, 赵国柱, 郑菲. 新型GH5家族多结构域纤维素酶的结构与功能研究. 生物技术通报,2023. 39(4),71-80. (卓越期刊)
杨俊钊, 张新蕊, 孙清扬, 郑菲. Loop B3对GH7内切纤维素酶功能的影响机制. 生物技术通报,2023. 39(10), 281-291. (卓越期刊)
