纤维素酶
生物技术
生物量(生态学)
木质纤维素生物量
分解代谢抑制
原材料
生物
酶
生化工程
生物化学
生物燃料
突变体
生态学
工程类
基因
作者
Rajeev K. Sukumaran,Meera Christopher,Prajeesh Kooloth-Valappil,AthiraRaj Sreeja-Raju,Reshma M. Mathew,Meena Sankar,Anoop Puthiyamadam,Velayudhanpillai-Prasannakumari Adarsh,Aswathi Aswathi,Valan Rebinro,Amith Abraham,Ashok Pandey
标识
DOI:10.1016/j.biortech.2021.124746
摘要
Lignocellulosic materials are the favoured feedstock for biorefineries due to their abundant availability and non-completion with food. Biobased technologies for refining these materials are limited mainly by the cost of biomass hydrolyzing enzymes, typically sourced from filamentous fungi. Therefore, considerable efforts have been directed at improving the quantity and quality of secreted lignocellulose degrading enzymes from fungi in order to attain overall economic viability. Process improvements and media engineering probably have reached their thresholds and further production enhancements require modifying the fungal metabolism to improve production and secretion of these enzymes. This review focusses on the types and mechanisms of action of known fungal biomass degrading enzymes, our current understanding of the genetic control exerted on their expression, and possible routes for intervention, especially on modulating catabolite repression, transcriptional regulators, signal transduction, secretion pathways etc., in order to improve enzyme productivity, activity and stability.
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