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Enzyme systems of thermophilic anaerobic bacteria for lignocellulosic biomass conversion
- Source :
- International journal of biological macromolecules. 168
- Publication Year :
- 2020
-
Abstract
- Economic production of lignocellulose degrading enzymes for biofuel industries is of considerable interest to the biotechnology community. While these enzymes are widely distributed in fungi, their industrial production from other sources, particularly by thermophilic anaerobic bacteria (growth Topt ≥ 60 °C), is an emerging field. Thermophilic anaerobic bacteria produce a large number of lignocellulolytic enzymes having unique structural features and employ different schemes for biomass degradation, which can be classified into four systems namely; ‘free enzyme system’, ‘cell anchored enzymes’, ‘complex cellulosome system’, and ‘multifunctional multimodular enzyme system’. Such enzymes exhibit high specific activity and have a natural ability to withstand harsh bioprocessing conditions. However, achieving a higher production of these thermostable enzymes at current bioprocessing targets is challenging. In this review, the research opportunities for these distinct enzyme systems in the biofuel industry and the associated technological challenges are discussed. The current status of research findings is highlighted along with a detailed description of the categorization of the different enzyme production schemes. It is anticipated that high temperature-based bioprocessing will become an integral part of sustainable bioenergy production in the near future.
- Subjects :
- Biomass
Lignocellulosic biomass
02 engineering and technology
Multifunctional Enzymes
Biochemistry
Lignin
03 medical and health sciences
Bacteria, Anaerobic
Bacterial Proteins
Structural Biology
Bioenergy
Enzyme Stability
Bioprocess
Molecular Biology
030304 developmental biology
0303 health sciences
Chemistry
Thermophile
General Medicine
021001 nanoscience & nanotechnology
Enzymes
Biofuel
Thermodynamics
Biochemical engineering
Anaerobic bacteria
0210 nano-technology
Subjects
Details
- ISSN :
- 18790003
- Volume :
- 168
- Database :
- OpenAIRE
- Journal :
- International journal of biological macromolecules
- Accession number :
- edsair.doi.dedup.....3df40a6f1448d4aa185229332ec05e85