ArticleBMC biotechnology2016
Biochemical characterization and synergism of cellulolytic enzyme system from Chaetomium globosum on rice straw saccharification.
Article in BMC biotechnology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 34 citations in OpenAlex.
- Varying Effects of Straw-Returning Methods on Soil Microbial Diversity and Community Composition in Northeast China.Microorganisms · 2025Article
- Construction of an Efficient Engineered Strain for Chaetoglobosin A Bioresource Production from Potato Starch Industrial Waste.Foods (Basel, Switzerland) · 2025Article
- Isolation of Aroma-ProducingFoods (Basel, Switzerland) · 2023Article
- Diversity of Cellulolytic Microorganisms Associated with the Subterranean TermiteJournal of fungi (Basel, Switzerland) · 2023Article
- Article
- Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- Influence of the Chitosan and Rosemary Extract on Fungal Biodegradation of Some Plasticized PLA-Based Materials.Polymers · 2020Article
- Characterization of a thermoactive endoglucanase isolated from a biogas plant metagenome.Extremophiles : life under extreme conditions · 2019Article
- Impacts of cellulase deactivation at the moving air-liquid interface on cellulose conversions at low enzyme loadings.Biotechnology for biofuels · 2019Article
- Regulation of the Gα-cAMP/PKA signaling pathway in cellulose utilization of Chaetomium globosum.Microbial cell factories · 2018Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundEfficient hydrolysis of lignocellulosic materials to sugars for conversion to biofuels and chemicals is a key step in biorefinery. Designing an active saccharifying enzyme system with synergy among their components is considered a promising approach.
resultsIn this study, a lignocellulose-degrading enzyme system of Chaetomium globosum BCC5776 (CG-Cel) was characterized for its activity and proteomic profiles, and synergism with accessory enzymes. The highest cellulase productivity of 0.40 FPU/mL was found for CG-Cel under the optimized submerged fermentation conditions on 1% (w/v) EPFB (empty palm fruit bunch), 2% microcrystalline cellulose (Avicel®) and 1% soybean meal (SBM) at 30 °C, pH 5.8 for 6 d. CG-Cel worked optimally at 50-60 °C in an acidic pH range. Proteomics analysis by LC/MS/MS revealed a complex enzyme system composed of core cellulases and accessory hydrolytic/non-hydrolytic enzymes attacking plant biopolymers. A synergistic enzyme system comprising the CG-Cel, a β-glucosidase (Novozyme® 188) and a hemicellulase Accellerase® XY was optimized on saccharification of alkaline-pretreated rice straw by a mixture design approach. Applying a full cubic model, the optimal ratio of ternary enzyme mixture containing CG-Cel: Novozyme® 188: Accellerase® XY of 44.4:20.6:35.0 showed synergistic enhancement on reducing sugar yield with a glucose releasing efficiency of 256.4 mg/FPU, equivalent to a 2.9 times compared with that from CG-Cel alone.
conclusionsThe work showed an approach for developing an active synergistic enzyme system based on the newly characterized C. globosum for lignocellulose saccharification and modification in bio-industries.
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