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Related Experiment Video

Updated: Jul 10, 2026

Design of Solid-State Fermentation Systems for Polymer Hydrolytic Extracellular Enzyme Production by Filamentous Fungi

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Published on: June 6, 2025

Improved cellulase production by Trichoderma reesei RUT C30 under SSF through process optimization.

Reeta Rani Singhania¹, Rajeev K Sukumaran, Ashok Pandey

¹Biotechnology Division, National Institute for Interdisciplinary Science and Technology (formerly Regional Research Laboratory), Industrial Estate PO, Trivandrum, India.

Applied Biochemistry and Biotechnology

|November 21, 2007

Summary

Optimizing cellulase production using Trichoderma reesei on wheat bran via solid-state fermentation (SSF) significantly increased enzyme yield by 6.2-fold. This cost-effective approach enhances biomass saccharification for bioethanol production.

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Design of Solid-State Fermentation Systems for Polymer Hydrolytic Extracellular Enzyme Production by Filamentous Fungi

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Expression of Recombinant Cellulase Cel5A from Trichoderma reesei in Tobacco Plants

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Published on: June 13, 2014

Area of Science:

Biotechnology
Enzyme Engineering
Industrial Microbiology

Background:

Cellulase enzyme cost is a major barrier in biomass saccharification for bioethanol production.
Utilizing inexpensive lignocellulosic substrates and cost-effective fermentation strategies like solid-state fermentation (SSF) can reduce cellulase production costs.
Trichoderma reesei is a key microorganism for industrial cellulase production.

Purpose of the Study:

To investigate and optimize cellulase production by Trichoderma reesei RUT C30 on wheat bran using solid-state fermentation (SSF).
To identify and optimize key process parameters influencing cellulase yield for enhanced cost-efficiency in enzyme production.

Main Methods:

Solid-state fermentation (SSF) using wheat bran as a substrate for Trichoderma reesei RUT C30.
Plackett and Burman design to identify significant process parameters for cellulase production.
Central Composite Rotary Design (CCD) for optimizing key parameters like incubation temperature and initial moisture content.

Main Results:

Initial moisture content negatively impacted cellulase production, while incubation temperature showed a positive influence within the tested range.
Optimization of incubation temperature and initial moisture content led to a 6.2-fold increase in cellulase production, from 0.605 to 3.8 U/gds.
The optimal conditions for maximal cellulase production were determined to be 37.56% moisture content and 30°C incubation temperature.

Conclusions:

Solid-state fermentation (SSF) of wheat bran by Trichoderma reesei is a viable and cost-effective method for cellulase production.
Optimized process parameters, specifically moisture content and incubation temperature, significantly enhance cellulase yield.
This optimized approach offers a promising strategy to reduce the cost of cellulase enzymes for industrial applications like bioethanol production.