Applications of fungal cellulases in biofuel production: Advances and limitations

Neha Srivastava, Manish Srivastava, P. K. Mishra*, Vijai K. Gupta, Gustavo Molina, Susana Rodriguez-Couto, Ambepu Manikanta, P. W. Ramteke

*Corresponding author for this work

Research output: Contribution to journalReview article

44 Citations (Scopus)

Abstract

Nonrenewable fossil fuels and their serious environmental impact have forced to develop renewable & sustainable energy sources. In this scenario, cellulases have found extensive applications in the biofuel industries. Three main components of the cellulase enzymatic system, namely endoglucanase, exoglucanase and β-glycosidase, effectively convert cellulosic substrates into fermentable sugars. The commercial production of cellulase is currently performed under submerged fermentation (SmF) conditions using mesophilic microbial strains which are non-economic and also non-sustainable. Although, production of fungal cellulases using solid-state fermentation (SSF) is economically advantageous and a preferable route for industrial purposes, it suffers from a few bottlenecks (e.g. scale-up, difficult to control process parameters). Therefore, the present review provides an overview of the cost-effective and present scenario of cellulase production in the biofuel industries including recent advancements. In addition, the current limitations hampering the cost-effective production of cellulase have also been discussed to resolve them in the near future.

Original languageEnglish
Pages (from-to)2379-2386
Number of pages8
JournalRenewable and Sustainable Energy Reviews
Volume82
Early online date1 Sep 2017
DOIs
Publication statusPrint publication - Feb 2018
Externally publishedYes

Keywords

  • Biofuel production
  • Cellulase
  • Fermentable sugars
  • Fungi
  • Solid-state fermentation
  • Submerged fermentation
  • Thermal dilution

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  • Cite this

    Srivastava, N., Srivastava, M., Mishra, P. K., Gupta, V. K., Molina, G., Rodriguez-Couto, S., Manikanta, A., & Ramteke, P. W. (2018). Applications of fungal cellulases in biofuel production: Advances and limitations. Renewable and Sustainable Energy Reviews, 82, 2379-2386. https://doi.org/10.1016/j.rser.2017.08.074