A Review on Bacterial Contribution to Lignocellulose Breakdown into Useful Bio-Products

Ogechukwu Bose Chukwuma, Mohd Rafatullah, Husnul Azan Tajarudin and Norli Ismail
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Ogechukwu Bose Chukwuma: Division of Environmental Technology, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Penang, Malaysia
Mohd Rafatullah: Division of Environmental Technology, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Penang, Malaysia
Husnul Azan Tajarudin: Division of Environmental Technology, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Penang, Malaysia
Norli Ismail: Division of Environmental Technology, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Penang, Malaysia

IJERPH, 2021, vol. 18, issue 11, 1-27

Abstract: Discovering novel bacterial strains might be the link to unlocking the value in lignocellulosic bio-refinery as we strive to find alternative and cleaner sources of energy. Bacteria display promise in lignocellulolytic breakdown because of their innate ability to adapt and grow under both optimum and extreme conditions. This versatility of bacterial strains is being harnessed, with qualities like adapting to various temperature, aero tolerance, and nutrient availability driving the use of bacteria in bio-refinery studies. Their flexible nature holds exciting promise in biotechnology, but despite recent pointers to a greener edge in the pretreatment of lignocellulose biomass and lignocellulose-driven bioconversion to value-added products, the cost of adoption and subsequent scaling up industrially still pose challenges to their adoption. However, recent studies have seen the use of co-culture, co-digestion, and bioengineering to overcome identified setbacks to using bacterial strains to breakdown lignocellulose into its major polymers and then to useful products ranging from ethanol, enzymes, biodiesel, bioflocculants, and many others. In this review, research on bacteria involved in lignocellulose breakdown is reviewed and summarized to provide background for further research. Future perspectives are explored as bacteria have a role to play in the adoption of greener energy alternatives using lignocellulosic biomass.

Keywords: anaerobic degradation; aerobic degradation; biodegradation; bio-refinery; lignocellulases; lignocellulolytic; extremophiles (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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