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Laccases: Blue Copper Oxidase in Lignocellulose Processing

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Abstract

The depletion of fossil fuel reserves, environmental pollution, and climate change are driving the search for clean carbon-neutral fuels. Lignocellulosic biomass is considered as a promising feedstock for production of bioethanol and biochemicals. The overall potency or utilization depends on the effectual hydrolysis of lignocellulose; however, removal or deconstruction of the lignin polymer could be a key step in the process of biomass to monomeric fermentation sugars but remains challenging. Laccases (EC 1.10.3.2) are copper-containing oxidoreductases that have been investigated for use as a pretreatment of lignocellulose and might have a potential to remove phenolic compounds derived from lignin. This chapter focuse on recent trends in ligninolytic green biotechnology and major advances within the application of laccases as a possible pretreatment strategy. Also, it discuss the negative roles of lignin within the processes of converting biomass to biofuels. Views and future directions to boost the biomass conversion process are also mentioned.

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Acknowledgment

This work was supported by the Research Council of Norway, grant number 238850.

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Correspondence to Svein Jarle Horn .

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Kalyani, D.C., Madhuprakash, J., Horn, S.J. (2017). Laccases: Blue Copper Oxidase in Lignocellulose Processing. In: Kalia, V. (eds) Microbial Applications Vol.2. Springer, Cham. https://doi.org/10.1007/978-3-319-52669-0_17

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