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Review
, 1 (4), 252-62

Heterologous Laccase Production and Its Role in Industrial Applications

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Review

Heterologous Laccase Production and Its Role in Industrial Applications

Alessandra Piscitelli et al. Bioeng Bugs.

Abstract

Laccases are blue multicopper oxidases, catalyzing the oxidation of an array of aromatic substrates concomitantly with the reduction of molecular oxygen to water. These enzymes are implicated in a variety of biological activities. Most of the laccases studied thus far are of fungal origin. The large range of substrates oxidized by laccases has raised interest in using them within different industrial fields, such as pulp delignification, textile dye bleaching, and bioremediation. Laccases secreted from native sources are usually not suitable for large-scale purposes, mainly due to low production yields and high cost of preparation/purification procedures. Heterologous expression may provide higher enzyme yields and may permit to produce laccases with desired properties (such as different substrate specificities, or improved stabilities) for industrial applications. This review surveys researches on heterologous laccase expression focusing on the pivotal role played by recombinant systems towards the development of robust tools for greening modern industry.

Keywords: directed evolution; filamentous fungi; heterologous expression; industrial application; laccase; yeasts.

Figures

Figure 1
Figure 1
Schematic representation of the steps towards “greening” chemical industry.

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