Faculty of Biology, University of Latvia
EEB
Hard copy: ISSN 1691–8088
On-line: ISSN 2255–9582
Environ Exp Biol (2021) 19: 103–119
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Environmental and
Experimental
Biology

Environ Exp Biol (2021) 19: 103–119

Reviews

White-rot fungi-mediated bioremediation as a sustainable method for xenobiotic degradation

A. Kathiravan, J. Joel Gnanadoss*
Microbial and Environmental Biotechnology Research Unit, Department of Plant Biology and Biotechnology, Loyola College, Chennai-600034, Tamil Nadu, India
* Corresponding author, E-mail: joelgna@gmail.com

Abstract

Xenobiotics are hazardous compounds that are foreign to natural ecosystems. The production and use of xenobiotic compounds continue to increase worldwide, which in turn causes environmental pollution and has adverse effects on humans. Degradation of such compounds, therefore, needs urgent awareness and attention. The physicochemical approaches to treat the contaminants are expensive. Bioremediation is a concept that exploits organisms to manage the environment with less manpower and time. White-rot fungi-mediated bioremediation offers inexpensive, environmentally sustainable and potential degradation mechanisms for different recalcitrant chemicals. White-rot fungi secrete lignolytic enzymes that have extensive substrate specificities and are involved in the transformation and solubilization of lignin-like structural contaminants. The main lignolytic enzymes occurring in white-rot fungi are laccases, lignin peroxidase, manganese peroxidase, and other peroxidases. Such lignolytic enzymes permit white-rot fungi to endure high toxic levels. This review describes the opportunities to use white-rot fungi and their enzyme systems in the biodegradation of multiple xenobiotic contaminants.

Key words: biodegradation, lignolytic enzymes, mycoremediation, white-rot fungi, xenobiotics.

 
Environ Exp Biol (2021) 19: 103–119
 DOI: http://doi.org/10.22364/eeb.19.11
EEB

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Prof. Gederts Ievinsh
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University of Latvia

 
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