Involvement of the Ligninolytic System of White-Rot and Litter-Decomposing Fungi in the Degradation of Polycyclic Aromatic Hydrocarbons | Zendy

N. N. Pozdnyakova | Zendy

Open Access

Involvement of the Ligninolytic System of White-Rot and Litter-Decomposing Fungi in the Degradation of Polycyclic Aromatic Hydrocarbons

Author(s) -

N. N. Pozdnyakova

Publication year - 2012

Publication title -

biotechnology research international

Language(s) - English

Resource type - Journals

eISSN - 2090-3138

pISSN - 2090-3146

DOI - 10.1155/2012/243217

Subject(s) - phanerochaete , chrysosporium , laccase , biodegradation , environmental chemistry , lignin , bioremediation , lignin peroxidase , chemistry , pleurotus ostreatus , bioaccumulation , white rot , mushroom , biology , food science , contamination , organic chemistry , enzyme , ecology

Polycyclic aromatic hydrocarbons (PAHs) are natural and anthropogenic aromatic hydrocarbons with two or more fused benzene rings. Because of their ubiquitous occurrence, recalcitrance, bioaccumulation potential and carcinogenic activity, PAHs are a significant environmental concern. Ligninolytic fungi, such as Phanerochaete chrysosporium, Bjerkandera adusta , and Pleurotus ostreatus , have the capacity of PAH degradation. The enzymes involved in the degradation of PAHs are ligninolytic and include lignin peroxidase, versatile peroxidase, Mn-peroxidase, and laccase. This paper summarizes the data available on PAH degradation by fungi belonging to different ecophysiological groups (white-rot and litter-decomposing fungi) under submerged cultivation and during mycoremediation of PAH-contaminated soils. The role of the ligninolytic enzymes of these fungi in PAH degradation is discussed.

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