Please use this identifier to cite or link to this item: https://biore.bio.bg.ac.rs/handle/123456789/5448
Title: Activity of Mn-oxidizing peroxidases of Ganoderma lucidum depending on cultivation conditions
Authors: Ćilerdžić, Jasmina 
Stajić, Mirjana 
Vukojević, Jelena 
Keywords: Fermentation;Ganoderma lucidum;Mn–dependent peroxidases;Mn–independent peroxidases;Oak sawdust;Wheat straw
Issue Date: Feb-2016
Rank: M21
Journal: BioResources
Volume: 11
Issue: 1
Start page: 95
End page: 104
Abstract: 
Trunks and stumps of various deciduous species act as natural habitats for Ganoderma lucidum. The chemical composition of their cell wall affects the development of fungal ligninolytic enzyme system as well as its ability to degrade lignin from the plant cell wall. Additionally, numerous compounds structurally similar to lignin can be degraded by the G. lucidum enzyme system which could take important roles in various biotechnological processes. The laccases, which are the dominant enzymes synthesized by G. lucidum, have been studied more extensively than the Mn-oxidizing peroxidases. Therefore, this study aimed to create the dynamics profile of Mn-oxidizing peroxidases activities in four G. lucidum strains, classifying and determining their properties depending on the cultivation type and plant residue as a carbon source in the medium, as well as to establish whether intraspecific variety exists. The findings suggest that submerged cultivation appeared to be a more appropriate cultivation type for enzyme activities compared with solid-state cultivation, and oak sawdust was a better carbon source than wheat straw. Under the optimum conditions, on day 14, G. lucidum BEOFB 431 was characterized by the highest levels of both Mn-dependent and Mn-independent peroxidase activities (4795.5 and 5170.5 U/L, respectively). Strain, cultivation type, and carbon source were factors that affected the profiles of Mn-oxidizing peroxidases isoenzymes.
URI: https://biore.bio.bg.ac.rs/handle/123456789/5448
ISSN: 1930-2126
DOI: 10.15376/biores.11.1.95-104
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