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Title: | Capacity of Auricularia auricula-judae to degrade agro-forestry residues | Authors: | Galić, Milica Stajić, Mirjana Vukojević, Jelena Ćilerdžić, Jasmina |
Keywords: | Auricularia auricula-judae;Plant residues;Delignification;Laccases;Mn-oxidizing peroxidases | Issue Date: | 2020 | Rank: | M22 | Journal: | Cellulose Chemistry and Technology | Volume: | 54 | Issue: | 1-2 | Start page: | 179 | End page: | 184 | Abstract: | Agro-forestry residues are a widespread lignocellulosic biomass, which could be used as raw material in many industries. The essential precondition for their usage is delignification, a process where white-rot fungi have a crucial role due to their powerful ligninolytic enzyme system. The objectives of this study were to investigate the insufficiently studied ligninolytic potential of Auricularia auricula-judae by determining its Mn-oxidizing peroxidase and laccase activities, as well as its capacity for lignin, hemicellulose and cellulose degradation during fermentation of common agro-forestry residues. The highest Mn-dependent and Mn-independent peroxidase activities were detected after plum sawdust and wheat straw solid-state fermentation (121.21 U L-1 and 136.36 U L-1, respectively), while only blackberry sawdust induced laccase production (107.37 U L-1). A significant reduction in the lignin content (46.4%) was achieved after wheat straw fermentation, while the highest selectivity index (12.71) was observed for oak sawdust. These data show that A. auricula-judae has a great potential to delignify plant residues and, consequently, can be used in various biotechnological processes. |
URI: | https://biore.bio.bg.ac.rs/handle/123456789/3590 | DOI: | 10.35812/CelluloseChemTechnol.2020.54.20 |
Appears in Collections: | Journal Article |
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