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Enhanced Lignocellulolytic Enzyme Activities on Hardwood and Softwood during Interspecific Interactions of White- and Brown-Rot Fungi
| Content Provider | MDPI |
|---|---|
| Author | Kristiina, Hildén Sugano, Junko Maina, Ndegwa Wallenius, Janne |
| Copyright Year | 2021 |
| Description | Wood decomposition is a sophisticated process where various biocatalysts act simultaneously and synergistically on biopolymers to efficiently break down plant cell walls. In nature, this process depends on the activities of the wood-inhabiting fungal communities that co-exist and interact during wood decay. Wood-decaying fungal species have traditionally been classified as white-rot and brown-rot fungi, which differ in their decay mechanism and enzyme repertoire. To mimic the species interaction during wood decomposition, we have cultivated the white-rot fungus, Bjerkandera adusta, and two brown-rot fungi, Gloeophyllum sepiarium and Antrodia sinuosa, in single and co-cultivations on softwood and hardwood. We compared their extracellular hydrolytic carbohydrate-active and oxidative lignin-degrading enzyme activities and production profiles. The interaction of white-rot and brown-rot species showed enhanced (hemi)cellulase activities on birch and spruce-supplemented cultivations. Based on the enzyme activity profiles, the combination of B. adusta and G. sepiarium facilitated birch wood degradation, whereas B. adusta and A. sinuosa is a promising combination for efficient degradation of spruce wood, showing synergy in β-glucosidase (BGL) and α-galactosidase (AGL) activity. Synergistic BGL and AGL activity was also detected on birch during the interaction of brown-rot species. Our findings indicate that fungal interaction on different woody substrates have an impact on both simultaneous and sequential biocatalytic activities. |
| Starting Page | 265 |
| e-ISSN | 2309608X |
| DOI | 10.3390/jof7040265 |
| Journal | Journal of Fungi |
| Issue Number | 4 |
| Volume Number | 7 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-03-31 |
| Access Restriction | Open |
| Subject Keyword | Journal of Fungi Microbiology Wood Decay Lignocellulose Carbohydrate Active Enzyme Laccase White Rot Brown Rot Synergy |
| Content Type | Text |
| Resource Type | Article |
