Comparative Analysis of Enzyme Production Patterns of Lignocellulose Degradation of Two White Rot Fungi: Obba rivulosa and Gelatoporia subvermispora

The unique ability of basidiomycete white rot fungi to degrade all components of plant cell walls makes them indispensable organisms in the global carbon cycle. In this study, we analyzed the proteomes of two closely related white rot fungi, Obba rivulosa and Gelatoporia subvermispora, during eight-...

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Published in:Biomolecules (Basel, Switzerland) Switzerland), 2022-07, Vol.12 (8), p.1017
Main Authors: Marinovíc, Mila, Di Falco, Marcos, Aguilar Pontes, Maria Victoria, Gorzsás, András, Tsang, Adrian, de Vries, Ronald P., Mäkelä, Miia R., Hildén, Kristiina
Format: Article
Language:English
Subjects:
Biodegradation
Carbon cycle
CAZymes
Cell walls
Cellulose
Comparative analysis
Enzymes
Fungi
Gelatoporia subvermispora
Genomes
Growth rate
LC-MS/MS
Lignin
lignin biodegradation
Lignocellulose
Nitrogen
Obba rivulosa
Peptides
Potassium
Proteins
proteome
Proteomes
Proteomics
Species
Spectrum analysis
White rot
white rot fungi
Wood
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Summary:The unique ability of basidiomycete white rot fungi to degrade all components of plant cell walls makes them indispensable organisms in the global carbon cycle. In this study, we analyzed the proteomes of two closely related white rot fungi, Obba rivulosa and Gelatoporia subvermispora, during eight-week cultivation on solid spruce wood. Plant cell wall degrading carbohydrate-active enzymes (CAZymes) represented approximately 5% of the total proteins in both species. A core set of orthologous plant cell wall degrading CAZymes was shared between these species on spruce suggesting a conserved plant biomass degradation approach in this clade of basidiomycete fungi. However, differences in time-dependent production of plant cell wall degrading enzymes may be due to differences among initial growth rates of these species on solid spruce wood. The obtained results provide insight into specific enzymes and enzyme sets that are produced during the degradation of solid spruce wood in these fungi. These findings expand the knowledge on enzyme production in nature-mimicking conditions and may contribute to the exploitation of white rot fungi and their enzymes for biotechnological applications.
ISSN:2218-273X
2218-273X
DOI:10.3390/biom12081017