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Closely related fungi employ diverse enzymatic strategies to degrade plant biomass.

Author(s): Benoit I, Culleton H, Zhou M, DiFalco M, Aguilar-Osorio G, Battaglia E, Bouzid O, Brouwer CPJM, El-Bushari HBO, Coutinho PM, Gruben BS, Hild...

Biotechnol Biofuels. 2015;8:107 Authors: Benoit I, Culleton H, Zhou M, DiFalco M, Aguilar-Osorio G, Battaglia E, Bouzid O, Brouwer CPJM, El-Bushari HBO, Coutinho PM, Gruben BS, Hildén KS, Hou...

Article GUID: 26236396
The molecular response of the white-rot fungus Dichomitus squalens to wood and non-woody biomass as examined by transcriptome and exoproteome analyses.

Author(s): Rytioja J, Hildén K, Di Falco M, Zhou M, Aguilar-Pontes MV, Sietiö OM, Tsang A, de Vries RP, Mäkelä MR

Environ Microbiol. 2017 03;19(3):1237-1250 Authors: Rytioja J, Hildén K, Di Falco M, Zhou M, Aguilar-Pontes MV, Sietiö OM, Tsang A, de Vries RP, Mäkelä MR

Article GUID: 28028889
Expression-based clustering of CAZyme-encoding genes of Aspergillus niger.

Author(s): Gruben BS, Mäkelä MR, Kowalczyk JE, Zhou M, Benoit-Gelber I, De Vries RP

BMC Genomics. 2017 Nov 23;18(1):900 Authors: Gruben BS, Mäkelä MR, Kowalczyk JE, Zhou M, Benoit-Gelber I, De Vries RP

Article GUID: 29169319
Title:The molecular response of the white-rot fungus Dichomitus squalens to wood and non-woody biomass as examined by transcriptome and exoproteome analyses.
Authors:Rytioja J,  Hildén K,  Di Falco M,  Zhou M,  Aguilar-Pontes MV,  Sietiö OM,  Tsang A,  de Vries RP,  Mäkelä MR
Link:https://www.ncbi.nlm.nih.gov/pubmed/28028889?dopt=Abstract
DOI:10.1111/1462-2920.13652
Category:Environ Microbiol
PMID:28028889
Dept Affiliation: GENOMICS
1 Division of Microbiology and Biotechnology, Department of Food and Environmental Sciences, University of Helsinki, Helsinki, Finland.
2 Fungal Physiology, CBS-KNAW Fungal Biodiversity Centre & Fungal Molecular Physiology, Utrecht University, Utrecht, 3584, CT, The Netherlands.
3 Centre for Structural and Functional Genomics, Concordia University, Montreal, QC H4B 1R6, Canada.

Description:

The molecular response of the white-rot fungus Dichomitus squalens to wood and non-woody biomass as examined by transcriptome and exoproteome analyses.

Environ Microbiol. 2017 03;19(3):1237-1250

Authors: Rytioja J, Hildén K, Di Falco M, Zhou M, Aguilar-Pontes MV, Sietiö OM, Tsang A, de Vries RP, Mäkelä MR

Abstract

The ability to obtain carbon and energy is a major requirement to exist in any environment. For several ascomycete fungi, (post-)genomic analyses have shown that species that occupy a large variety of habitats possess a diverse enzymatic machinery, while species with a specific habitat have a more focused enzyme repertoire that is well-adapted to the prevailing substrate. White-rot basidiomycete fungi also live in a specific habitat, as they are found exclusively in wood. In this study, we evaluated how well the enzymatic machinery of the white-rot fungus Dichomitus squalens is tailored to degrade its natural wood substrate. The transcriptome and exoproteome of D. squalens were analyzed after cultivation on two natural substrates, aspen and spruce wood, and two non-woody substrates, wheat bran and cotton seed hulls. D. squalens produced ligninolytic enzymes mainly at the early time point of the wood cultures, indicating the need to degrade lignin to get access to wood polysaccharides. Surprisingly, the response of the fungus to the non-woody polysaccharides was nearly as good a match to the substrate composition as observed for the wood polysaccharides. This indicates that D. squalens has preserved its ability to efficiently degrade plant biomass types not present in its natural habitat.

PMID: 28028889 [PubMed - indexed for MEDLINE]