Transcriptome and Secretome Analyses of the Wood Decay Fungus Wolfiporia cocos Support Alternative Mechanisms of Lignocellulose Conversion.

ABSTRACT:

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Certain wood decay basidiomycetes, collectively referred to as brown rot fungi, rapidly depolymerize cellulose while leaving behind the bulk of cell wall lignin as a modified residue. The mechanism(s) employed is unclear, but considerable evidence implicates the involvement of diffusible oxidants generated via Fenton-like chemistry. Toward a better understanding of this process, we have examined the transcriptome and secretome of Wolfiporia cocos when cultivated on media containing glucose, purified crystalline cellulose, aspen (Populus grandidentata), or lodgepole pine (Pinus contorta) as the sole carbon source. Compared to the results obtained with glucose, 30, 183, and 207 genes exhibited 4-fold increases in transcript levels in cellulose, aspen, and lodgepole pine, r

SUBMITTER: Gaskell J 

PROVIDER: S-EPMC4907202 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature