Mode of coniferous wood decay by the white rot fungus Phanerochaete carnosa as elucidated by FTIR and ToF-SIMS

The softwood degrading white-rot fungus, Phanerochaete carnosa , was investigated for its ability to degrade two coniferous woods: balsam fir and lodgepole pine. P. carnosa grew similarly on these wood species, and like the hardwood-degrading white-rot fungus Ceriporiopsis subvermispora , P. carnosa...

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Veröffentlicht in:Applied microbiology and biotechnology 2012-06, Vol.94 (5), p.1303-1311
Hauptverfasser: Mahajan, Sonam, Jeremic, Dragica, Goacher, Robyn E., Master, Emma R.
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Sprache:eng
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Zusammenfassung:The softwood degrading white-rot fungus, Phanerochaete carnosa , was investigated for its ability to degrade two coniferous woods: balsam fir and lodgepole pine. P. carnosa grew similarly on these wood species, and like the hardwood-degrading white-rot fungus Ceriporiopsis subvermispora , P. carnosa demonstrated selective degradation of lignin, as observed by Fourier transform infrared spectroscopy and time-of-flight secondary ion mass spectrometry (ToF-SIMS). Lignin degradation across cell walls of decayed pine samples was also evaluated by ToF-SIMS and was shown to be uniform. This study illustrates softwood lignin utilization by a white-rot fungus and reveals the industrial potential of the lignocellulolytic activity elicited by this fungus.
ISSN:0175-7598
1432-0614
DOI:10.1007/s00253-011-3830-1