1. Characterizing Fungal Decay of Beech Wood: Potential for Biotechnological Applications
- Author
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Bari, Ehsan, Ohno, Katie, Yilgor, Nural, Singh, Adya, Morrell, Jeffrey, Pizzi, Antonio, Tajick Ghanbary, Mohammad Ali, Ribera, Javier, Technical and Vocational University Sari (TVU Sari), USDA Forest Products Laboratory, Istanbul University Cerrahpasa, Scion - New Zealand Forest Research Institute, University of the Sunshine Coast (USC), Faculté des Sciences et Technologies [Université de Lorraine] (FST ), Université de Lorraine (UL), Sari Agricultural Sciences and Natural Resources University, Swiss Federal Laboratories for Materials Science and Technology [St Gallen] (EMPA), Laboratoire d'Etude et de Recherche sur le Matériau Bois (LERMAB), and Sari Agricultural Sciences and Natural Resources University (SANRU)
- Subjects
Pizzi ,Singh ,K ,white-rot ,macromolecular substances ,Morrell ,Article ,soft-rot ,[SPI]Engineering Sciences [physics] ,A ,E ,lignin degradation ,[CHIM]Chemical Sciences ,J.J ,biological treatment ,lcsh:QH301-705.5 ,A.P ,ComputingMilieux_MISCELLANEOUS ,M.A ,brown-rot ,fungi ,Yilgor ,technology, industry, and agriculture ,Ribera ,N ,Bari ,lcsh:Biology (General) ,Tajick Ghanbary ,Ohno ,J white-rot ,beech - Abstract
The biotechnological potential of nine decay fungi collected from stored beech logs at a pulp and paper factory yard in Northern Iran was investigated. Beech blocks exposed to the fungi in a laboratory decay test were used to study changes in cell wall chemistry using both wet chemistry and spectroscopic methods. Pleurotus ostreatus, P. pulmonarius, and Lentinus sajor-caju caused greater lignin breakdown compared to other white-rot fungi, which led to a 28% reduction in refining energy. Trametesversicolor caused the greatest glucan loss, while P. ostreatus and L. sajor-caju were associated with the lowest losses of this sugar. Fourier transform infrared spectroscopy (FTIR) analyses indicated that white-rot fungi caused greater lignin degradation in the cell walls via the oxidation aromatic rings, confirming the chemical analysis. The rate of cellulose and lignin degradation by the T.versicolor and Pleurotus species was high compared to the other decay fungi analyzed in this study. Based on the above information, we propose that, among the fungi tested, P. ostreatus (27.42% lignin loss and 1.58% cellulose loss) and L. sajor-caju (29.92% lignin loss and 5.95% cellulose loss) have the greatest potential for biopulping.
- Published
- 2021
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