Evaluation of lignocellulolytic activities of ten fungal species able to degrade poplar wood |
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| Institution: | 1. Pavia University, Department of Earth and Environmental Science (DSTA), Via S. Epifanio 14, 27100 Pavia, Italy;2. Pavia University, Department of Biology and Biotechnology (DBB), Via Ferrata 9, 27100 Pavia, Italy;1. Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;1. Department of Earth and Environmental Sciences, University of Pavia, Via Ferrata 7, 27100, Pavia, Italy;2. Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, University of Milan, Via G.B. Grassi 74, 20157, Milan, Italy;3. Centre for Health Technologies (C.H.T.), University of Pavia, Via Ferrata 1, 27100, Pavia, Italy;4. Fundacion Universitaria Juan de Castellanos, Carrera 11 No.11-40, Tunja, Boyaca, Colombia;1. Dept. of Wood Science and Engineering, Technical Faculty of Sari No 2, Sari, Iran;2. Dept. of Wood and Paper Sciences of Natural Resources, University of Agriculture and Natural Resources, Sari, Iran;3. Wood Science & Technology Department, Faculty of Civil Engineering, Shahid Rajaee Teacher Training University (SRTTU), Tehran, Iran;4. Dept. of Forest Sciences, University of Ilam, Ilam, Iran;5. Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia;6. Dept. of Wood Biology, University of Hamburg, Leuschnerstr 91, 21031, Hamburg, Germany;7. USDA Forest Service, Forest Products Laboratory, One Gifford Pinchot Drive, Madison, WI, 53726, USA |
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| Abstract: | The study of wood decay fungi that naturally biodegrade lignocellulosic polymers has been steadily increasing during the past two decades due to their industrial and innovative applications. In this work, we compare ten species of lignicolous macrofungi which develop fruiting bodies on poplar in relation to their capacity for growing on poplar wood chips and sawdust and of secreting cell wall degrading enzymes. All the fungi studied appeared to be able to grow well in these conditions and to secrete cellulase and hemicellulase, Mn-peroxidase and cellobiose dehydrogenase, while Li-peroxidase and laccase were produced by seven and six out of the ten species, respectively. Variability in the levels of all these enzymatic activities was assessed. Two species, never investigated before, showed the best performances as regards production of cellulolytic and hemicellulolytic activities (Lenzites warnieri) and Mn-peroxidase (Perenniporia meridionalis). The highest laccase level was detected in the well known plant pathogen Fomes fomentarius, and the brown-rot Daedalea quercina proved to be the best producer of lignin peroxidase and cellobiose dehydrogenase. |
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| Keywords: | Lignicolous fungi Cell wall degrading enzymes Poplar wood |
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