Post-harvest sugarcane residue degradation by autochthonous fungi |
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| Institution: | 1. Cátedra de Fitopatología, Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, Florentino Ameghino S/N, El Manantial, Tucumán T4104AUD, Argentina;2. PROIMI-CONICET, Av. Belgrano y Caseros, Tucumán T4001MVB, Argentina;3. Instituto de Microbiología, Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Ayacucho 471, Tucumán, Argentina;1. Lodz University of Technology, Faculty of Biotechnology and Food Sciences, Institute of Technical Biochemistry, 90-924 Lodz, 4/10 Stefanowskiego Str., Poland;2. Lodz University of Technology, Faculty of Mechanical Engineering, Institute of Materials Science and Engineering, 90-924 Lodz, 1/15 Stefanowskiego Str., Poland;1. Laboratoire de Chimie des Biomolécules et de l''Environnement – CRIOBE – USR 3278 CNRS EPHE UPVD, Université de Perpignan Via Domitia (UPVD), 52 avenue Paul Alduy 66860 Perpignan, France;2. Institut de Modélisation et d''Analyse en Géo-environnement et Santé (IMAGES, EA 4218), Université de Perpignan Via Domitia (UPVD), 52 avenue Paul Alduy 66860 Perpignan, France;1. Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, 159 Long Pan Road, Nanjing 210037, China;2. College of Chemical Engineering, Nanjing Forestry University, 159 Long Pan Road, Nanjing 210037, China;3. Jiangsu Key Lab for the Chemistry & Utilization of Agricultural and Forest Biomass, 159 Long Pan Road, Nanjing 210037, China;4. Jiangsu Kanion Pharmaceutical Co., Ltd., 58 Haichang South Road, Lianyungang 222001, Jiangsu Province, China;1. Institut d''Electronique Fondamentale, Univ. Paris-Sud/CNRS, 91405 Orsay, France;2. Institut Mines-Telecom, Telecom ParisTech, CNRS LTCI, Paris, France |
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| Abstract: | Several fungal species were isolated from different sources: post-harvest sugarcane residue, soil, decomposing forest litter and from mycelia obtained from the inner parts of fresh fungal fruiting bodies collected in Las Yungas region (Argentina). These isolates were first screened for their ability to produce carboxymethyl cellulose (CMC) degradation and guaiacol oxidation. After primary screening, seventeen isolates were further tested for their ligninolytic ability by assessing polyphenoloxidase, laccase, manganese peroxidase and endoxylanase activities. Based on their lignocellulolytic activities, five isolates (named Bjerkandera sp. Y-HHM2, Phanerochaete sp. Y-RN1, Pleurotus sp. Y-RN3, Hypocrea nigricans SCT-4.4 and Myrothecium sp. S-3.20) were selected for liquid and solid-state fermentation assays in culture media including sugarcane debris. Lignocellulolytic enzymes production, dry mass loss and phenol concentration in the water soluble fraction were then evaluated. Results suggest that native strains with lignocellulolytic activity are suitable to increase post-harvest sugarcane residue decomposition and support the use of these strains as an alternative to pre and post-harvest burning. Biological treatments using Phanerochaete sp. Y-RN1, Pleurotus sp. Y-RN3 and Myrothecium sp. S-3.20 could be used to degrade and increase the accessibility to lignocellulose components of sugarcane residue. |
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| Keywords: | Post-harvest sugarcane residue Lignocellulolytic enzymes Fungus Biodegradation |
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