Influence of saprophytic fungi and inorganic additives on enzyme activities and chemical properties of the biodegradation process of wheat straw for the production of organo-mineral amendments
Date
Authors
BORIE BORIE, FERNANDO RICARDO
Medina, Jorge
Monreal, Carlos M.
Orellana, Luis
Calabi-Floody, Marcela
González, María Eugenia
Meier, Sebastián
Borie, Fernando R.
Cornejo, Pablo E.
Medina, Jorge
Monreal, Carlos M.
Orellana, Luis
Calabi-Floody, Marcela
González, María Eugenia
Meier, Sebastián
Borie, Fernando R.
Cornejo, Pablo E.
Authors
Date
Datos de publicación:
10.1016/j.jenvman.2019.109922
Keywords
Enzymatic Activities - Lignocellulosic Materials - Organic Matter Stabilization - Laccase - Lignin - Laccase - Lignin - Minerals - Additives - Alumina - Aluminum Oxide - Biodegradation - Enzymes - Fungi - Hematite - Lignin - Manganese Compounds - Straw - Biodegradation Process - Enzymatic Activities - Glucosidase - Inorganic Additives - Laccases - Lignocellulosic Material - Manganese Peroxidase - Organic Matter Stabilization - Saprophytic Fungus - Wheat Straws - Stabilization - Aluminum Oxide - Laccase - Lignin - Mineral - Bioremediation - Trametes - Wheat - Biodegradation, Environmental - Laccase - Minerals - Triticum
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Abstract
Cellulose and lignin as main components of crop residues have a significant influence on composting operations and composition of the final products. Both are strongly associated, and lignin can be considered an important barrier during the biodegradation process of lignocellulosic materials. Saprophytic fungi are efficient lignin degraders due to their complex enzymatic system. Therefore, the influence of the inoculation of saprophytic fungi (Coriolopsis rigida, Pleurotus ostreatus, Trichoderma harzianum and Trametes versicolor) and the supply of inorganic additives (Al<inf>2</inf>O<inf>3</inf>, Fe<inf>2</inf>O<inf>3</inf> and allophanic soil) that promote the stabilization of carbon (C), were analyzed in the biodegradation of wheat straw (WS). The activity of Laccase (LAC), manganese peroxidase (MnP) and ?-glucosidase and changes in temperature, pH and E<inf>4</inf>/E<inf>6</inf> ratio were analyzed in a biodegradation process of 126 days. The activity of LAC, MnP and the E<inf>4</inf>/E<inf>6</inf> ratio were significantly influenced and increased (enzymes) by fungi species, inorganic additives, and time of inorganic material addition, as well as their interactions (p < 0.05). The WS inoculated with T. versicolor showed the highest average activities for LAC, MnP and ?-glucosidase (2000, 220 UL?1 and 400 ?mol pNP g?1 h?1 respectively). Furthermore, the addition of Al<inf>2</inf>O<inf>3</inf> and Fe<inf>2</inf>O<inf>3</inf> increased all the activities regarded to the decomposition of WS and influenced the changes associated with the stabilization of OM in composted WS. In conclusion, the inoculation of WS with T. versicolor in combination with metal oxides improved the enzyme related to the biodegradation process of WS favorizing its stabilization in the medium time, which is of importance in the composting of residues with high C/N ratio. © 2023 Elsevier B.V., All rights reserved.
Description
Keywords
Enzymatic Activities , Lignocellulosic Materials , Organic Matter Stabilization , Laccase , Lignin , Laccase , Lignin , Minerals , Additives , Alumina , Aluminum Oxide , Biodegradation , Enzymes , Fungi , Hematite , Lignin , Manganese Compounds , Straw , Biodegradation Process , Enzymatic Activities , Glucosidase , Inorganic Additives , Laccases , Lignocellulosic Material , Manganese Peroxidase , Organic Matter Stabilization , Saprophytic Fungus , Wheat Straws , Stabilization , Aluminum Oxide , Laccase , Lignin , Mineral , Bioremediation , Trametes , Wheat , Biodegradation, Environmental , Laccase , Minerals , Triticum
Citation
10.1016/j.jenvman.2019.109922