Article 1 Electron transfer from lignin 1 Fenton chemistry 1 Formaldehyde 1 Fungi 1 Iron 1 Iron reduction Lignin 1 Oxidation-Reduction 1 Phenol 1 Plant cell wall degradation 1 Polysaccharides 1 Reactive Oxygen Species 1 Wood 1 biosynthesis 1 cell damage 1 chemical modification 1 chemical structure 1 chemistry 1 controlled study 1 electron 1 formaldehyde 1 fungal cell wall 1 fungal enzyme 1 fungus 1 hydroxyl radical 1 iron 1 iron metabolism 1 lignin 1 lignocellulose 1