Disruption of Oxaloacetate Acetylhydrolase Impairs Lignocellulose Utilization but Enhances Mycelial Material Properties in Perenniporia fraxinea
Disrupting the oxaloacetate acetylhydrolase (OAH) gene in *Perenniporia fraxinea* impairs lignocellulose degradation and nutrient acquisition by reducing oxalic acid production, yet simultaneously enhances the mechanical strength of mycelial mats, revealing a trade-off that offers a new strategy for engineering mycelium-based biomaterials.