Transformation of plant substrates by fungi Fomitopsis pinicola Olga O. Mamaeva, Elena V. Isaeva, Sergey R. Loskutov, Elena A. Petrunina, Vladimir S. Fedorov and Roman A. Marchenko E3S Web of Conf., 390 (2023) 04003 Published online: 01 June 2023 DOI: 10.1051/e3sconf/202339004003