Abstract To investigate the effects of fungal volatile organic compounds (FVOCs) on the mycelial growth of Ganoderma lucidum , and to elucidate the molecular mechanisms underlying the growth-promoting effect of 3-octanone. G. lucidum was cultivated with 1-octen-3-ol, 3-octanol and 3-octanone for 7 days, after which colony diameter and mycelial dry weight were measured to assess their effects on mycelial growth. RNA-seq was used to investigate gene expression changes following 3-octanone exposure. While 1-octen-3-ol or 3-octanol inhibited mycelial growth in G. lucidum , 3-octanone promoted it. In total, 590 differentially expressed genes (DEGs), including 162 upregulated and 428 downregulated genes, were identified following 3-octanone exposure. Functional annotation revealed that among the DEGs, 23 genes were related to fungal cell wall biosynthesis and remodeling, whereas 21 genes were involved in plant-derived polysaccharide degradation. Furthermore, significant expression changes were observed in genes related to secondary metabolism. Our results indicate that G. lucidum can use 3-octanone as a signal to recognize other fungi, potentially facilitating the expansion of its own territory within wood in nature.
HORIKAWA et al. (Sun,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: