title: Tricholoma matsutake fruit bodies secrete hydrogen peroxide as a potent inhibitor of fungal growth.
abstract: Tricholoma matsutake is an ectomycorrhizal fungus that dominates the microbial communities in the soil of pine and spruce forests. The mycorrhizas of this fungus have antimicrobial activity, although factors responsible for the antimicrobial activity have not been fully elucidated. The present study shows that fruit bodies of T. matsutake secreted hydrogen peroxide (H2O2), which was produced by pyranose oxidase, and that the H2O2 thus secreted strongly inhibited the growth of mycelia of the phytopathological fungus Rhizoctonia solani. These findings suggest that fruit bodies of T. matsutake have antifungal activity and that the pyranose oxidase plays an important role in the antifungal activity.
authors: Plant Innovation Center, Japan Tobacco, Inc., 700 Higashibara, Iwata, Shizuoka 438-0802, Japan.
authors: Yoshimitsu
authors: Y
authors: Takakura
mesh_terms: D002237:Carbohydrate Dehydrogenases / Q000378:metabolism; D048690:Fruiting Bodies, Fungal / Q000737:chemistry* / Q000201:enzymology / Q000254:growth & development / Q000378:metabolism; D005656:Fungal Proteins / Q000378:metabolism; D006861:Hydrogen Peroxide / Q000378:metabolism* / Q000494:pharmacology; D025282:Mycelium / Q000737:chemistry / Q000254:growth & development / Q000378:metabolism; D028223:Pinus / Q000382:microbiology; D012232:Rhizoctonia / Q000187:drug effects / Q000254:growth & development*; D055439:Tricholoma / Q000737:chemistry / Q000201:enzymology / Q000254:growth & development / Q000378:metabolism*
chemical_list: D005656:Fungal Proteins; D006861:Hydrogen Peroxide; D002237:Carbohydrate Dehydrogenases; C022489:pyranose oxidase
keywords: Tricholoma matsutake; antimicrobial agent; catalase; fructification; fruit body; hydrogen peroxide; peroxyde d’hydrogène; pyranose oxidase; pyranose oxydase; substance antimicrobienne