Productivity of isovelleral in fruiting bodies of russuloid fungi and antifungal activity of isovelleral against mycoparasites

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  • OSAKI-OKA Kumiko
    1) Faculty of Agriculture, Tottori University, 4-101, Koyama Minami, Tottori 680-8553, Japan
  • SUYAMA Sayaka
    2) Graduate School of Agriculture, Tottori University, 4-101, Koyama Minami, Tottori 680-8553, Japan
  • USHIJIMA Shuji
    3) The Tottori Mycological Institute, The Japan Kinoko Research Center Foundation, 211, Kokoge, Tottori, 689-1125, Japan
  • ISHIHARA Atsushi
    1) Faculty of Agriculture, Tottori University, 4-101, Koyama Minami, Tottori 680-8553, Japan
  • MAEKAWA Nitaro
    1) Faculty of Agriculture, Tottori University, 4-101, Koyama Minami, Tottori 680-8553, Japan

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Other Title
  • <i>Russula</i> 属および類縁属種のイソベレラール生産性とイソベレラールの菌寄生性菌類に対する抗菌活性
  • Russula属および類縁属種のイソベレラール生産性とイソベレラールの菌寄生性菌類に対する抗菌活性
  • Russulaゾク オヨビ ルイエンゾクシュ ノ イソベレラール セイサンセイ ト イソベレラール ノ キン キセイセイ キンルイ ニ タイスル コウキン カッセイ

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Abstract

Isovelleral, a volatile compound produced by some species of Russula and Lactarius, has various biological activities. However, the productivity of isovelleral in other species belonging to both genera has not been clarified. In this study, the contents of isovelleral in fruiting bodies of various russuloid fungi were investigated by UPLC-MS/MS. We confirmed that 32 species of Russula and 2 species of Lactarius contain isovelleral, and that among Russula, high productivity was phylogenetically restricted to Sect. Ingratae and Sect. Lactarioides. Isovelleral significantly inhibited the spore germination of Trichoderma spp. and Gliocladium spp. Therefore, isovelleral is thought to act as a defense factor against the invasion of mycoparasites into the fruiting body.

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