Two new terpenes isolated from dictyostelium cellular slime molds

Hitomi Sasaki, Yuzuru Kubohara, Hirotaka Ishigaki, Katsunori Takahashi, Hiromi Eguchi, Akihiro Sugawara, Yoshiteru Oshima, Haruhisa Kikuchi

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


We report a protoilludane-type sesquiterpene, mucoroidiol, and a geranylated bicyclogermacranol, firmibasiol, isolated from Dictyostelium cellular slime molds. The methanol extracts of the fruiting bodies of cellular slime molds were separated by chromatographic methods to give these compounds. Their structures have been established by several spectral means. Mucoroidiol and firmibasiol are the first examples of more modified and oxidized terpenoids isolated from cellular slime molds. Mucoroidiol showed moderate osteoclast-differentiation inhibitory activity despite demonstrating very weak cell-proliferation inhibitory activity. Therefore, cellular slime molds produce considerably diverse secondary metabolites, and they are promising sources of new natural product chemistry.

Original languageEnglish
Article number25122895
Issue number12
Publication statusPublished - 2020 Jun


  • Cellular slime molds
  • Dictyostelid
  • Natural products
  • Terpenoids


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