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Cordyceps, Caterpillar Fungus · 2023 · Journal Article

Medium relevance

Bifusicoumarins A-D: Cytotoxic 3S-dihydroisocoumarins from the entomopathogenic fungus Cordyceps bifusispora (NBRC 108997).

Ophiocordyceps sinensis

Energy & fatigueRespiratory
SpeciesCordyceps, Caterpillar Fungus
JournalPhytochemistry
Year2023

Key points

  • Cordyceps is a genus of ascomycete fungi with some of them being edible and/or having a long tradition in Chinese medicine
  • The chemical characterization of a solvent extract of the entomopathogenic fungus Cordyceps bifusispora afforded four undescribed coumarins, bifusicoumarin A-D (1-4), along with previously reported metabolites (5-8)
  • Structural elucidation was performed via NMR, UV and HRMS analyses, X-ray single crystal diffraction and experimental ECD. A high throughput resazurin reduction assay, that measures cell viability, indicated that 5 has a IC 50 between 1 and 15 μM for several assayed tumor lines
  • Moreover, a protein-interaction network indicated that C. bifusispora is a promising source of additional antitumor metabolites based on SwissTargetPrediction software predictions

Metadata-grounded summary

Citation abstract

Cordyceps is a genus of ascomycete fungi with some of them being edible and/or having a long tradition in Chinese medicine. The chemical characterization of a solvent extract of the entomopathogenic fungus Cordyceps bifusispora afforded four undescribed coumarins, bifusicoumarin A-D (1-4), along with previously reported metabolites (5-8). Structural elucidation was performed via NMR, UV and HRMS analyses, X-ray single crystal diffraction and experimental ECD. A high throughput resazurin reduction assay, that measures cell viability, indicated that 5 has a IC 50 between 1 and 15 μM for several assayed tumor lines. Moreover, a protein-interaction network indicated that C. bifusispora is a promising source of additional antitumor metabolites based on SwissTargetPrediction software predictions.

Citation

Elshamy AI, Mohamed TA, Yoneyama T, Noji M, Ban S, Imagawa H, et al. (2023). Bifusicoumarins A-D: Cytotoxic 3S-dihydroisocoumarins from the entomopathogenic fungus Cordyceps bifusispora (NBRC 108997). Phytochemistry https://doi.org/10.1016/j.phytochem.2023.113743 PMID: 37269936

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