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A New Record of Ganoderma tropicum (Basidiomycota, Polyporales) for Thailand and First Assessment of Optimum Conditions for Mycelia Production

Summary

This research documents the first discovery of the medicinal mushroom Ganoderma tropicum in Thailand and determines the best laboratory conditions for growing its mycelia. This fungus is known for producing various bioactive compounds with potential medicinal properties. Impacts on everyday life: – Identifies optimal growing conditions for potential commercial cultivation of this medicinal mushroom – Expands knowledge of medicinal mushroom diversity in Thailand – Contributes to understanding fungal biodiversity in tropical regions – Provides foundation for future research into medicinal compounds from this species

Background

Ganoderma P. Karst. is a white rot fungus that shows parasitic or pathogenic behavior on a wide range of tree species. It is more frequently distributed in tropical and temperate regions worldwide, with G. tropicum specifically limited to tropical regions. The genus produces bioactive compounds like polysaccharides, triterpenoids, sterols and secondary metabolites with medicinal properties.

Objective

To describe a new record of Ganoderma tropicum from Thailand based on morphological and phylogenetic analyses, and to determine the optimal conditions for mycelial growth of this species.

Results

The phylogenetic analyses strongly supported the placement of the Thai G. tropicum strain with isolates from China and Taiwan. The optimal conditions for mycelial growth were found to be PDA, MEA, and YPD media at pH 7-8 and temperatures between 25-28°C. Detailed morphological characteristics including basidiospore size, pileus features, and hyphal system were documented and compared with other known specimens.

Conclusion

This study confirmed the first record of Ganoderma tropicum from Northern Thailand through morphological and phylogenetic evidence. The optimal growth conditions for mycelia were established as PDA, MEA, and YPD media at pH 7-8 and temperature 25-30°C.
  • Published in:MycoKeys,
  • Study Type:Taxonomic Study and Laboratory Investigation,
  • Source: 10.3897/mycokeys.51.33513
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