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Triangularia manubriata sp. Nov.: A Novel Fungal Species Belonging to the Family Podosporaceae Isolated from Soil in Korea

Summary

Scientists in Korea discovered and identified a new fungal species living in soil, which they named Triangularia manubriata. This fungus belongs to a family of soil-dwelling fungi that help break down organic matter and are important for soil health. The researchers used a combination of physical observations and genetic analysis to confirm it was a previously unknown species, marking the first time this fungal genus has been identified in Korea.

Background

Soil-inhabiting fungi play vital ecological roles as decomposers and regulate nutrient balance. The genus Triangularia belongs to the family Podosporaceae and is typically found in terrestrial habitats as saprophytes. This study aimed to expand knowledge of fungal species diversity in Korea.

Objective

To characterize and formally describe a novel fungal strain (KNUF-21-020) isolated from soil in Chungnam province, Korea, based on morphological and phylogenetic analyses.

Results

The strain exhibited distinct morphological features including double-celled ascospores with a triangular upper cell and handle-shaped lower cell (12.0-20.2 × 15.3-25.9 µm). Phylogenetic analysis showed the strain occupied a distinct position from other Triangularia species, with T. bambusae as the closest neighbor. The strain was designated as Triangularia manubriata sp. nov.

Conclusion

Strain KNUF-21-020 represents a novel species in the genus Triangularia, designated Triangularia manubriata sp. nov., and represents the first report of Triangularia genus in Korea. The morphological and phylogenetic analyses support the novelty of this species and contribute to resolving the complex phylogeny of Triangularia.
  • Published in:Mycobiology,
  • Study Type:Taxonomic Description,
  • Source: PMID: 38690028, DOI: 10.1080/12298093.2024.2326240
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