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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 a new fungal species living in soil, named Triangularia manubriata. The fungus was identified using microscopic observation and DNA analysis, revealing it had unique features compared to related species. This discovery is the first report of the Triangularia genus in Korea and may help researchers understand the diversity of soil fungi and their potential useful applications.

Background

Soil-inhabiting fungi play vital ecological roles as decomposers and nutrient regulators. The family Podosporaceae includes three genera: Cladorrhinum, Podospora, and Triangularia, which produce distinctive double-celled ascospores. The genus Triangularia is typically found in terrestrial habitats growing as saprophytes among leaf litter.

Objective

This study aimed to expand knowledge of fungal species diversity in Korea by morphologically and molecularly characterizing strain KNUF-21-020 isolated from soil in Chungnam province, Korea, to determine if it represents a novel species.

Results

Strain KNUF-21-020 showed distinct morphological characteristics with triangular upper ascospore cells and handle-shaped lower cells, differing from related species. Phylogenetic analyses based on multilocus sequence analysis demonstrated the strain occupied a distinct position from other Triangularia species, with T. bambusae as its closest phylogenetic neighbor.

Conclusion

Strain KNUF-21-020 represents a novel species in the genus Triangularia designated as Triangularia manubriata sp. nov. This is the first report of the genus Triangularia in Korea and contributes to resolving the phylogenetic complexity of this genus.
  • Published in:Mycobiology,
  • Study Type:Descriptive Study,
  • Source: 10.1080/12298093.2024.2326240
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