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Yuxiensis granularis gen. et sp. nov., a Novel Quellkörper-bearing Fungal Taxon Added to Scortechiniaceae and Inclusion of Parasympodiellaceae in Coronophorales Based on Phylogenetic Evidence

Summary

This research describes a newly discovered fungal species from China’s Yunnan Province. The study uses both physical characteristics and DNA analysis to classify this fungus and understand its relationships to other fungi. This discovery helps scientists better understand fungal diversity and classification systems. Impacts on everyday life: • Contributes to our understanding of global biodiversity • Helps in cataloging and preserving fungal species • Advances scientific knowledge of fungal evolution and relationships • Supports conservation efforts in biodiversity hotspots • May lead to future applications in biotechnology or medicine

Background

Members of Coronophorales are generally found in terrestrial habitats as saprobes on woody substrates, with no specific host preference. Their diversity spans tropical and temperate regions. The order includes six families classified based on molecular data and morphology. Scortechiniaceae was introduced to accommodate saprobic genera characterized by a distinctive quellkörper structure in their centrum.

Objective

The study aims to introduce a new fungal genus, Yuxiensis, in Scortechiniaceae, collected from Yuxi, China based on morphology and phylogenetic analyses. Additionally, it seeks to include Parasympodiellaceae in Coronophorales based on phylogenetic evidence and synonymize Arthrocristula under Parasympodiella.

Results

The study revealed a new genus Yuxiensis in Scortechiniaceae, characterized by immersed to erumpent, semi-globose ascomata with subcylindrical quellkörper, clavate asci with long pedicels and allantoid hyaline ascospores. Phylogenetic analyses showed close relationship to Pseudocatenomycopsis. Parasympodiellaceae was transferred to Coronophorales based on multi-gene evidence. Arthrocristula was synonymized under Parasympodiella.

Conclusion

The study established a new saprobic genus Yuxiensis in Scortechiniaceae and demonstrated the inclusion of Parasympodiellaceae in Coronophorales through phylogenetic evidence. The findings contribute to the natural classification of Sordariomycetes and highlight the continuing discovery of novel taxa in the Yunnan region.
  • Published in:Life (Basel),
  • Study Type:Taxonomic Study,
  • Source: 10.3390/life11101011
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