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Additions to Pleosporalean Taxa Associated with Xanthoceras sorbifolium from Jilin and Hebei, China

Summary

Scientists discovered and identified three types of fungi living on dead stems of the Chinese yellowhorn tree (Xanthoceras sorbifolium). Two of these fungi were completely new to science, while one species had never been found on this plant before. The researchers used a combination of traditional microscopy and modern DNA analysis to identify these fungi and understand how they relate to other known fungal species.

Background

Pleosporalean fungi play significant ecological and economic roles as plant pathogens, saprobes, and endophytes. Xanthoceras sorbifolium is an important tree native to northern China with medicinal properties and oil-rich seeds. Despite extensive research on the plant’s properties, the microfungi associated with this species remain underexplored.

Objective

To identify and characterize pleosporalean fungi collected from dead stems of Xanthoceras sorbifolium in Jilin and Hebei Provinces, China. The study aimed to describe new species and expand knowledge of pleosporalean taxa associated with this economically important woody oil plant.

Results

Five pleosporalean isolates were identified representing two new species (Alloleptosphaeria xanthoceratis and Lophiostoma multiforme) and a new record of Lophiostoma montanae. Phylogenetic analyses strongly supported the monophyly of isolated taxa with detailed morphological descriptions and illustrations provided for all three taxa.

Conclusion

This study enriches knowledge of pleosporalean diversity associated with Xanthoceras sorbifolium and demonstrates the importance of systematic mycological surveys on woody oil plants in China. Further research integrating multi-gene phylogenetic analysis and genomic studies is essential to elucidate the complete microfungal diversity and ecological interactions with this host plant.
  • Published in:Microorganisms,
  • Study Type:Taxonomic study,
  • Source: PMID: 40572184, DOI: 10.3390/microorganisms13061296
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