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Eleven new species of Trichoderma (Hypocreaceae, Hypocreales) from China

Summary

Scientists discovered 11 new species of Trichoderma fungi in China that were isolated from soil and grass plants. These fungi are important because they can produce useful compounds, help control plant diseases, and promote plant growth. The researchers used genetic analysis and microscopy to identify and describe these new species, expanding our knowledge of fungal diversity in China.

Background

Trichoderma species are globally distributed fungi with significant economic and ecological importance. They are recognized as efficient producers of enzymes and antibiotics, biocontrol agents, plant growth promoters, and bioremediators. The genus has evolved into a species-rich group with over 500 recognized species, including newly discovered endophytes in plant tissues.

Objective

This study aimed to identify and describe 11 novel species of Trichoderma isolated from soils and living Poaceae plants collected from five provinces in China. The phylogenetic position and morphological characteristics of these new species were determined using molecular and morphological analyses.

Results

Eleven new species were identified: T. caeruleum, T. gongcheniae, T. graminicola, T. graminis, T. hongkuii, T. parapeberdyi, T. neoguizhouense, T. neohongkuii, T. parahamatum, T. parahongkuii, and T. shaanxiensis. Phylogenetic analysis revealed six species in the Harzianum Clade, three in the Koningii Clade, one in the Hamatum Clade, and one distinct species forming its own lineage.

Conclusion

The discovery of these 11 new Trichoderma species contributes significantly to knowledge of Trichoderma species resources in China. The study demonstrates the importance of systematic exploration of fungal diversity in soils and plant tissues, with detailed morphological and molecular characterization supporting species delineation.
  • Published in:Mycology,
  • Study Type:Taxonomic Study,
  • Source: 10.1080/21501203.2024.2330400, PMID: 40083403
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