Fungal Species: Ceratobasidium sp.

Mycorrhizal network: a bidirectional pathway between green-leaved terrestrial orchids and pine trees

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Underground fungal networks connect plant roots like a trading system. Scientists studied how three types of orchids and pine trees exchange carbon and nitrogen through these fungal connections. They found that each orchid species trades resources differently, with carbon consistently flowing from pine to orchids, but nitrogen movement varying by species. This shows that these underground networks are more complex and flexible than previously thought.

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Mycorrhizal fungus BJ1, a new species of Tulasnella sp.: its biological characteristics and promoting effect on seed germination of Bletilla striata

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Researchers discovered a new type of fungus called Tulasnella sp. BJ1 that forms beneficial partnerships with Bletilla striata, a traditional Chinese medicinal plant. When this fungus was used with the plant’s seeds, germination rates and seedling growth improved significantly compared to seeds grown alone. The fungus helps by producing growth-promoting substances like plant hormones and breaking down nutrients that the developing plants can absorb. This finding offers a practical method to grow more B. striata plants efficiently for medicinal use.

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Integration of fungal transcriptomics and metabolomics provides insights into the early interaction between the ORM fungus Tulasnella sp. and the orchid Serapias vomeracea seeds

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This research explores how orchid fungi recognize and respond to orchid seeds before even touching them. Scientists used advanced molecular techniques to track changes in fungal genes and chemical compounds during the early stages of this symbiotic partnership. The findings show that the fungus actively prepares itself to penetrate the seed’s protective barriers, producing special enzymes and metabolites that facilitate this critical interaction for orchid survival.

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