Research Keyword: amino acid biosynthesis

Low Temperature Enhances N-Metabolism in Paxillus involutus Mycelia In Vitro: Evidence From an Untargeted Metabolomic Study

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Researchers studied how a common forest fungus (Paxillus involutus) responds to cold temperatures like those found in spring and autumn. Surprisingly, even though the fungus grew slower in the cold, it actually increased its nitrogen uptake and production of amino acids, the building blocks of proteins. This suggests the fungus has special adaptation mechanisms to thrive in cold environments, which could be important for understanding how climate change might affect forest health.

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Low Temperature Enhances N-Metabolism in Paxillus involutus Mycelia In Vitro: Evidence From an Untargeted Metabolomic Study

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This study examined how a common forest fungus (Paxillus involutus) responds to cold temperatures by analyzing its chemical composition. When kept at cold temperatures like those found in spring and autumn forests, the fungus took up and used more nitrogen for making amino acids and other nitrogen compounds, even though it grew more slowly. This suggests that cold-adapted fungi have special mechanisms to acquire nutrients efficiently in cold conditions, which may be important for how they help trees survive in changing climates.

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Omics approaches to investigate pre-symbiotic responses of the mycorrhizal fungus Tulasnella sp. SV6 to the orchid host Serapias vomeracea

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This study examines how a fungus called Tulasnella responds to orchids before they physically touch each other. Researchers grew the fungus near young orchid plants separated by a thin membrane and found that the fungus changed its genes and chemistry significantly, suggesting it somehow detected the orchid’s presence. The fungus increased production of proteins and fats, as if preparing for a partnership with the plant. These findings help us understand how plants and fungi communicate and begin their beneficial relationships.

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