nitrogen cycling – mycolab.ai

Multi-meta-omics reveal unique symbiotic synchronization between ectomycorrhizal fungus and soil microbiome in Tricholoma matsutake habitat

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Researchers studied the complex relationship between matsutake mushrooms and the microorganisms in the soil where they grow. They discovered that matsutake fungi create special partnerships with specific bacteria that help them thrive, and that all these organisms work together in coordinated metabolic ways. The study reveals that understanding these underground partnerships is crucial for potentially cultivating matsutake mushrooms commercially in the future.

Mycelial dynamics in arbuscular mycorrhizal fungi

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This review examines the intricate underground networks formed by arbuscular mycorrhizal fungi, which partner with most land plants to help them absorb nutrients from soil. These fungal networks are far more complex and dynamic than previously recognized, expanding through the soil in coordinated wave-like patterns and responding flexibly to changing environmental conditions. The research highlights that viewing these fungal networks as a unified, responsive system rather than separate parts can help us better understand how they support plant growth and maintain healthy ecosystems.

Biochemical, physicochemical property and archaea community characteristics in casing soil of cultivating Stropharia rugosoannulata

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This study examined how soil changes during the five growth stages of king stropharia mushrooms. Researchers measured soil properties, enzyme activity, and identified archaeal microorganisms present in the soil. They found that soil chemistry and microbial communities changed predictably during mushroom development, with certain beneficial archaea being more active at specific growth stages. These findings can help farmers optimize growing conditions and reduce contamination problems in mushroom production.

The Importance of Humic Acids in Shaping the Resistance of Soil Microorganisms and the Tolerance of Zea mays to Excess Cadmium in Soil

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This research explores how humic acids, which are natural organic substances found in soil, can help protect plants and soil bacteria from cadmium, a toxic heavy metal. When cadmium contaminated soil, the application of humic acid preparation called Humus Active promoted the growth of specialized bacteria that can tolerate and break down cadmium. As a result, corn plants grew better and maize biomass increased significantly when the soil was treated with the humic preparation, suggesting this is a practical solution for farming on contaminated land.

Arbuscular mycorrhiza suppresses microbial abundance, and particularly that of ammonia oxidizing bacteria, in agricultural soils

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This study examined how beneficial fungal partners of plants (arbuscular mycorrhizal fungi) affect soil bacteria that convert ammonia to nitrate. Using 50 different soils from Czech agricultural fields, researchers found that these fungi suppress ammonia-oxidizing bacteria, but surprisingly this happens even when ammonia levels in soil are high. The findings suggest the relationship between these microorganisms is more complex than simple competition for nutrients.

Arbuscular mycorrhiza suppresses microbial abundance, and particularly that of ammonia oxidizing bacteria, in agricultural soils

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This study examined how a beneficial fungus called arbuscular mycorrhiza affects bacteria that break down ammonia in soil. Researchers tested 50 different agricultural soils and found that the fungus suppressed ammonia-oxidizing bacteria populations. Interestingly, the presence of the fungus actually increased ammonia levels in soil while decreasing nitrate, suggesting the relationship is more complex than simple competition for nutrients.

Integrated peloton and fruiting body isotope data shed light on mycoheterotrophic interactions in Gastrodia pubilabiata (Orchidaceae)

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This study examined how a special orchid called Gastrodia pubilabiata obtains nutrients from fungi by comparing the chemical signatures of fungal cells found inside the orchid’s roots with those of mushroom fruiting bodies. The researchers found that the fungal cells inside the roots had nearly identical chemical signatures to the mushroom fruiting bodies, confirming that scientists can accurately study this relationship by analyzing extracted fungal cells. This finding helps validate a scientific method that has been increasingly used to understand how orchids feed on fungi without performing photosynthesis.

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.

Arbuscular mycorrhiza suppresses microbial abundance, and particularly that of ammonia oxidizing bacteria, in agricultural soils

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This study examined how a common soil fungus called arbuscular mycorrhiza affects bacteria and archaea that process ammonia in agricultural soils. Using 50 different soils from the Czech Republic, researchers found that the fungus suppresses ammonia-oxidizing bacteria but not archaea. Interestingly, the fungus actually increased ammonia levels in soil rather than depleting them, suggesting the suppression works through mechanisms beyond simple competition for nutrients.

Metagenomics and In Vitro Growth-Promoting Experiments Revealed the Potential Roles of Mycorrhizal Fungus Humicolopsis cephalosporioides and Helper Bacteria in Cheilotheca humilis Growth

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Scientists studied a rare white plant called Cheilotheca humilis that cannot make its own food through photosynthesis and instead relies on fungi to survive. Using advanced DNA sequencing and laboratory experiments, they discovered that a special fungus called Humicolopsis cephalosporioides and several types of helpful bacteria work together to provide the plant with essential carbon and nutrients. This research reveals how these invisible microbial partners make it possible for this unusual plant to grow and thrive.

Research Keyword: nitrogen cycling