nitrogen cycling – mycolab.ai

Leucocalocybe mongolica Fungus Enhances Rice Growth by Reshaping Root Metabolism, and Hormone-Associated Pathways

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Researchers discovered that a special fungus called Leucocalocybe mongolica, when added to soil, significantly improves rice plant growth without requiring chemical fertilizers. Plants grown in fungus-treated soil developed more branches (tillers), had longer roots, and contained more chlorophyll, making them greener and healthier. The study revealed that the fungus works by altering soil nutrients and triggering specific genes in rice roots that boost growth-promoting hormones and improve how plants process energy.

Interactions Between Morel Cultivation, Soil Microbes, and Mineral Nutrients: Impacts and Mechanisms

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This study examined how growing morel mushrooms affects the soil they’re planted in. Researchers found that different morel species had different effects on soil bacteria and fungi, with some species dramatically reducing the variety of fungi present. The study also discovered that morel growth depletes certain nutrients like boron while accumulating calcium, and that calcium levels are closely linked to how well morels grow.

Response of Chaetomium sp. to Nitrogen Input and Its Potential Role in Rhizosphere Enrichment of Lycium barbarum

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Goji berries grow better when treated with a beneficial fungus called Chaetomium, especially when combined with proper nitrogen management. This fungus helps regulate nitrogen cycling in the soil and promotes plant growth more effectively than nitrogen fertilizer alone. The research suggests that farmers can reduce nitrogen fertilizer use while maintaining or improving crop productivity by using this fungal inoculant, which is better for the environment.

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.

A trait spectrum linking nitrogen acquisition and carbon use of ectomycorrhizal fungi

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Different types of ectomycorrhizal fungi have evolved distinct strategies for acquiring nutrients from soil and transferring them to trees. The study proposes that these fungi can be arranged on a spectrum from ‘absorbers’ that quickly grab available nutrients in fertile forests to ‘miners’ that slowly exploit tough organic matter in poor forests. This framework explains why the same fungus behaves differently depending on soil fertility and unifies seemingly contradictory observations about fungal responses to nutrient additions.

Hydrothermal liquefaction aqueous phase mycoremediation to increase inorganic nitrogen availability

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When biomass is converted to biofuel through a heating process called hydrothermal liquefaction, it produces a waste liquid containing nutrients but also toxins. Scientists used a type of fungus called Trametes versicolor to clean up this waste and convert the nitrogen into forms that plants can use. After three days of treatment with the fungus, nitrogen levels that plants can use increased dramatically. Adding helpful bacteria further improved the results, making this waste potentially usable as a fertilizer for growing vegetables hydroponically.

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.

A trait spectrum linking nitrogen acquisition and carbon use of ectomycorrhizal fungi

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Forest mushroom fungi form partnerships with tree roots to help them get nutrients from soil. This research proposes that these fungi fall into two main types along a spectrum: ‘absorbers’ that quickly build large fungal networks to capture easily available nitrogen, and ‘miners’ that slowly grow elaborate cord systems to break down difficult organic matter and extract nitrogen. The study uses math models to show how different fungal strategies affect both how much carbon the trees provide and how much nitrogen returns to the trees.

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 Topic: nitrogen cycling