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Fungi-Driven Shifts in Soil DOM Molecular Composition under Biobased Biodegradable Microplastic Exposure
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Researchers examined how fungi mediate shifts in dissolved organic matter composition in soils exposed to biobased biodegradable microplastics, finding that fungal activity plays a pivotal role in regulating organic matter turnover and the stability of soil organic matter under microplastic stress.
). Overall, this study elucidates the pivotal role of fungi in mediating Bio-MP-induced DOM turnover and shaping SOM stability.
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Microplastics Influence Dissolved Organic Matter Transformation Mediated by Microbiomes in Soil Aggregates
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Researchers conducted a 450-day experiment to study how microplastics alter the transformation of dissolved organic matter within soil aggregates, a process critical for soil stability and fertility. They found that microplastics destabilized organic matter in larger soil clumps while increasing its chemical complexity in smaller ones, with biodegradable plastics having the strongest effects. These changes were driven by shifts in microbial communities, suggesting that microplastic pollution could fundamentally alter how carbon cycles through agricultural soils.
Soil-Dependent Microbial Metabolic Strategies Shape Microplastic-Induced Molecular Transformation of Dissolved Organic Matter
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Researchers studied two different farm soil types exposed to regular and biodegradable microplastics, tracking changes in dissolved organic matter and soil microbes. In nutrient-poor soil, biodegradable microplastics were linked to greater breakdown of organic matter and microbial changes favoring resource gathering, while in carbon-rich soil, effects were more limited and microbes favored growth-related traits.
Microplastics InfluenceDissolved Organic Matter TransformationMediated by Microbiomes in Soil Aggregates
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A 450-day incubation study found that microplastics altered dissolved organic matter (DOM) transformation in soil aggregates by disrupting microbiome composition and activity, with effects differing between macro- and micro-aggregate fractions.
Molecular insights into effects of PBAT microplastics on latosol microbial diversity and DOM chemodiversity
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Researchers found that biodegradable PBAT microplastics significantly altered soil microbial community diversity and dissolved organic matter composition in tropical latosol over 120 days, with effects intensifying at higher microplastic concentrations.
MicrobialPhysiologicalAdaptation to BiodegradableMicroplastics Drives the Transformation and Reactivity of DissolvedOrganic Matter in Soil
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Researchers added virgin and aged polylactic acid and polyhydroxyalkanoate microplastics to agricultural soils and found that microbial physiological adaptation to biodegradable plastics significantly altered the transformation and reactivity of dissolved organic matter over a 56-day incubation period.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.