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Integrated Effects of Polyamide Microplastics and Three Abundant Antimicrobials and Reclaimed Water On The Growth of Lettuce and Soil Bacterial Communities
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Researchers investigated the combined effects of polyamide microplastics and three common antimicrobials -- sulfamethoxazole, ciprofloxacin, and triclosan -- alongside reclaimed water irrigation on lettuce growth and soil bacterial community composition. The study examined how simultaneous exposure to microplastics and pharmaceutical contaminants alters soil microbial ecology in agricultural settings.
This project aimed to study the effects of polyamide microplastics and common antimicrobials (sulfamethoxazole, ciprofloxacin, and triclosan) on soil bacterial communities of lettuce soil.
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Integrated effects of polyamide microplastics and common antimicrobials in reclaimed water on the growth of lettuce (Lactuva sativa L.) and soil bacterial communities
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Researchers grew lettuce irrigated with reclaimed water containing polyamide microplastics combined with antibiotics and measured effects on plant growth and soil bacterial communities. The combined contaminants disrupted soil microbial diversity and altered antibiotic bioavailability, while lettuce biomass and nutrient uptake declined, with implications for food safety in regions relying on reclaimed water irrigation.
Effects of co-exposure of antibiotic and microplastic on the rhizosphere microenvironment of lettuce seedlings
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Researchers examined how the combination of antibiotics and polyethylene microplastics in agricultural soil affects lettuce seedling growth and the microbial community around plant roots. They found that combined exposure altered soil bacterial diversity, changed the chemical profile of root-zone metabolites, and affected nutrient cycling differently than either contaminant alone. The study highlights the compounding environmental risks when antibiotics from animal manure and microplastics from plastic films co-exist in farmland soils.
Polyamide Microplastics and Common Antimicrobials in Treated Wastewater: Unveiling their Effects on Rice Plant Growth and Soil Microbiome dynamics
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Researchers exposed rice plants to polyamide microplastics and three antimicrobials — sulfamethoxazole, ciprofloxacin, and triclosan — individually and in combination, finding that microplastics enhanced uptake of two antimicrobials into plant tissues and drove 100–200-fold increases in soil antibiotic resistance genes, revealing compounding risks when these co-contaminants interact in agricultural soils.
Effects of co-loading of polyethylene microplastics and ciprofloxacin on the antibiotic degradation efficiency and microbial community structure in soil
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Researchers studied how polyethylene microplastics and the antibiotic ciprofloxacin together affect soil microbial communities and antibiotic degradation. The study found that co-loading of microplastics with antibiotics altered microbial community structure and affected the rate of antibiotic degradation in soil, suggesting microplastic contamination may influence how soils process pharmaceutical pollutants.
Microbiome (rice soil)
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Researchers investigated the effects of polyamide microplastics combined with common antimicrobials — sulfamethoxazole, ciprofloxacin, and triclosan — on bacterial communities in rice paddy soil microbiomes. The project aimed to characterize how co-exposure to microplastics and antibiotics alters soil microbial diversity and community composition in agricultural environments.
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