HR Excellence in Science
Date: 14.01.2021

Microbial responses to selected pharmaceuticals in agricultural soils: Microcosm study on the roles of soil, treatment and time

The effects of pharmaceuticals and their mixture on microorganisms were studied in 7 soil types. Using basal respiration and phospholipid fatty acids, we found stimulating effect of sulfamethoxazole, inhibitory effects of irbesartan, citalopram and their mixture on microorganisms in soils of lower quality. Microbial responses were dependent on soil type, pharmaceutical and time. These parameters are important for evaluation of microbiom resilience to micropollutants in the soil management.

Conceptual scheme of the integrative assessment of the soil-pharmaceutical-time interaction to support the microbial resilience and determine the mitigation steps.

Based on the method and the results obtained we provide a conceptual scheme to determine microbial responses under different exposure conditions, which may help to elucidate the effect of individual treatments on microbial activity, community size and structure in diverse soils. The proposed scheme considers the resilience of soil microbial communities to micropollutants within long-term agricultural soil management.

 

Publications:

Frkova, Z., Vystavna, Y., Koubová, A., Kotas, P., Grabicová, K., Grabic, R., Kodešová, R. & Chroňáková, A. (2020). Microbial responses to selected pharmaceuticals in agricultural soils: Microcosm study on the roles of soil, treatment and time. Soil Biology and Biochemistry, 149, 107924. https://doi.org/10.1016/j.soilbio.2020.107924

 

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