Article (Scientific journals)
Microbial responses to selected pharmaceuticals in agricultural soils: Microcosm study on the roles of soil, treatment and time
Frkova, Zuzana; Vystavna, Yuliya; Koubova, Anna et al.
2020In Soil Biology and Biochemistry, 149, p. 107924
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Keywords :
Basal respiration; Emerging compounds; Microbial biomass; Micropollutants; PLFA
Abstract :
[en] Evaluating microbial responses to pharmaceuticals in agricultural soils is essential to improve our fundamental understanding of the fate of micropollutants and their potential implications for the environment and human health. In this study, we focused on the immediate (1 d), short- (13 d) and long-term effects (61 d) of pharmaceutical amendment on microbial communities in seven soils differing in physical chemical properties. Basal respiration was used to indicate microbial activity, while phospholipid fatty acids were used to determine microbial biomass and community structure. We identified four microbial responses to pharmaceutical amendment: stimulation, inhibition, stress and dormancy, which were highly significant in the short-term. The largest stimulatory effect accompanied by shifts in the microbial community structure towards fungi and G- bacteria was detected for sulfamethoxazole. The inhibitory effect was mainly observed for citalopram, irbesartan and pharmaceutical mixture in Cambisol Dystric with minor alterations in microbial community structure compare to a non-amended control. The stress effect was detected for all pharmaceuticals in Arenosol and Cambisol Haplic. While the dormancy effect was mainly observed in Chernozem Siltic for most of the pharmaceuticals. Microbial responses were highly dependent on the soil type, pharmaceutical compound and time, highlighting the importance to consider these parameters including a resilience of soil microbial communities to micropollutants within a long-term agricultural soil management.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Frkova, Zuzana ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Vystavna, Yuliya
Koubova, Anna
Kotas, Petr
Grabicova, Katerina
Grabic, Roman
Kodesova, Radka
Chronakova, Alica
External co-authors :
yes
Language :
English
Title :
Microbial responses to selected pharmaceuticals in agricultural soils: Microcosm study on the roles of soil, treatment and time
Publication date :
2020
Journal title :
Soil Biology and Biochemistry
ISSN :
0038-0717
Volume :
149
Pages :
107924
Peer reviewed :
Peer reviewed
Available on ORBilu :
since 18 September 2020

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