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Evaluation of the taxonomic and functional variation of freshwater plankton communities induced by trace amounts of the antibiotic ciprofloxacin.
Environ Int. 2019 05; 126:268-278.EI

Abstract

Ciprofloxacin (CIP), one of the most frequently detected antibiotics in water systems, has become an aquatic contaminant because of improper disposal and excretion by humans and animals. It is still unknown how trace amounts of CIP affect the aquatic microbial community diversity and function. We therefore investigated the effects of CIP on the structure and function of freshwater microbial communities via 16S/18S rRNA gene sequencing and metatranscriptomic analyses. CIP treatment (7 μg/L) did not significantly alter the physical and chemical condition of the water body as well as the composition of the main species in the community, but slightly increased the relative abundance of cyanobacteria and decreased the relative abundance of eukaryotes. Metatranscriptomic results showed that bacteria enhanced their phosphorus transport and photosynthesis after CIP exposure. The replication, transcription, translation and cell proliferation were all suppressed in eukaryotes, while the bacteria were not affected in any of these aspects. This interesting phenomenon was the exact opposite to both the antibacterial property of CIP and its safety for eukaryotes. We hypothesize that reciprocal and antagonistic interactions in the microcosm both contribute to this result: cyanobacteria may enhance their tolerance to CIP through benefiting from cross-feeding and some secreted substances that withstand bacterial CIP stress would also affect eukaryotic growth. The present study thus indicates that a detailed assessment of the aquatic ecotoxicity of CIP is essential, as the effects of CIP are much more complicated in microbial communities than in monocultures. CIP will continue to be an environmental contaminant due to its wide usage and production and more attention should be given to the negative effects of antibiotics as well as other bioactive pollutants on aquatic environments.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Lu T
College of Environment, Zhejiang University of Technology, Hangzhou 310032, China.
Zhu Y
College of Environment, Zhejiang University of Technology, Hangzhou 310032, China.
Ke M
College of Environment, Zhejiang University of Technology, Hangzhou 310032, China.
Peijnenburg WJGM
Institute of Environmental Sciences (CML), Leiden University, RA, Leiden 2300, the Netherlands; National Institute of Public Health and the Environment (RIVM), Center for Safety of Substances and Products, P.O. Box 1, Bilthoven, the Netherlands.
Zhang M
College of Environment, Zhejiang University of Technology, Hangzhou 310032, China.
Wang T
Key laboratory of microbial technology and bioinformatics of Zhejiang Province, Hangzhou 310012, China.
Chen J
College of Biological and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310021, China.
Qian H
College of Environment, Zhejiang University of Technology, Hangzhou 310032, China. Electronic address: hfqian@zjut.edu.cn.

MeSH

Anti-Bacterial AgentsBacteriaCiprofloxacinFresh WaterPlanktonWater Pollutants, Chemical

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

30825745

Citation

Lu, Tao, et al. "Evaluation of the Taxonomic and Functional Variation of Freshwater Plankton Communities Induced By Trace Amounts of the Antibiotic Ciprofloxacin." Environment International, vol. 126, 2019, pp. 268-278.
Lu T, Zhu Y, Ke M, et al. Evaluation of the taxonomic and functional variation of freshwater plankton communities induced by trace amounts of the antibiotic ciprofloxacin. Environ Int. 2019;126:268-278.
Lu, T., Zhu, Y., Ke, M., Peijnenburg, W. J. G. M., Zhang, M., Wang, T., Chen, J., & Qian, H. (2019). Evaluation of the taxonomic and functional variation of freshwater plankton communities induced by trace amounts of the antibiotic ciprofloxacin. Environment International, 126, 268-278. https://doi.org/10.1016/j.envint.2019.02.050
Lu T, et al. Evaluation of the Taxonomic and Functional Variation of Freshwater Plankton Communities Induced By Trace Amounts of the Antibiotic Ciprofloxacin. Environ Int. 2019;126:268-278. PubMed PMID: 30825745.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Evaluation of the taxonomic and functional variation of freshwater plankton communities induced by trace amounts of the antibiotic ciprofloxacin. AU - Lu,Tao, AU - Zhu,Youchao, AU - Ke,Mingjing, AU - Peijnenburg,W J G M, AU - Zhang,Meng, AU - Wang,Tingzhang, AU - Chen,Jun, AU - Qian,Haifeng, Y1 - 2019/02/27/ PY - 2018/12/25/received PY - 2019/02/20/revised PY - 2019/02/20/accepted PY - 2019/3/3/pubmed PY - 2019/10/30/medline PY - 2019/3/3/entrez KW - Ciprofloxacin KW - Cyanobacteria KW - Freshwater microbiome KW - High-throughput sequencing KW - Meta-transcriptomic analysis SP - 268 EP - 278 JF - Environment international JO - Environ Int VL - 126 N2 - Ciprofloxacin (CIP), one of the most frequently detected antibiotics in water systems, has become an aquatic contaminant because of improper disposal and excretion by humans and animals. It is still unknown how trace amounts of CIP affect the aquatic microbial community diversity and function. We therefore investigated the effects of CIP on the structure and function of freshwater microbial communities via 16S/18S rRNA gene sequencing and metatranscriptomic analyses. CIP treatment (7 μg/L) did not significantly alter the physical and chemical condition of the water body as well as the composition of the main species in the community, but slightly increased the relative abundance of cyanobacteria and decreased the relative abundance of eukaryotes. Metatranscriptomic results showed that bacteria enhanced their phosphorus transport and photosynthesis after CIP exposure. The replication, transcription, translation and cell proliferation were all suppressed in eukaryotes, while the bacteria were not affected in any of these aspects. This interesting phenomenon was the exact opposite to both the antibacterial property of CIP and its safety for eukaryotes. We hypothesize that reciprocal and antagonistic interactions in the microcosm both contribute to this result: cyanobacteria may enhance their tolerance to CIP through benefiting from cross-feeding and some secreted substances that withstand bacterial CIP stress would also affect eukaryotic growth. The present study thus indicates that a detailed assessment of the aquatic ecotoxicity of CIP is essential, as the effects of CIP are much more complicated in microbial communities than in monocultures. CIP will continue to be an environmental contaminant due to its wide usage and production and more attention should be given to the negative effects of antibiotics as well as other bioactive pollutants on aquatic environments. SN - 1873-6750 UR - https://www.unboundmedicine.com/medline/citation/30825745/Evaluation_of_the_taxonomic_and_functional_variation_of_freshwater_plankton_communities_induced_by_trace_amounts_of_the_antibiotic_ciprofloxacin_ DB - PRIME DP - Unbound Medicine ER -