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Bacterial heavy metal resistance related to environmental conditions.

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Title: Bacterial heavy metal resistance related to environmental conditions.
Authors: Liu, Cheng-Han Michael1,2,3 (AUTHOR), Dahms, Hans-Uwe1,2,3,4,5 (AUTHOR) hudahms11@gmail.com, Hsieh, Chi-Ying1,5,6 (AUTHOR) chiying@mail.npust.edu.tw, Lin, Zong-Ying1,3 (AUTHOR), Lin, Tai-Yan1,3 (AUTHOR), Huang, Xiao-Qian1 (AUTHOR)
Source: Chemosphere. Jan2024, Vol. 347, pN.PAG-N.PAG. 1p.
Subjects: Heavy metals, Pollution risk assessment, River pollution, Drug resistance in bacteria, Water pollution, Environmental risk assessment
Abstract: Contaminated water bodies such as rivers provide reservoirs for bacterial resistance. This field study tested the water quality and the bacterial resistance to heavy metals of Qishan River water pollution. Wastewater discharged to environmental surface waters is a major pathway of heavy metals and heavy metal-resistant bacteria. Contaminated water bodies such as rivers provide reservoirs for bacterial resistance. This field study tested the water quality and bacterial resistance to heavy metals of Qishan River water pollution. Guided by our research hypothesis that an overall increase in downstream heavy metal resistance levels was following an increase in human settlements were eight sites sampled along the Qishan River. These were situated upstream and downstream to the confluence of the Qishan River with the Kaoping River. In the laboratory bacterial heavy metal resistance was bio-assayed by disk diffusion and micro-dilution with six widely used heavy metals. The comparison of bacterial resistance was among Qishan River upstream sites (sites 1–6) and downstream sites (sites 7–9). Multi-drug-resistant bacteria and co-resistance against heavy metals and antibacterials appeared at site 8. This research discusses the correlation between environmental factors, and antibacterial and heavy metal resistance. The results provide stakeholders and authorities responsible for environmental pollution with a reference for risk assessment and management of bacterial resistance. [Display omitted] • Risks to environmental health result from antibacterial and heavy metal resistance. • Downstream heavy metal resistance indicates different resistance patterns. • Ecotoxicological assessment provides a reference for the relevant authorities. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Contaminated water bodies such as rivers provide reservoirs for bacterial resistance. This field study tested the water quality and the bacterial resistance to heavy metals of Qishan River water pollution. Wastewater discharged to environmental surface waters is a major pathway of heavy metals and heavy metal-resistant bacteria. Contaminated water bodies such as rivers provide reservoirs for bacterial resistance. This field study tested the water quality and bacterial resistance to heavy metals of Qishan River water pollution. Guided by our research hypothesis that an overall increase in downstream heavy metal resistance levels was following an increase in human settlements were eight sites sampled along the Qishan River. These were situated upstream and downstream to the confluence of the Qishan River with the Kaoping River. In the laboratory bacterial heavy metal resistance was bio-assayed by disk diffusion and micro-dilution with six widely used heavy metals. The comparison of bacterial resistance was among Qishan River upstream sites (sites 1–6) and downstream sites (sites 7–9). Multi-drug-resistant bacteria and co-resistance against heavy metals and antibacterials appeared at site 8. This research discusses the correlation between environmental factors, and antibacterial and heavy metal resistance. The results provide stakeholders and authorities responsible for environmental pollution with a reference for risk assessment and management of bacterial resistance. [Display omitted] • Risks to environmental health result from antibacterial and heavy metal resistance. • Downstream heavy metal resistance indicates different resistance patterns. • Ecotoxicological assessment provides a reference for the relevant authorities. [ABSTRACT FROM AUTHOR]
ISSN:00456535
DOI:10.1016/j.chemosphere.2023.140539