Seasonal Changes in Antibiotic Resistance Genes in Rivers and Reservoirs in South Korea

Son, Dae-Ik; Aleta, Prince; Park, Minseung; Yoon, Hyojik; Cho, Kyung Hwa; Kim, Young Mo; Kim, Sungpyo

doi:10.2134/jeq2017.12.0493

Cited by 31 publications

(8 citation statements)

References 66 publications

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“…Observations at coarser scales can reveal emerging patterns or properties that are not detectable at finer scales. Stocker et al (2018) studied E. coli concentration changes in the stream‐bottom sediment after high‐flow events and reported that growth of the E. coli population was pronounced at the stream‐reach scale but could be easily missed with the monitoring at the “single‐sample” scale.…”

Section: Spatiotemporal Variability Of Microbial Water Qualitymentioning

confidence: 99%

“…Sediment E. coli populations can grow between high‐flow events. The rate of such growth was studied by Stocker et al (2018) in highly detailed sampling of streambed sediment across the stream reach before and after artificial and natural high‐flow events during 1 mo. The authors show that the increase of E. coli in sediment across the reach did occur, but this increase was due to high growth rate in several locations with elevated clay and organic matter contents.…”

Section: Role Of Bottom Sediments and Other Border Ecosystemsmentioning

confidence: 99%

“…Elucidating seasonality in ARG generation appears to be essential for designing and implementing ARG monitoring. An instructive example of such seasonality is presented by Son et al (2018) for two reservoirs in South Korea, which are located near drinking-water treatment plants. The measured total ARG concentrations reached up to 2.5 × 10 7 copies mL -1 .…”

Section: Antibiotic Resistancementioning

confidence: 99%

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Microbial Water Quality: Monitoring and Modeling

et al. 2018

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Microbial water quality lies in the nexus of human, animal, and environmental health. Multidisciplinary efforts are under way to understand how microbial water quality can be monitored, predicted, and managed. This special collection of papers in the Journal of Environmental Quality was inspired by the idea of creating a special section containing the panoramic view of advances and challenges in the arena of microbial water quality research. It addresses various facets of health‐related microorganism release, transport, and survival in the environment. The papers analyze the spatiotemporal variability of microbial water quality, selection of predictors of the spatiotemporal variations, the role of bottom sediments and biofilms, correlations between concentrations of indicator and pathogenic organisms and the role for risk assessment techniques, use of molecular markers, subsurface microbial transport as related to microbial water quality, antibiotic resistance, real‐time monitoring and nowcasting, watershed scale modeling, and monitoring design. Both authors and editors represent international experience in the field. The findings underscore the challenges of observing and understanding microbial water quality; they also suggest promising research directions for improving the knowledge base needed to protect and improve our water sources. Core Ideas Environmental factors are known to control microbial water quality in natural systems. This collection of papers presents a panoramic view of microbial water quality research. With this special section, the editors hope to stimulate interdisciplinary efforts in the field.

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Section: Spatiotemporal Variability Of Microbial Water Qualitymentioning

confidence: 99%

Section: Role Of Bottom Sediments and Other Border Ecosystemsmentioning

confidence: 99%

Section: Antibiotic Resistancementioning

confidence: 99%

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Microbial Water Quality: Monitoring and Modeling

et al. 2018

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“…However, these studies of ARGs in water tend to be conducted in the same season although some seasonal sensitive factors such as water flow, human activity and bird migration may influence the abundance of ARGs. Even if there are occasional studies involving seasonal factors [19][20][21], such research often studies the influences of seasonal factors on a single water body and lacks the horizontal comparison of time factors between different water bodies, which can demonstrate the seasonal stability difference of abundance and distribution of ARGs between water bodies. Therefore, to study the ARGs, which are abundant in lakes, rivers and seas, our team spent approximately half a year sampling three representative natural water bodies-Poyang Lake, Haihe River and Yellow Sea during high and low water periods to investigate: (1) current distribution of ARGs in typical bodies of water.…”

Section: Introductionmentioning

confidence: 99%

Distribution of Antibiotic Resistance Genes in Three Different Natural Water Bodies-A Lake, River and Sea

Su¹,

Li²,

Yang

et al. 2020

IJERPH

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Currently, due to abuse in the use of human antibiotics and the weak regulatory control that the authorities have over sewage discharge and manure management, antibiotic resistance genes (ARGs) have become a new type of environmental pollutant. Three different natural water bodies (Poyang Lake, Haihe River and Qingdao No.1 Bathing Beach seawater) were sampled during the same periods to conduct a longitudinal comparison of distribution. The distribution and expression of 11 ARGs in 20 species were studied, and the correlations between the expression and the distribution of time and space of the ARGs in different water bodies were also analyzed. With the exception of ermA, blaNDM-1 and vanA, which were not detected in seawater, the other ARGs could be detected in all three water bodies. Tetracycline resistance genes (tetC, tetM and tetQ) in the seawater and Haihe River had even reached 100%, and sulfa ARGs (sul1 and sul2) in the seawater and Poyang Lake, as well as sul2 and sul3 in the Haihe River, had also reached 100%. The ARG pollution in Haihe River was much more serious, since 14 and 17 of 20 ARG species were significantly higher compared with seawater and Poyang Lake, respectively. Some ARGs also had a high absolute abundance. The absolute abundance of macrolide resistance genes (ermB) in seawater was as high as 8.61 × 107 copies/L, and the anti-tuberculosis resistant genes (rpoB and katG) in the Haihe River Basin were highly abundant at 1.32 × 106 copies/L and 1.06 × 107 copies/L, respectively. This indicates that ARGs have gradually become more diverse and extensive in natural water bodies. The results of a redundancy analysis (RDA) of the three water bodies showed that although each water body is affected by different factors in space and time, overall, the presence of AGRs is closely related to the production and life of human beings and the migration of animals.

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“…qPCR allows the determination of ARG concentration (copy number). For example, it has been used for monitoring seasonal changes in ARG levels [47] to assess the risk of dispersion of livestock antibiotics in freshwater sources used for domestic purposes and in industrial WWTPs. In total, 11 ARGs were tested: tetA, tetX; sul1; ermB, ermC; qnrS, aac(6 )-lb-cr; floR (florfenicol); bla TEM , bla SHV ; and oqxA (multidrug).…”

Section: Genomics In Monitoring Of Cecs Threats To Freshwater Ecosystems and Analysis Of Cause-effect Relationships-assessment Approachmentioning

confidence: 99%

Molecular Methods as Potential Tools in Ecohydrological Studies on Emerging Contaminants in Freshwater Ecosystems

Mierzejewska

Urbaniak

2020

Water

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Contaminants of emerging concern (CECs) present a threat to the functioning of freshwater ecosystems. Their spread in the environment can affect both plant and animal health. Ecohydrology serves as a solution for assessment approaches (i.e., threat identification, ecotoxicological assessment, and cause–effect relationship analysis) and solution approaches (i.e., the elaboration of nature-based solutions: NBSs), mitigating the toxic effect of CECs. However, the wide array of potential molecular analyses are not fully exploited in ecohydrological research. Although the number of publications considering the application of molecular tools in freshwater studies has been steadily growing, no paper has reviewed the most prominent studies on the potential use of molecular technologies in ecohydrology. Therefore, the present article examines the role of molecular methods and novel omics technologies as essential tools in the ecohydrological approach to CECs management in freshwater ecosystems. It considers DNA, RNA and protein-level analyses intended to provide an overall view on the response of organisms to stress factors. This is compliant with the principles of ecohydrology, which emphasize the importance of multiple indicator measurements and correlation analysis in order to determine the effects of contaminants, their interaction with other environmental factors and their removal using NBS in freshwater ecosystems.

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Seasonal Changes in Antibiotic Resistance Genes in Rivers and Reservoirs in South Korea

Cited by 31 publications

References 66 publications

Microbial Water Quality: Monitoring and Modeling

Microbial Water Quality: Monitoring and Modeling

Distribution of Antibiotic Resistance Genes in Three Different Natural Water Bodies-A Lake, River and Sea

Molecular Methods as Potential Tools in Ecohydrological Studies on Emerging Contaminants in Freshwater Ecosystems

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