Cited by 57Pharmaceutical and Antibiotic Environmental ImpactsWastewater Treatment and Nitrogen RemovalPesticide and Herbicide Environmental Studies

Inhibitory effect of veterinary antibiotics on denitrification in groundwater: a microcosm approach

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Ahmad, Mahtab, Vithanage, Meththika, Kim, Kangjoo, Cho, Ju-Sik, Lee, Young Han, Joo, Young Kyoo, Lee, Sang Soo, Ok, Yong Sik·2014·The Scientific World JOURNAL

Abstract

Veterinary antibiotics in groundwater may affect natural microbial denitrification process. A microcosm study was conducted to evaluate the influence of sulfamethazine and chlortetracycline at different concentrations (0, 0.01, 0.1, and 1.0 mg/L) on nitrate reduction in groundwater under denitrifying condition. Decrease in nitrate removal and nitrite production was observed with the antibiotics. Maximum inhibition of nitrate removal was observed after seven days of incubation with 0.01 mg/L sulfamethazine (17.0%) and 1.0 mg/L chlortetracycline (15.4%). The nitrite production was inhibited with 1.0 mg/L sulfamethazine to 82.0% and chlortetracycline to 31.1%. The initial/final nitrate concentrations indicated that 0.01 mg/L sulfamethazine and 1.0 mg/L chlortetracycline were most effective in inhibiting activity of denitrifying bacteria in groundwater. After 12 days of incubation, the sulfamethazine biodegradation was observed whereas chlortetracycline was persistent. Sulfamethazine and chlortetracycline in groundwater could inhibit the growth and capability of naturally occurring denitrifying bacteria, thereby threatening nitrate pollution in groundwater.

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Authors
Ahmad, M., Vithanage, M., Kim, K., Cho, J.-S., Lee, Y. H., Joo, Y. K., Lee, S. S., & Ok, Y. S.
Affiliations
  • Kangwon National University (KR)
  • Kunsan National University (KR)
  • Sunchon National University (KR)
  • Gyeongsangnam-do Agricultural Research and Extension Services (KR)
  • Yonsei University (KR)
Corresponding author
  • Lee, Sang Soo
  • Ok, Yong Sik
Venue
The Scientific World JOURNAL
Publisher
Wiley
Published
2014
Volume
2014
Pages
1-7
ISSN
  • 1537-744X (ISSN-L)
  • 2356-6140
OpenAlex
W1980960106
Cited by
57
References
27
Citations by year
2026: 2 · 2025: 1 · 2024: 5 · 2023: 4 · 2022: 5 · 2021: 10 · 2020: 7 · 2019: 6 · 2018: 6 · 2017: 3 · 2016: 4 · 2015: 4
FWCI
2.58
Type
journal article
Language
en
Open access
Locations
  • The Scientific World JOURNAL (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Greater South Information System
Funders
  • Kangwon National University
  • Ministry of Environment
  • Korea Basic Science Institute
Topics
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
  • Physical Sciences › Environmental Science › Pollution › Wastewater Treatment and Nitrogen Removal
  • Physical Sciences › Environmental Science › Pollution › Pesticide and Herbicide Environmental Studies
Keywords
veterinary antibiotics, sulfamethazine, chlortetracycline, denitrification inhibition, groundwater nitrate removal, nitrite production, denitrifying bacteria, antibiotic biodegradation, antibiotic persistence, groundwater nitrate contamination
MeSH terms
Animals, Anti-Bacterial Agents, Biodegradation, Environmental, Humans, Nitrates, Nitrites, Oxidation-Reduction, Water Pollutants, Chemical, Denitrification, Groundwater

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