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- Title
Monitoring Antibiotic Residues and Corresponding Antibiotic Resistance Genes in an Agroecosystem.
- Authors
Awad, Yasser M.; Kim, Kwon Rae; Kim, Sung-Chul; Kim, Kangjoo; Lee, Sang Ryong; Lee, Sang Soo; Ok, Yong Sik
- Abstract
Antibiotic resistance genes (ARGs) have been commonly reported due to the overuse worldwide of antibiotics. Antibiotic overuse disturbs the environment and threatens public human health. The objective of this study was to measure the residual concentrations of veterinary antibiotics in the tetracycline group (TCs), including tetracycline (TC) and chlortetracycline (CTC), as well as those in the sulfonamide group (SAs), including sulfamethazine (SMT), sulfamethoxazole (SMX), and sulfathiazole (STZ). We also isolated the corresponding ARGs in the agroecosystem. Four sediment samples and two rice paddy soil samples were collected from sites near a swine composting facility along the Naerincheon River in Hongcheon, Korea. High performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) was employed with a solid-phase extraction method to measure the concentration of each antibiotic. ARGs were identified by the qualitative polymerase chain-reaction using synthetic primers. SAs and their corresponding ARGs were highly detected in sediment samples whereas TCs were not detected except for sediments sample #1. ARGs for TCs and SAs were detected in rice paddy soils, while ARGs for TCs were only found in sediment #2 and #4. Continuous monitoring of antibiotic residue and its comprehensive impact on the environment is needed to ensure environmental health.
- Subjects
ANTIBIOTIC residues; AGRICULTURAL ecology; DRUG resistance; SULFAMETHOXAZOLE; SULFATHIAZOLES; PUBLIC health
- Publication
Journal of Chemistry, 2015, Vol 2015, p1
- ISSN
2090-9063
- Publication type
Article
- DOI
10.1155/2015/974843