Tetracycline As a Selector for Resistant Bacteria in Activated Sludge.
From: Department of Civil, Structural, and Environmental Engineering, 212 Ketter Hall, University at Buffalo, The State University of New York, Buffalo, NY 14260, United States. sungpyo.kim@gmail.com
Chemosphere
- Publish Date: Jan 2007
- ISSN: 0045-6535
- Volume: 66
- Issue: 9
- Pages: 1643-51
- Medium: Print
- Language: English
- Citation (JAMA): Kim Sungpyo, Jensen James N, Aga Diana S, et al. Tetracycline As a Selector for Resistant Bacteria in Activated Sludge.. Chemosphere Jan 2007;66:1643-51
Abstract
Tetracycline, one of the most widely used antibiotics, is excreted into wastewater after consumption by humans and animals. The focus of this research was to evaluate the fate of tetracycline resistant bacteria in the activated sludge process as a function of tetracycline loading. The studies were conducted with aerobic biological sequencing batch reactors (SBRs). When comparing 250 microgl(-1) tetracycline fed SBRs with parallel SBRs having a background influent wastewater tetracycline concentration of approximately 1 microgl(-1), tetracycline fed reactors were found to have increased concentrations and production rates of tetracycline resistant bacteria, higher net growth rates of resistant bacteria, and higher percentages of tetracycline resistant bacteria, which were amplified by increase in organic loading and growth rates.
Mesh Headings (Keywords): Bacteria, Drug Resistance, Bacterial, Enzyme-Linked Immunosorbent Assay, New York, Sewage, Tetracycline, Waste Disposal, Fluid, Water Pollutants, Chemical
Check for Full Text / PubMed Unique Identifier (PMID): 16959296
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