413-5 Macrolide and Tetracycline Resistance Genes in Tile-Drainage and Stream Water in an Agricultural Watershed.

Poster Number 406

See more from this Division: ASA Section: Environmental Quality
See more from this Session: Agronomic Practices: Influence on Environmental Quality: II

Wednesday, November 18, 2015
Minneapolis Convention Center, Exhibit Hall BC

Thomas B. Moorman, National Laboratory for Agriculture and the Environment, USDA-ARS, Ames, IA, Michelle L. Soupir, Agricultural and Biosystems Engineering, Iowa State University, Ames, IA and Bailey A Sullivan, Agriculture and Biosystems Engineering, Iowa State Univerity, Ames, IA
Abstract:
The contribution of antibiotic use in agriculture to the emergence of antibiotic-resistant pathogens affecting human health is currently controversial. Previous studies have shown that manure contains high concentrations of these genes. The transport and fate of genes coding for antibiotic resistance in streams has been less frequently investigated.  We used qPCR to measure the occurrence of genes coding for resistance to macrolide and tetracycline antibiotics in water from the South Fork of the Iowa River. Concentrations generally ranged from non-detectable to greater than 1000 copies/mL of river water.

See more from this Division: ASA Section: Environmental Quality
See more from this Session: Agronomic Practices: Influence on Environmental Quality: II