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Occurrence and distribution of antibiotic resistance genes in water supply reservoirs in Jingjinji area, China



Occurrence and distribution of antibiotic resistance genes in water supply reservoirs in Jingjinji area, China



Ecotoxicology 26(9): 1284-1292



Jingjinji area occupies important position in developing of the Chinese economy, while there exists a sharp conflict between economic growth and limited water resources in this area. To ensure the safety of water consumption of cities in Jingjinji area, we investigated the abundance of three classes of antibiotic resistance genes (ARGs) in water and sediment of six water supply reservoirs in this area. The results showed that the detection frequency of sul1, tetM and ermB were 100%. However, the content ranges of these genes were different (10-5 to 10-2/16S gene copies for sul1, 10-5 to 10-3/16S gene copies for ermB, and 10-5 to 10-3/16S gene copies for tetM). The content of ribosome protection proteins (RPP) genes were the highest in all selected tet genes. The highest abundance of ARGs in water and sediment samples was sampled from Panjiakou reservoir and Guanting reservoir, respectively. Except COD, chla and tetM, there are no significant correlation between water quality parameters and ARGs. Overall, this study provides integrated profiles of the three types of ARGs in water supply reservoirs of Jingjinji area and thus helps to re-evaluate the effects of human activities to water supply reservoirs.

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Accession: 060037683

Download citation: RISBibTeXText

PMID: 28900741

DOI: 10.1007/s10646-017-1853-9


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