Antibiotic-resistant genes and antibiotic-resistant bacteria in the effluent of urban residential areas, hospitals, and a municipal wastewater treatment plant system

Li, Jianan, Cheng, Weixiao, Xu, Like, Strong, P. J. and Chen, Hong (2014) Antibiotic-resistant genes and antibiotic-resistant bacteria in the effluent of urban residential areas, hospitals, and a municipal wastewater treatment plant system. Environmental Science and Pollution Research, 22 6: 4587-4596. doi:10.1007/s11356-014-3665-2


Author Li, Jianan
Cheng, Weixiao
Xu, Like
Strong, P. J.
Chen, Hong
Title Antibiotic-resistant genes and antibiotic-resistant bacteria in the effluent of urban residential areas, hospitals, and a municipal wastewater treatment plant system
Journal name Environmental Science and Pollution Research   Check publisher's open access policy
ISSN 1614-7499
0944-1344
Publication date 2014-10-18
Year available 2014
Sub-type Article (original research)
DOI 10.1007/s11356-014-3665-2
Volume 22
Issue 6
Start page 4587
End page 4596
Total pages 10
Place of publication Heidelberg Germany
Publisher Springer
Collection year 2015
Language eng
Formatted abstract
In this study, we determined the abundance of 8 antibiotics (3 tetracyclines, 4 sulfonamides, and 1 trimethoprim), 12 antibiotic-resistant genes (10 tet, 2 sul), 4 antibiotic-resistant bacteria (tetracycline, sulfamethoxazole, and combined resistance), and class 1 integron integrase gene (intI1) in the effluent of residential areas, hospitals, and municipal wastewater treatment plant (WWTP) systems. The concentrations of total/individual targets (antibiotics, genes, and bacteria) varied remarkably among different samples, but the hospital samples generally had a lower abundance than the residential area samples. The WWTP demonstrated removal efficiencies of 50.8 % tetracyclines, 66.8 % sulfonamides, 0.5 logs to 2.5 logs tet genes, and less than 1 log of sul and intI1 genes, as well as 0.5 log to 1 log removal for target bacteria. Except for the total tetracycline concentration and the proportion of tetracycline-resistant bacteria (R 2 = 0.330, P < 0.05), there was no significant correlation between antibiotics and the corresponding resistant bacteria (P > 0.05). In contrast, various relationships were identified between antibiotics and antibiotic resistance genes (P < 0.05). Tet (A) and tet (B) displayed noticeable relationships with both tetracycline and combined antibiotic-resistant bacteria (P < 0.01).
Keyword Antibiotic resistance genes
Antibiotic-resistant bacteria
Wastewater treatment plant
Residential areas
Hospitals
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online ahead of print 18 Oct 2014

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
School of Chemical Engineering Publications
Official 2015 Collection
 
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