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Article

Persistence of Salmonella Typhimurium in Well Waters from a Rural Area of Changchun City, China

by 1,2, 1,2, 1,2 and 1,2,*
1
Key Laboratory of Ground Water Resource and Environment, Ministry of Education, Jilin University, Changchun 130021, China
2
College of Environmental and Resources, Jilin University, Changchun 130021, China
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2018, 15(6), 1090; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph15061090
Received: 31 March 2018 / Revised: 21 May 2018 / Accepted: 25 May 2018 / Published: 28 May 2018
(This article belongs to the Special Issue Microbiological Evaluation of Wastewater Treatment)
Salmonella-contaminated well water could cause major infection outbreaks worldwide, thus, it is crucial to understand their persistence in those waters. In this study, we investigated the persistence of Salmonella enterica serovar Typhimurium in 15 well waters from a rural area of Changchun City, China. Results illustrated that the time to reach detection limit (ttd), first decimal reduction time (δ), and the shape parameter (p) ranged from 15 to 80 days, from 5.6 to 66.9 days, and from 0.6 to 6.6, respectively. Principal component analysis showed that ttds of S. Typhimurium were positively correlated with total organic carbon, pH, NH4+–N, and total phosphate. Multiple stepwise regression analysis revealed that ttds could be best predicted by NH4+–N and pH. Canonical correspondence analysis and variation partition analysis revealed that NH4+–N and pH, and the rest of the water parameters, could explain 27.60% and 28.15% of overall variation of the survival behavior, respectively. In addition, ttds were found to be correlated (p < 0.01) with δ and p. Our results showed that the longer survival (>2.5 months) S. Typhimurium could constitute an increased health risk to the local communities, and provided insights into the close linkage between well water quality and survival of S. Typhimurium. View Full-Text
Keywords: Salmonella Typhimurium; persistence; well water; NH4+–N; pH Salmonella Typhimurium; persistence; well water; NH4+–N; pH
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MDPI and ACS Style

Li, J.; Ding, M.; Han, Z.; Ma, J. Persistence of Salmonella Typhimurium in Well Waters from a Rural Area of Changchun City, China. Int. J. Environ. Res. Public Health 2018, 15, 1090. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph15061090

AMA Style

Li J, Ding M, Han Z, Ma J. Persistence of Salmonella Typhimurium in Well Waters from a Rural Area of Changchun City, China. International Journal of Environmental Research and Public Health. 2018; 15(6):1090. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph15061090

Chicago/Turabian Style

Li, Jiahang, Meiyue Ding, Ziming Han, and Jincai Ma. 2018. "Persistence of Salmonella Typhimurium in Well Waters from a Rural Area of Changchun City, China" International Journal of Environmental Research and Public Health 15, no. 6: 1090. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph15061090

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