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DOI10.1111/lam.12272
Comparing temperature effects on Escherichia coli, Salmonella, and Enterococcus survival in surface waters
Pachepsky, Y. A.1; Blaustein, R. A.1; Whelan, G.2; Shelton, D. R.1
发表日期2014-09-01
ISSN0266-8254
卷号59期号:3页码:278-283
英文摘要

The objective of this study was to compare dependency of survival rates on temperature for indicator organisms Escherichia coli and Enterococcus and the pathogen Salmonella in surface waters. A database of 86 survival datasets from peer-reviewed papers on inactivation of E. coli, Salmonella and Enterococcus in marine waters and of E. coli and Salmonella in lake waters was assembled. The Q(10) model was used to express temperature effect on survival rates obtained from linear sections of semi-logarithmic survival graphs. Available data were insufficient to establish differences in survival rates and temperature dependencies for marine waters where values of Q(10) = 3 and a survival rate of 0.7 day(-1) could be applied. The Q(10) values in lake waters were substantially lower in marine waters, and Salmonella inactivation in lake water was, on average, twice as fast as E. coli; data on E. coli substantially outnumber data on Enterococcus and Salmonella. The relative increase in inactivation with increase in temperature is higher in marine waters than lake water, and differences in inactivation between Salmonella and E. coli at a given temperature were significant in lake water but not in marine waters.


英文关键词Escherichia coli (all potentially pathogenic types);indicators;processes;Salmonella;thermal;water quality
语种英语
WOS记录号WOS:000340684400004
来源期刊LETTERS IN APPLIED MICROBIOLOGY
来源机构美国环保署
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/57823
作者单位1.ARS, USDA, Environm Microbial & Food Safety Lab, Beltsville Agr Res Ctr, Beltsville, MD USA;
2.US EPA, Natl Exposure Res Lab, Ecosyst Res Div, Athens, GA USA
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Pachepsky, Y. A.,Blaustein, R. A.,Whelan, G.,et al. Comparing temperature effects on Escherichia coli, Salmonella, and Enterococcus survival in surface waters[J]. 美国环保署,2014,59(3):278-283.
APA Pachepsky, Y. A.,Blaustein, R. A.,Whelan, G.,&Shelton, D. R..(2014).Comparing temperature effects on Escherichia coli, Salmonella, and Enterococcus survival in surface waters.LETTERS IN APPLIED MICROBIOLOGY,59(3),278-283.
MLA Pachepsky, Y. A.,et al."Comparing temperature effects on Escherichia coli, Salmonella, and Enterococcus survival in surface waters".LETTERS IN APPLIED MICROBIOLOGY 59.3(2014):278-283.
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