Clay mineral type effect on bacterial enteropathogen survival in soil

被引：45

作者：

Brennan, Fiona P. ^{[1
,2
]}

Moynihan, Emma ^{[1
]}

Griffiths, Bryan S. ^{[1
,3
]}

Hillier, Stephen ^{[2
,4
]}

Owen, Jason ^{[2
]}

Pendlowski, Helen ^{[2
]}

Avery, Lisa M. ^{[2
]}

机构：

[1] Teagasc Environm Res Ctr, Johnstown Castle, Wexford, Ireland

[2] James Hutton Inst, Aberdeen AB158 2H, Scotland

[3] SRUC, Crop & Soil Syst Res Grp, Edinburgh EH9 3JG, Midlothian, Scotland

[4] Swedish Univ Agr Sci SLU, Dept Soil & Environm, SE-75007 Uppsala, Sweden

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2014年 / 468卷

基金：

爱尔兰科学基金会;

关键词：

Clay mineral; Pathogen survival; Salmonella; Listeria; Escherichia coli; PATHOGENIC MICROORGANISMS; ESCHERICHIA-COLI; TRANSPORT;

D O I：

10.1016/j.scitotenv.2013.08.037

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Enteropathogens released into the environment can represent a serious risk to public health. Soil clay content has long been known to have an important effect on enteropathogen survival in soil, generally enhancing survival. However, clay mineral composition in soils varies, and different clay minerals have specific physiochemical properties that would be expected to impact differentially on survival. This work investigated the effect of clay materials, with a predominance of a particular mineral type (montmorillonite, kaolinite, or illite), on the survival in soil microcosms over 96 days of Listeria monocytogenes, Salmonella Dublin, and Escherichia coli O157. Clay mineral addition was found to alter a number of physicochemical parameters in soil, including cation exchange capacity and surface area, and this was specific to the mineral type. Clay mineral addition enhanced enteropathogen survival in soil. The type of clay mineral was found to differentially affect enteropathogen survival and the effect was enteropathogen-specific. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：302 / 305

页数：4

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