NDLI: Exposure of Escherichia coli O157:H7 to soil, manure, or water influences its survival on plants and initiation of plant defense response.

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Exposure of Escherichia coli O157:H7 to soil, manure, or water influences its survival on plants and initiation of plant defense response.

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Exposure of Escherichia coli O157:H7 to soil, manure, or water influences its survival on plants and initiation of plant defense response.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Seo, Seungwook Matthews, Karl R.
Description	Country affiliation: United States Author Affiliation: Seo S ( Department of Food Science, Rutgers University, New Brunswick, NJ 08901, United States.)
Abstract	This study evaluated whether growth medium or exposure conditions influence the production of capsular polysaccharides (CPS) by Escherichia coli O157:H7, and whether changes in CPS impact plant defense responses, consequently affecting survival on plants. E. coli O157:H7 grown in Luria-Bertani (LB) broth supplemented with manure extracts showed an approximately 58% increase in CPS production compared to cells grown in LB medium alone. Levels of CPS were significantly higher for E. coli O157:H7 cells exposed to soil or manure extracts as compared to the non-exposed LB cultured control. Arabidopsis thaliana plants expressing ß-glucuronidase (GUS) under the control of the ß-1,3-glucanase (BGL2) promoter were used to investigate whether E. coli O157:H7 induces defense-related gene expression. Plants inoculated with E. coli O157:H7 grown in LB containing manure extracts or cells exposed to manure extracts exhibited 3-fold and 2-fold lower GUS activity, respectively, suggesting a limited plant defense response compared to plants inoculated with cells grown in LB. On day 5 post inoculation the population of E. coli O157:H7 grown in LB supplemented with manure on plants was significantly greater than the population of E. coli O157:H7 grown in LB medium alone. E. coli O157:H7 cells exposed to soil or manure exhibited greater survival on plants compared to LB-grown E. coli O157:H7. The results of this study underscore the need to consider medium composition and cultural conditions when conducting crop challenge studies.
File Format	HTM / HTML
ISSN	07400020
Volume Number	38
e-ISSN	10959998
Journal	Food Microbiology
Language	English
Publisher	Elsevier
Publisher Date	2014-04-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Microbiology Discipline Nutritional Sciences Arabidopsis Immunology Microbiology Escherichia Coli O157 Growth & Development Manure Analysis Soil Chemistry Genetics Arabidopsis Proteins Bacterial Capsules Metabolism Microbial Viability Soil Microbiology Water Journal Article
Content Type	Text
Resource Type	Article
Subject	Microbiology Food Science

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Survival mechanism of Escherichia coli O157:H7 against combined treatment with acetic acid and sodium chloride.

Presence and survival of Escherichia coli O157:H7 on lettuce leaves and in soil treated with contaminated compost and irrigation water.

Survival of Escherichia coli O26:H11 exceeds that of Escherichia coli O157:H7 as assessed by simulated human digestion of contaminated raw milk cheeses.

The effect of the native bacterial community structure on the predictability of E. coli O157:H7 survival in manure-amended soil.

Growth and Extended Survival of Escherichia coli O157:H7 in Soil Organic Matter

Fate of Escherichia coli O157:H7 and Salmonella from contaminated manure slurry applied to soil surrounding tall fescue.

Inactivation of Escherichia coli O157:H7 on stainless steel upon exposure to Paenibacillus polymyxa biofilms.

Use of a bacteriophage to inactivate Escherichia coli O157:H7 on beef.

Survival of Escherichia coli O157:H7 in various soil particles: importance of the attached bacterial phenotype

Exposure of Escherichia coli O157:H7 to soil, manure, or water influences its survival on plants and initiation of plant defense response.

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Survival mechanism of Escherichia coli O157:H7 against combined treatment with acetic acid and sodium chloride.

Presence and survival of Escherichia coli O157:H7 on lettuce leaves and in soil treated with contaminated compost and irrigation water.

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Survival of Escherichia coli O157:H7 in various soil particles: importance of the attached bacterial phenotype

Exposure of Escherichia coli O157:H7 to soil, manure, or water influences its survival on plants and initiation of plant defense response.