Escherichia coli O157:H7
Research publications on Escherichia coli O157:H7 from peer-reviewed journals. Some publications may be early view or ahead of print. Citations and abstracts are available to all users while full-text availability depends on institutional access levels.
This information does not constitute or imply the endorsement, recommendation or favoring by the United States Department of Agriculture or any U.S. governmental agency. See Policies and Disclaimers.Journal of Food ScienceRaw whole strawberriesif contaminated with pathogens, such as Escherichia coli O157:H7, must be pasteurized prior to consumption. Therefore, the objective of this research was to investigate the thermal inactivation kinetics of E. coli O157:H7 in strawberry puree (SP), and evaluate the changes in anthocyanins and color, and the...International Journal of Food MicrobiologyAvailable online 7 December 2013 Author(s): Dumitru Macarisin , Jitendra Patel , Vijay K. Sharma Contamination of fresh produce could represent a public health concern because no terminal kill step is applied during harvest or at the processing facility to kill pathogens. In addition, once contaminated, pathogens...International Journal of Food MicrobiologyAvailable online 4 December 2013 Author(s): Stéphane D. Miszczycha , Jonathan Thévenot , Sylvain Denis , Cécile Callon , Valérie Livrelli , Monique Alric , Marie-Christine Montel , Stéphanie Blanquet-Diot , Delphine Thevenot-Sergentet Shiga toxin producing Escherichia coli (STEC) are an important cause of human...Food ControlPublication date: May 2014 , Volume 39 Author(s): S.A. Kim , H.J. Park , S.H. Lee , I.G. Hwang , M.S. Rhee The objective of this study was to examine the fate of foodborne pathogens (Bacillus cereus, Escherichia coli O157:H7, Listeria monocytogenes, Salmonella Typhimurium, and Staphylococcus aureus) and B. cereus spores in Korean turbid rice...Food ControlPublication date: May 2014 , Volume 39 Author(s): Joshua A. Scheinberg , Amanda L. Svoboda , Catherine N. Cutter Beef jerky is a convenient, ready-to-eat meat product, but requires processing lethality steps to ensure the safety of the product. Previous outbreaks involving various jerky products have highlighted the risks associated with jerky...Food ControlPublication date: May 2014 , Volume 39 Author(s): O. Modesto Olanya , Dike O. Ukuku , Brendan A. Niemira Assessment of microbial interactions is crucial for documenting bacterial growth in pure and mixed cultures and their potential for biological applications. Pseudomonas fluorescens (non-plant pathogenic and non-pectinolytic) has been used...Journal of Applied MicrobiologyAims Microbial exopolymer with antimicrobial properties, in particular, has gathered considerable interest due to their enormous scope of modification and wide gamut of application. The purpose of present study was to evaluate the antibacterial spectrum of a chemically modified biopolymeric flocculant produced by Klebsiella...International Journal of Food MicrobiologyAvailable online 22 November 2013 Author(s): Won-Jae Song , Hye-Jung Sung , Sung-Youn Kim , Kwang-Pyo Kim , Sangryeol Ryu , Dong-Hyun Kang This study evaluated the efficacy of gamma irradiation to inactivate foodborne pathogens in black pepper (Piper nigrum) and red pepper (dried Capsicum annuum). Black and red...International Journal of Food MicrobiologyAvailable online 18 November 2013 Author(s): Nancy T. Liu , Xiangwu Nou , Alan M. Lefcourt , Daniel R. Shelton , Y. Martin Lo Biofilm formation is a mechanism adapted by many microorganisms that enhances the survival in stressful environments. In food processing facilities, foodborne bacterial pathogens, which...Journal of Clinical MicrobiologyThe current pathogen-typing methods have suboptimal sensitivities and specificities. DNA sequencing offers an opportunity to type pathogens with greater degrees of discrimination using single nucleotide polymorphisms (SNPs) than with pulsed-field gel electrophoresis (PFGE) and other methodologies. In a recent cluster of...Journal of Food ProtectionDavidson, Gordon R. et al...International Journal of Food MicrobiologyAvailable online 10 November 2013 Author(s): Hye-Jung Sung , Won-Jae Song , Kwang-Pyo Kim , Sangryeol Ryu , Dong-Hyun Kang We investigated the combination effect of ozone and heat treatment in apple juice for inactivation of Escherichia coli O157:H7, Salmonella Typhimurium, and Listeria monocytogenes. Apple juices...Food ControlPublication date: April 2014 , Volume 38 Author(s): Alonzo A. Gabriel , Jennifer Karen F. Pineda This study determined the influences of supplementing different combinations of vanillin (0–500 ppm) and licorice root extract (LRE, 0–420 ppm) on the mild heat (55 °C) decimal reduction times (D 55-values) of a cocktail of Escherichia coli O157:H7...Meat SciencePublication date: February 2014 , Volume 96, Issue 2, Part A Author(s): Rubén Gordillo , Alicia Rodríguez , María L. Werning , Elena Bermúdez , Mar Rodríguez Rapid and specific detection of viable Escherichia coli O157:H7 cells in ready-to-eat (RTE) meat products, by duplex quantitative PCR (qPCR) procedures with mRNA and SYBR Green and TaqMan...International Journal of Food MicrobiologyAvailable online 6 November 2013 Author(s): Yarui Liu , Azlin Mustapha Escherichia coli O157:H7 associated with food has caused many serious public health problems in recent years. However, only viable cells of this pathogen can cause infections, and false-positive detection caused by dead cells can lead to...Applied and Environmental MicrobiologyThe effect of electric field-induced ohmic heating for inactivation of Escherichia coli O157:H7, Salmonella enterica serovar Typhimurium, and Listeria monocytogenes in buffered peptone water (BPW) (pH 7.2) and apple juice (pH 3.5; 11.8 °Brix) was investigated in this study. BPW and apple juice were treated at...International Journal of Food MicrobiologyAvailable online 29 October 2013 Author(s): Alicia Subires , Josep Yuste , Marta Capellas Over the past years, products of non-animal origin have been increasingly linked to foodborne diseases caused by the enterohemorrhagic pathogen Escherichia coli O157:H7. Contaminated fresh produce and derived ready-to-eat...International Journal of Food MicrobiologyAvailable online 29 October 2013 Author(s): Ashraf M. Ahmed , Tadashi Shimamoto Foodborne pathogens are a major threat to food safety, especially in developing countries where hygiene and sanitation facilities are often poor. Salmonella enterica, Escherichia coli O157:H7 and Shigella spp. are among the major...Foodborne Pathogens and DiseaseOnline Ahead of Print...Food MicrobiologyPublication date: April 2014 , Volume 38 Author(s): Dong Chen , Tong Zhao , Michael P. Doyle This study investigated the degree of cross-contamination between deli foods and slicers by Listeria monocytogenes, Salmonella, and Escherichia coli O157:H7, and their inactivation by levulinic acid (LA) plus sodium dodecyl sulfate (SDS) on...International Journal of Medical MicrobiologyAvailable online 24 October 2013 Author(s): Simone Nübling , Thomas Eisele , Helen Stöber , Joschua Funk , Sabrina Polzin , Lutz Fischer , Herbert Schmidt In this study, the 1938bp open reading frame z1466, which is encoded directly downstream the Shiga toxin 2a (Stx2a) operon in E. coli O157:H7 phage 933W was...Journal of Applied MicrobiologyAims Three soils that varied in their physicochemical characteristics and microbial diversity were inoculated with Escherichia coli O157:H7 and Salmonella to determine the relative impact of abiotic and biotic factors on the pathogens’ survival when the soil was held at 25°C. Methods and Results Three soils that were...Food ControlPublication date: March 2014 , Volume 37 Author(s): Hongshun Yang , Daniel Hewes , Serajus Salaheen , Cassandra Federman , Debabrata Biswas Berries such as blueberry, blackberry and raspberry possess several biological activities including antimicrobial and nutritional effects. In this study, the antimicrobial activities of blackberry (Rubus...Food MicrobiologyPublication date: April 2014 , Volume 38 Author(s): Thelma F. Cálix-Lara , Mahitha Rajendran , Stephen T. Talcott , Stephen B. Smith , Rhonda K. Miller , Alejandro Castillo , Joseph M. Sturino , T. Matthew Taylor The microbiological safety of fresh produce is of concern for the U.S. food supply. Members of the Lactic Acid Bacteria (LAB)...Applied and Environmental MicrobiologyEscherichia coli O157:H7 is a zoonotic human pathogen for which cattle are an important reservoir host. Using both previously published and new sequencing data, a 48-locus single nucleotide polymorphism (SNP)-based typing panel was developed that redundantly identified 11 genogroups that span six of the eight lineages...Journal of Applied MicrobiologyAims To determine the magnitude of microbial risks from waterborne viruses and bacteria in Bwaise III in Kampala (Uganda), a typical slum in Sub-Saharan Africa. Methods and results A quantitative microbial risk assessment (QMRA) was carried out to determine the magnitude of microbial risks from waterborne pathogens through...Journal of Food ProtectionChancey, C. C. et al...Foodborne Pathogens and DiseaseOnline Ahead of Print...Applied and Environmental MicrobiologyThis study was conducted to investigate the efficacy of the simultaneous application of near-infrared (NIR) heating and UV irradiation for reducing populations of food-borne pathogens, including Salmonella enterica serovar Typhimurium and Escherichia coli O157:H7 in red pepper powder and to clarify the mechanisms of...Applied and Environmental MicrobiologyThe aim of this study was to examine the synergistic bactericidal effects of medium-chain fatty acids (MCFAs; caprylic, capric, and lauric acid) and organic acids (OAs; acetic, lactic, malic, and citric acid) against Escherichia coli O157:H7 and to identify their underlying mechanism(s) of action. E. coli O157:H7 was...Food ControlPublication date: March 2014 , Volume 37 Author(s): Satoko Miya , Hajime Takahashi , Miho Hashimoto , Moemi Nakazawa , Takashi Kuda , Hiroaki Koiso , Bon Kimura Escherichia coli O157:H7 and Salmonella spp. often contaminate fresh beef. In Japan, an E coli outbreak caused by raw beef made 181 people ill and 5 individuals dead in 2011....Food ControlPublication date: March 2014 , Volume 37 Author(s): Qirong Xiong , Xi Cui , Jasdeep K. Saini , Daofeng Liu , Shan Shan , Yong Jin , Weihua Lai Immunomagnetic separation uses antibody-coated paramagnetic particles to selectively bind and purify the target organisms from a comprehensive range of complex food matrices. Aim of this study was to...Critical Reviews in MicrobiologyPage 1-22, Early Online...Food ControlPublication date: March 2014 , Volume 37 Author(s): Alonzo A. Gabriel , Romelia U. Arellano The study established the decimal reduction times at 55 °C (D 55 °C values) of acid-adapted and non-adapted Escherichia coli O157:H7, Salmonella enterica, and Listeria monocytogenes in young coconut liquid endosperm. Acid adaptation of the test...Applied and Environmental MicrobiologyRecent outbreaks of food-borne illness associated with the consumption of produce have increased concern over wildlife reservoirs of food-borne pathogens. Wild rodents are ubiquitous, and those living close to agricultural farms may pose a food safety risk should they shed zoonotic microorganisms in their feces near...Food MicrobiologyPublication date: April 2014 , Volume 38 Author(s): Seungwook Seo , Karl R. Matthews 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...Journal of Food ProtectionJensen, Dane A. et al...Food Analytical MethodsDNA microarrays are promising high-throughput tools for multiple pathogen detection. Currently, the performance and cost of this platform has limited its broad application in identifying microbial contaminants in foods. In this study, an optimized custom DNA microarray with flexibility in design and content for foodborne pathogen...Journal of Food ScienceNanoemulsions containing lemongrass oilLO) were developed for coating plums and the effects of the nanoemulsion coatings on the microbial safety and physicochemical storage qualities of plums during storage at 4 and 25 °C were investigated. The emulsions used for coating were produced by mixing a carnauba wax-based solution (18%, w/...Journal of Food ScienceGround deodorized yellow mustard is used as a binder and meat protein substitute in cooked processed meat productsRecent studies have shown that it has the potential to be used in uncooked processed meat products because of its natural antimicrobial properties. In the present study, ground deodorized yellow mustard was added to...PLoS OneSteve Hamner, Kate McInnerney, Kerry Williamson, Michael J. Franklin, Timothy E. Ford Bile salts exhibit potent antibacterial properties, acting as detergents to disrupt cell membranes and as DNA-damaging agents. Although bacteria inhabiting the intestinal tract are able to resist bile’s antimicrobial effects, relatively little is known about how...International Journal of Food Science and TechnologyHere, we evaluated the impact of bacterial growth stage on the effect of chitosan-arginine (Ch-arg) on Escherichia coli O157:H7 cell numbers and metabolic activity within contaminated beef juice held at room temperature. Using a lux-marked metabolic reporter strain of E. coli O157:H7, the results showed...Food ControlPublication date: February 2014 , Volume 36, Issue 1 Author(s): Lijun Wang , Ping Li , Zhihong Zhang , Qi Chen , Zoraida P. Aguilar , Hengyi Xu , Lin Yang , Feng Xu , Weihua Lai , Yonghua Xiong , Hua Wei To improve the accuracy of current methods for the detection of Escherichia coli O157:H7 foodborne disease outbreaks, two reagents, propidium...Food MicrobiologyPublication date: April 2014 , Volume 38 Author(s): Michelle D. Danyluk , Loretta M. Friedrich , Donald W. Schaffner A recent outbreak linked to whole cantaloupes underscores the importance of understanding growth kinetics of Listeria monocytogenes in cut melons at different temperatures. Whole cantaloupe, watermelon, and honeydew...Food MicrobiologyPublication date: December 2013 , Volume 36, Issue 2 Author(s): Shan Yu Neo , Pei Yan Lim , Li Kai Phua , Gek Hoon Khoo , Su-Jung Kim , Seung-Cheol Lee , Hyun-Gyun Yuk Sprouts-related outbreaks have risen due to increased raw sprouts consumption. To minimize such cases, chemical sanitations are applied. While chlorine is commonly used,...Journal of BacteriologyEthanolamine (EA) metabolism is a trait associated with enteric pathogens, including enterohemorrhagic Escherichia coli (EHEC) O157:H7. EHEC causes severe bloody diarrhea and hemolytic uremic syndrome. EHEC encodes the ethanolamine utilization (eut) operon that allows EHEC to metabolize EA and gain a competitive advantage when...Journal of Infectious DiseasesEscherichia coli O157:H7-associated hemolytic-uremic syndrome (HUS) is characterized by profound prothrombotic abnormalities. Endothelial dysfunction, manifested as dysregulation of angiopoietins 1 and 2 (Ang-1/2), could underlie HUS pathophysiology. We measured Ang-1/2 in 77 children with E. coli O157:H7 infection. Ang-1,...Journal of Food ScienceThis study investigated the efficacy of 3 GRAS-statusplant-derived antimicrobials (PDAs), trans-cinnamaldehyde (TC), carvacrol (CR), and β-resorcylic acid (BR) applied as an antimicrobial wash for killing Escherichia coli O157:H7 on apples. “Red delicious” apples inoculated with a 5 strain mixture of E. coli O157:H7 were subjected...International Journal of Food MicrobiologyAvailable online 18 August 2013 Author(s): Yoon-Hee Kim , Seul-Gi Jeong , Kyeong-Hwan Back , Ki-Hwan Park , Myung-Sub Chung , Dong-Hyun Kang The effect of various conditions on inactivation of foodborne pathogens and quality of fresh-cut lettuce during ultraviolet (254nm, UVC) radiation was investigated. Lettuce...Journal of Clinical MicrobiologyAcute diarrheal disease (ADD) can be caused by a range of pathogens, including bacteria, viruses, and parasites. Conventional diagnostic methods, such as culture, microscopy, biochemical assays, and enzyme-linked immunosorbent assays (ELISA), are laborious and time-consuming and lack sensitivity. Combined, the array of...