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Foodborne Pathogens and Disease

Rose M Collis, Sara A Burgess, Patrick J Biggs, Anne C Midwinter, Nigel P French, Leah Toombs-Ruane, Adrian L Cookson
Antimicrobial resistance (AMR) is a global issue for both human and animal health. Infections caused by antimicrobial-resistant bacteria present treatment option challenges and are often associated with heightened severity of infection. Antimicrobial use (AMU) in human and animal health is a main driver for the development of antimicrobial-resistant bacteria. Increasing levels of AMU and the development and spread of AMR in food-producing animals, especially in poultry and swine production, has been identified as a food safety risk, but dairy production systems have been less studied...
November 10, 2018: Foodborne Pathogens and Disease
Jacek Sroka, Ewa Bilska-Zając, Angelina Wójcik-Fatla, Violetta Zając, Jacek Dutkiewicz, Jacek Karamon, Weronika Piotrowska, Tomasz Cencek
Raw and undercooked meat are regarded as important sources of Toxoplasma gondii infection of people in Europe; however, data concerning this issue in Poland are still insufficient. The aim of this study was to determine the prevalence of T. gondii DNA isolated from raw meat products retailed in Poland. The molecular characteristics of detected DNA were also performed. Samples of cured bacon, raw or smoked sausages, ham, and minced meat were examined for the presence of T. gondii DNA. Samples were digested by pepsin solution, followed by the DNA isolation...
November 8, 2018: Foodborne Pathogens and Disease
Lakshmikantha H Channaiah, Minto Michael, Jennifer Acuff, Keyla Lopez, Daniel Vega, George Milliken, Harshavardhan Thippareddi, Randall Phebus
This study validated a typical commercial donut frying process as an effective kill-step against a 7-serovar Salmonella cocktail (Newport, Typhimurium, Senftenberg, Tennessee, and three dry food isolates) when contamination was introduced through inoculated flour. The bread and pastry flour mix (3:1) was inoculated with the Salmonella cocktail, and subsequently dried back to original preinoculation moisture content, achieving a Salmonella population of 7.6 log CFU/g. Inoculated flour was used to prepare a typical commercial donut batter, which was fried using 375°F (190...
November 8, 2018: Foodborne Pathogens and Disease
Margarita Terentjeva, Madara Streikiša, Jeļena Avsejenko, Jūlija Trofimova, Kaspars Kovaļenko, Didzis Elferts, Aivars Bērziņš
The aim of the present study was to detect the prevalence and antimicrobial resistance of fecal indicators and major foodborne pathogens in feces of calves and to identify the factors associated with increased prevalence of resistant bacteria on farms. Altogether, 180 rectal swabs were collected from 18 farms in Latvia. Samples were investigated to detect the prevalence and antimicrobial resistance of Escherichia coli, Enterococcus spp., Listeria monocytogenes, Yersinia enterocolitica, Salmonella spp., Staphylococcus aureus, and Campylobacter spp...
November 7, 2018: Foodborne Pathogens and Disease
Bin-Ze Gui, Wen-Bin Zheng, Yang Zou, Qiu-Yan Lv, Meng-Ting Liu, Fen Li, An-Wen Yuan, Run-Cheng Li, Guo-Hua Liu
Toxoplasma gondii is one of the most important sources of foodborne diseases. In this study, the molecular prevalence and genotypes of T. gondii were investigated in pigs in Hunan province, China. A total of 339 brain tissue samples of pigs were collected from April 2015 to December 2017 in Hunan province and were used to detect the T. gondii B1 gene. Of these, 34 (10%; 95% confidence interval: 8.7-12.6) samples were tested positive for the T. gondii B1 gene. Positive samples were genotyped at 10 genetic markers (SAG1, SAG2 [5' + 3' SAG2, alter...
November 3, 2018: Foodborne Pathogens and Disease
Cailin Dawley, Kristen E Gibson
Human enteric viruses, specifically human norovirus (hNoV), are the most common cause of foodborne illness boasting a wide range of transmission routes. These include person to person, contact with contaminated fomites, as well as ingestion of contaminated water and food. Because of this, the control and prevention of enteric viruses in food and other relevant environments have been a research focus over the past few decades. Interestingly, viruses as well as many other pathogens are often studied in isolation even though it is known that microorganisms do not occur in isolation but rather as part of complex microbial communities-both external from the host and within the host...
November 3, 2018: Foodborne Pathogens and Disease
María Jimena Marfil, Pablo Sebastián Huertas, Sergio Gabriel Garbaccio, Soledad Barandiaran, Marcela Martínez Vivot, Carlos Garro, Bernardo Alonso, María Emilia Eirin, Martín José Zumárraga
Although Mycobacterium bovis is the major etiological agent of tuberculosis in bovines, it can infect other mammalians. Previously reported cases of tuberculosis caused by M. bovis in cats from the Autonomous City of Buenos Aires (CABA) led to the conclusion that the main source of infection for these felines was the ingestion of raw bovine lungs. Thus, for this study, we collected samples of bovine viscera from butchers' shops of the Greater Buenos Aires (GBA) and the CABA to assess presence and viability of these mycobacteria in bovine lungs (including the lymph nodes) and livers...
October 18, 2018: Foodborne Pathogens and Disease
Sutima Preeprem, Kamonnut Singkhamanan, Mitsuaki Nishibuchi, Varaporn Vuddhakul, Pimonsri Mittraparp-Arthorn
Pandemic O3:K6 Vibrio parahaemolyticus emerged in 1996. Since then, this strain of pathogen and its serovariants (predominantly O1:KUT [untypable], O1:K25 and O4:K68) have caused gastroenteritis worldwide. Owing to the limitation in established K antisera, tracking the sources of KUT for epidemiological investigation is difficult. Therefore, the effective molecular typing is required to discriminate the strains. The aim of this study was to develop a multiplex multilocus variable-number tandem-repeat analysis (MLVA) assay for typing pandemic V...
October 16, 2018: Foodborne Pathogens and Disease
Tae-Hoon Kim, Hyun Jin Hwang, Jeong Hee Kim
Rapid detection and timely treatment of diseases caused by foodborne pathogens is important for improving the curative efficiency and preventing the spread of disease. In this study, we developed an assay utilizing a recently introduced ultra-fast convection polymerase chain reaction (cPCR) in conjunction with a simple nucleic acid lateral flow (NALF) immunoassay for ultra-fast on-site molecular detection of foodborne pathogens. Two Salmonella enterica serovars, Salmonella Enteritidis and Salmonella Typhimurium, and Escherichia coli O157:H7 were used as the target pathogens...
October 11, 2018: Foodborne Pathogens and Disease
Weronika Korpysa-Dzirba, Jacek Osek
The aim of this study was to characterize enterotoxigenic Staphylococcus aureus recovered from raw cow milk from two geographical regions of Poland using pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST). Among 610 samples tested, 229 (37.5%) were positive for S. aureus and 30 (13.1%) of them possessed at least one gene encoding enterotoxins. The sec marker was the most commonly identified (12; 40.0% isolates), followed by the sed (9; 30.0%), sea (6; 20.0%), and seb (1; 3.3%) genes...
October 10, 2018: Foodborne Pathogens and Disease
James L Smith, Nereus W Gunther Iv
There are reports in the literature stating that Campylobacter infections can cause hemolytic uremic syndrome (HUS); however, a mechanism for how Campylobacter induces HUS has not been proposed by investigators. The most common bacterial inducer of HUS is the Shiga toxin-producing Escherichia coli (STEC), and a few cases of HUS are induced by an invasive Shigella dysenteriae or Streptococcus pneumoniae infection. Campylobacter spp. have not been shown to produce Shiga toxin (Stx) nor do they possess genetic elements capable of producing a Stx-like toxin...
October 10, 2018: Foodborne Pathogens and Disease
Narayan Paudyal, Hang Pan, Xiaoliang Li, Weihuan Fang, Min Yue
The online e-pub version of the article entitled, Antibiotic Resistance in Salmonella Enteritidis Isolates Recovered from Chicken, Chicken Breast, and Humans Through National Antimicrobial Resistance Monitoring System Between 1996 and 2014" by Paudyal N, Pan H, Li X. Fang W. Yue M., Foodborne Pathog Dis [Epub ahead of print]; DOI: 10.1089/fpd.2017.2402 is being officially retracted from Foodborne Pathogens and Disease (FPD) due to a significant number of errors in reporting and miscalculations of the National Antimicrobial Resistance Monitoring System (NARMS) datasets reported in the paper...
October 3, 2018: Foodborne Pathogens and Disease
Alexandros Ch Stratakos, Mark Linton, Patrick Ward, Mairead Campbell, Carmel Kelly, Laurette Pinkerton, Lavinia Stef, Ioan Pet, Ducu Stef, Tiberiu Iancu, Katerina Theodoridou, Ozan Gundogdu, Nicolae Corcionivoschi
Ruminants are important reservoirs of E. coli O157:H7 and are considered as the major source of most foodborne outbreaks (e.g., 2017 outbreak in Germany, 2014 and 2016 outbreaks in United States, all linked to beef products). A promising strategy to reduce E. coli O157 is using antimicrobials to reduce the pathogen levels and/or virulence within the animal gastrointestinal tract and thus foodborne disease. The aim of the study was to determine the efficacy of a commercial mixture of natural antimicrobials against E...
October 2, 2018: Foodborne Pathogens and Disease
Yadira Arnet Fernández, Jaqueline Lopes Damasceno, Fariza Abrão, Thayná de Souza Silva, Amanda de Lima Pizi Cândido, Nathalia Ferreira Fregonezi, Flavia Aparecida Resende, Salvador Boccaletti Ramos, Sergio Ricardo Ambrosio, Rodrigo Cassio Sola Veneziani, Jairo Knupp Bastos, Carlos Henrique Gomes Martins
Foodborne diseases (FBDs) are a serious public health concern worldwide. In this scenario, preservatives based on natural products, especially plants, have attracted researchers' attention because they offer potential antimicrobial action as well as reduced health impact. The genus Copaifera spp., which is native of tropical South America and West Africa, contains several species for which pharmacological activities, including antibacterial effects, have been described. On the basis of minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), antibiofilm activity (inhibition and eradication), preservative capacity, and Ames test, we evaluated the antibacterial, preservative, and mutagenic potential of Copaifera spp...
September 19, 2018: Foodborne Pathogens and Disease
Binru Yin, Lixian Zhu, Yimin Zhang, Pengcheng Dong, Yanwei Mao, Rongrong Liang, Lebao Niu, Xin Luo
The biofilm formation behavior of Salmonella isolated from beef processing plants was investigated under varying temperatures (4°C, 10°C, 25°C, 37°C, and 42°C) and pH (4.5, 5.0, 5.5, 6.0, 7.0, and 8.0). The relationships between the presence of biofilm-related genes and the biofilm formation capacity were evaluated. A total of 77 Salmonella strains in 8 different serotypes were assessed: Salmonella Agona (n = 43), Salmonella Senftenberg (n = 13), Salmonella Meleagridis (n = 8), Salmonella Derby (n = 7), Salmonella Kottbus (n = 2), Salmonella Calabar (n = 2), Salmonella Kingston (n = 1), and Salmonella Typhimurium (n = 1)...
September 8, 2018: Foodborne Pathogens and Disease
William A Lanier, Kis Robertson Hale, Aimee L Geissler, Daniel Dewey-Mattia
Chicken liver has been implicated in several reported U.S. illness outbreaks, probably caused by inadequate cooking and pathogen contamination. To identify commonalities among these outbreaks that could represent targets for prevention, we describe chicken liver-associated U.S. outbreaks during 2000-2016 reported to the Food Safety and Inspection Service, to the Centers for Disease Control and Prevention, and in published literature. We identified 28 outbreaks (23 [82.1%] were campylobacteriosis only, 3 [10...
September 7, 2018: Foodborne Pathogens and Disease
Hyun Jung Kim, Taeyoung Oh, Seung-Youb Baek
Escherichia coli is an important food safety and public health concern because of its pathogenicity and potential for antimicrobial resistance. E. coli isolates as food contaminants and their antimicrobial resistance, biofilm-forming ability, and virulence genes were analyzed to identify the potential of E. coli in food as a major transmission route for antimicrobial resistance and infectious agents. Among the 709 samples of minced meat and fresh vegetable products tested, 18.6% were positive for E. coli. One hundred nine (29...
September 5, 2018: Foodborne Pathogens and Disease
Ping Zhang, Linlin Zhuang, Di Zhang, Jingxiao Xu, Xinhong Dou, Chengming Wang, Jiansen Gong
Salmonella enterica serovar Indiana (S. Indiana) is a newly emerging pathogen with high levels of drug resistance. It has become one of the most common Salmonella serovars in China with a worldwide distribution, posing significant public health concerns. Detection of S. Indiana by traditional bacteriological methods is time-consuming and laborious, which prevents timely surveillance and effective control of the pathogen. In this study, comparative genomics was used to identify an A7P63_13850 gene that is uniquely present in S...
September 5, 2018: Foodborne Pathogens and Disease
Deise F Costa, Flávio Fowler, Claudio Silveira, Mario Junqueira Nóbrega, Heloisa Amaral Junqueira Nobrega, Heloisa Nascimento, Luiz Vicente Rizzo, Alessandra G Commodaro, Rubens Belfort
Toxoplasma gondii infection may be attributed to the ingestion of pork meat and contaminated water. In southern Brazil, the prevalence of blindness caused by T. gondii is the highest in the world. Our purpose is to determine the frequency of T. gondii DNA in commercial fresh sausage and cured salami samples from Rio Grande do Sul state, south of Brazil. A total of 118 samples (sausage and salami) from 8 different producers were collected and DNA was extracted. Real-time polymerase chain reaction (qPCR) technique was performed to detect T...
September 5, 2018: Foodborne Pathogens and Disease
Gregory H Tyson, Sonya Bodeis-Jones, Hayat Caidi, Kimberly Cook, Uday Dessai, Jovita Haro, Andre E McCullough, Jianghong Meng, Cesar A Morales, Jodie Plumblee Lawrence, Glenn E Tillman, Angela Winslow, Ron A Miller
We tested a diverse set of 500 isolates of nontyphoidal Salmonella enterica subsp. enterica from various animal, food, and human clinical sources for susceptibility to antimicrobials currently lacking epidemiological cutoff values (ECOFFs) set by the European Committee on Antimicrobial Susceptibility Testing. A consortium of five different laboratories each tested 100 isolates, using broth microdilution panels containing twofold dilutions of ceftriaxone, cefepime, and colistin to determine the minimum inhibitory concentrations of each drug when tested against the Salmonella isolates...
August 28, 2018: Foodborne Pathogens and Disease
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