Chenqing Zhou, Ling Zhao, Juan Zhang, Yan Qi, Baoying Huang, Zhiyun She
The increasing global popularity of ready-to-eat (RTE) foods for their convenience simultaneously brings along a risk, as these products can be contaminated with various microorganisms, including potentially harmful pathogens. We aimed to investigate the food contamination of Staphylococcus aureus ( S. aureus ) in RTE foods in Guangdong, South China. All S. aureus isolates were subjected to characterization through antimicrobial susceptibility tests, multilocus sequence typing (MLST), and PCR analysis for detecting mec and blaZ genes...
February 26, 2024: Foodborne Pathogens and Disease
Kashaf Yaseen, Sultan Ali, Sajjad-Ur Rahman, Muhammad Sohail Sajid
This study holds significant importance due to its focus on Campylobacter , the leading bacterial cause of gastroenteritis worldwide, responsible for ∼96 million cases each year. By investigating the prevalence of both Campylobacter jejuni and Campylobacter coli in humans, animals, and the environment, this research sheds light on the broader impact of these pathogens, which can harm both human and animal populations. Traditional microbiological methods were implemented followed by optimized multiplex polymerase chain reaction targeting 16S rDNA and virulence gene markers by using specific primers...
February 23, 2024: Foodborne Pathogens and Disease
Yusuf Deniz, Sadrettin Ekmen, Erkan Dogan, Seyda Ozden Calıs
The World Health Organization estimates that 31 foodborne pathogen account for 600 million cases of illness annually. This study, conducted in a pediatric emergency department in Turkey, addresses the limited research on pediatric foodborne diseases (FD) in the country, exposing a significant knowledge gap. Analyzing 17,091 pediatric cases, 106 FD cases were identified, predominantly affecting boys (94.3%) with an average age of 7.65 ± 6.51 years. Remarkably, no patients required pediatric intensive care admission, and no mortalities were recorded...
February 21, 2024: Foodborne Pathogens and Disease
Silu Peng, Huomei Xiong, Jun Lu, Fei Luo, Chengwei Liu, Houde Zhou, Wei Tong, Zhilu Xia, Daofeng Liu
In China, Salmonella is one of the most frequent causes of bacterial gastroenteritis, and food handlers in restaurants as an important contaminated source were rarely reported. In May 2023, an outbreak of Salmonella enterica serovar Enteritidis infection in a restaurant in Jiangxi Province, China, was investigated. Cases were interviewed. Stool samples from cases, anal swabs from restaurant employees, suspicious raw food materials, and semifinished food were collected and examined. Pulsed-field gel electrophoresis (PFGE) and whole genome sequencing (WGS) were performed to determine the relatedness of the pathogen isolates...
February 13, 2024: Foodborne Pathogens and Disease
Erfan Ghoreyshizadeh, Meysam Manouchehrifar, Rashid Ramazanzadeh, Hadi Peeri Doghaheh, Mojtaba Amani, Mohsen Arzanlou
Staphylococcus aureus causes various toxigenic and invasive diseases in humans worldwide. This study examined the prevalence, virulence genes, and antibiotic resistance of S. aureus isolates collected from 894 retail food samples in Ardabil, Iran. Staphylococcal cassette chromosome mec (SCC mec ), spa , and multilocus sequence typing methods were employed to further investigate the molecular characteristics of methicillin-resistant S. aureus (MRSA) isolates. The results revealed that 11.18% ( n  = 100) of food samples exhibited contamination with S...
February 12, 2024: Foodborne Pathogens and Disease
Tsui-Ping Liu, Lee-Chung Lin, Shih-Cheng Chang, Yu-Hsiang Ou, Jang-Jih Lu
Listeria monocytogenes is a critical foodborne pathogen that causes severe invasive and noninvasive diseases and is associated with high mortality. Information on the prevalence of L. monocytogenes infections in Taiwan is very limited. This study aimed to analyze the molecular epidemiological surveillance and virulence gene distribution of 176 human clinical L. monocytogenes isolates collected between 2009 and 2019 in northern Taiwan. Our results showed that the isolates belonged to 4 serogroups (IIa, IIb, IVb, and IIc), with most isolates in serogroups IIa (81/176, 46%) and IIb (71/176, 40...
February 12, 2024: Foodborne Pathogens and Disease
Serajus Salaheen, Seon Woo Kim, Jeffrey S Karns, Jo Ann S Van Kessel, Bradd J Haley
Salmonella enterica subsp. enterica serovar Kentucky was repeatedly isolated from a commercial dairy herd that was enrolled in a longitudinal study where feces of asymptomatic dairy cattle were sampled intensively over an 8-year period. The genomes of 5 Salmonella Kentucky isolates recovered from the farm 2 years before the onset of the long-term colonization event and 13 isolates collected during the period of endemicity were sequenced. A phylogenetic analysis inferred that the Salmonella Kentucky strains from the farm were distinct from poultry strains collected from the same region, and three subclades (K, A1, and A2) were identified among the farm isolates, each appearing at different times during the study...
January 29, 2024: Foodborne Pathogens and Disease
Alfredo Maldonado-Barrueco, Julio García-Rodríguez, Guillermo Ruiz-Carrascoso
The aim of this study was to describe the impact of non-pharmaceutical interventions (NPIs) against SARS-CoV-2 on bacterial gastroenteritis illnesses (BGIs), including Campylobacter spp., Aeromonas spp., Salmonella spp., Shigella spp./enteroinvasive Escherichia coli (EIEC), and Yersinia enterocolitica , in outpatients, inpatients, and emergency departments (ED). Data of patients from a health care area in Madrid (Spain) with diarrhea and positive-real-time polymerase chain reaction (RT-PCR) were collected. The periods analyzed were prepandemic (P0, April 1, 2019 to March 31, 2020), first (P1, April 1, 2020 to March 31, 2021), and second (P2, April 1, 2021 to March 31, 2022) pandemic years...
January 29, 2024: Foodborne Pathogens and Disease
Michelle Torok, Ingrid Hewitson, Abbey Hutton, Elaine Scallan Walter, Rachel Jervis
Shigellosis is spread through the fecal-oral route, including sexual activity. The Centers for Disease Control and Prevention recommends collecting a sexual history from people diagnosed with shigellosis to enhance the understanding of its epidemiology and outbreak detection and the design of disease prevention messaging, although individual jurisdictions decide if and how this is done. Moreover, enteric disease interviewers typically receive in-depth general interviewing training, but often not sexual history question training...
January 23, 2024: Foodborne Pathogens and Disease
Peng Fei, Jing Xu, Jinlan Xie, Jicheng Huang, Hongxia Feng, Xi Chen, Peiyi Jiang, Mingliang Guo, Yunhe Chang
Cronobacter sakazakii is an important foodborne pathogen in powder infant formula (PIF). The objective of this study was to evaluate the inactivation effect of Rosa roxburghii Tratt pomace crude extract (RRPCE) on C. sakazakii isolated from PIF and to reveal the mechanism of action. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were used to evaluate the inhibitory activity of RRPCE against C. sakazakii . The inhibitory mechanism was revealed from the perspective of effects of RRPCE on intracellular adenosine 5'-triphosphate (ATP), reactive oxygen species (ROS), membrane potential, protein and nucleic acid leakage, and cell morphology of C...
January 23, 2024: Foodborne Pathogens and Disease
Jie Zheng, Li Liu, Guo Chen, Wenping Xu, Yulan Huang, Gaopeng Lei, Weifeng Huang, Hong Lv, Xiaorong Yang
Staphylococcal food poisoning (SFP) is one of the most common foodborne diseases in the world. This study aimed to investigate the molecular epidemiological characteristics of Staphylococcus aureus isolated from SFP. A total of 103 S. aureus isolates were obtained during 2011-2022 in Sichuan, southwest China. All isolates were tested for the genomic characteristics and phylogenetic analysis by performing whole-genome sequencing. Multilocus sequence typing analysis showed 17 multilocus sequence types (STs), ST7 (23...
January 19, 2024: Foodborne Pathogens and Disease
Liang Guo, Qing Liu, Xianhong Yin
Gut microbiota (GM) has been proven to resist pathogenic infection through nutritional competition, colonization resistance and promotion of the host immune response. However, in clinical practice, GM is mainly used in intestinal diseases, such as Clostridium difficile infection, and there are few reports on its application in the treatment of pathogenic bacterial infections. In this study, GM from healthy mice was transplanted into mice infected with Listeria monocytogenes using fecal microbiota transplantation (FMT) and the effects were observed...
January 19, 2024: Foodborne Pathogens and Disease
Marco Aurélio Cunha Del Vechio, Karolaine Bezerra, Jocimara Estevam Dos Santos, Jacqueline Midori Ono, Isabela Carvalho Dos Santos, Daniela Dib Gonçalves, Lidiane Nunes Barbosa
The aim of this study was to evaluate the antibacterial activity of Cymbopogon citratus essential oil against bacteria isolated from the oral cavity of dogs and applied directly to artificially contaminated feed. The commercial dry dog feed received the inoculum of the bacteria prevalent in the oral cavity of the dogs where C. citratus was deposited in the feed by spray. In total, 42 isolates were obtained, 38 Gram-positive and 4 Gram-negative. Staphylococcus spp. was the most prevalent bacteria in the oral cavity of dogs (76...
January 16, 2024: Foodborne Pathogens and Disease
Meiying Luo, Suqian Li, Yang Yang, Junhang Sun, Yuman Su, Dechun Huang, Xin Feng, Huihua Zhang, Qien Qi
Salmonella enterica is one of the most important zoonotic pathogens causing foodborne gastroenteritis worldwide. Outer membrane vesicles (OMVs) are lipid-bilayer vesicles produced by Gram-negative bacteria, which contain biologically active components. We hypothesized that OMVs are an important weapon of S. enterica to initiate enteric diseases pathologies. In this study, the effects of S. enterica OMVs ( Se OMVs) on intestinal microbiota and intestinal barrier function were investigated. In vitro fecal culture experiments showed that alpha diversity indexes and microbiota composition were altered by Se OMV supplementation...
January 12, 2024: Foodborne Pathogens and Disease
Afaf Abdelrahim, Erin Harrell, Paula J Fedorka-Cray, Megan Jacob, Siddhartha Thakur
Surveillance of antimicrobial-resistant pathogens in U.S. retail meats is conducted to identify potential risks of foodborne illness. In this study, we conducted a phenotypic and genotypic analysis of Escherichia coli recovered from a diverse range of retail meat types during 2018-2019 in North Carolina. The investigation was conducted as part of the National Antimicrobial Resistance Monitoring System (NARMS). Retail meat sampling and E. coli isolation were performed in accordance with NARMS retail meat isolation protocols...
January 10, 2024: Foodborne Pathogens and Disease
Goutam Chowdhury, Falguni Debnath, Mainak Bardhan, Alok Kumar Deb, Rama Bhuina, Sudipta Bhattacharjee, Koushik Mondal, Kei Kitahara, Shin-Ichi Miyoshi, Shanta Dutta, Asish K Mukhopadhyay
Foodborne gastroenteritis outbreaks owing to Salmonella enterica serovar Weltevreden ( Salmonella Weltevreden) represent a significant global public health problem. In the past two decades, Salmonella Weltevreden has emerged as a dominant foodborne pathogen, especially in South-East Asian countries. This report describes a community foodborne outbreak of gastroenteritis caused by Salmonella Weltevreden in August 2022 following consumption of panipuri from a street vendor in the Polba block in Hooghly district, West Bengal, India...
January 8, 2024: Foodborne Pathogens and Disease
Jiao Wang, Lu Ran, Mengying Zhai, Chao Jiang, Chao Xu
Foodborne norovirus outbreak usually poses high risks in coastal areas in China. Owing to the influence of multiple climatic factors, it demonstrates typical seasonality and the hotspots gradually expanded northwards from 2008 to 2018. However, the complex mechanism of the onset of outbreaks makes accurate prediction difficult. Thus, it is in necessity to construct a predictive model for foodborne norovirus outbreaks in coastal areas based on environmental and geographical variables. A novel predictive nonlinear autoregressive model with exogenous inputs model was developed using 11 years of environmental and foodborne norovirus outbreak data collected from coastal areas in China...
December 27, 2023: Foodborne Pathogens and Disease
Liang Guo, Qing Liu, Xianhong Yin
Listeria monocytogenes (Lm) mainly infect pregnant women, children, the elderly, and other populations with low immunity causing septicemia and meningitis. Healthy people can tolerate higher doses of Lm and only cause gastrointestinal symptoms such as abdominal pain and diarrhea after infection. Compared to the above population, healthy people have a richer and more diverse gut microbiota. In this study, we show that the microbiota in the large intestine and the feces of mice can significantly inhibit the growth of Lm compared to the microbiota in the small intestine...
December 27, 2023: Foodborne Pathogens and Disease
Shicui Li, Yingying Fan, Jie Han, Fengjuan Liu, Yu Ding, Xiaolong Li, Enhe Yu, Shuai Wang, Fulan Wang, Cheng Wang
The microbes on fresh processing tomatoes correlate closely with diseases, preservation, and quality control. Investigation of the microbial communities on processing tomatoes from different production regions may help define microbial specificity, inform disease prevention methods, and improve quality. In this study, surface microbes on processing tomatoes from 10 samples in two primary production areas of southern and northern Xinjiang were investigated by sequencing fungal internal transcribed spacer and bacterial 16S rRNA hypervariable sequences...
December 26, 2023: Foodborne Pathogens and Disease
Yanhong Chen, Ling-Xiao Liu, Xiaolin Liu, Weisen Yu, Xiaojing Ma, Zhi-Wen Lei, Weixing Ma, Ling-Li Meng, Yun-Guo Liu
The objective was to determine the prevalence of foodborne pathogens in food in Longnan City, Gansu Province, China. In this research, we conducted tests on baked foods, catering foods, meat, and fruits and vegetables sold in supermarkets, farmers' markets, restaurants, retail stores, street stalls, and school canteens from 2013 to 2022. We analyzed the variety of foodborne pathogens ( Salmonella , Staphylococcus aureus, Listeria monocytogenes , Bacillus cereus , and diarrheagenic Escherichia coli ) in different sites and food types...
December 19, 2023: Foodborne Pathogens and Disease
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