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https://www.readbyqxmd.com/read/29202339/heat-denatured-lysozyme-could-be-a-novel-disinfectant-for-reducing-hepatitis-a-virus-and-murine-norovirus-on-berry-fruit
#1
Michiko Takahashi, Yumiko Okakura, Hajime Takahashi, Minami Imamura, Akira Takeuchi, Hiroyuki Shidara, Takashi Kuda, Bon Kimura
Hepatitis A virus (HAV) is well known worldwide as a causative virus of acute hepatitis. In recent years, numerous cases of HAV infection caused by HAV-contaminated berries have occurred around the world. Because berries are often consumed without prior heating, reliable disinfection of the raw fruit is important in order to prevent HAV outbreaks. Previous studies have found that murine norovirus strain 1 (MNV-1) and human norovirus GII.4 were inactivated in heat-denatured lysozyme solution. In this study, we investigated whether or not heat-denatured lysozyme is effective in inactivating HAV and whether it could be an effective disinfectant for berries contaminated with HAV or MNV-1...
November 24, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29201151/complete-genome-sequences-of-clostridium-perfringens-del1-strain-isolated-from-chickens-affected-by-necrotic-enteritis
#2
Charles Li, Xianghe Yan, Hyun S Lillehoj
Background: Clostridium perfringens is ubiquitous in nature. It is a normal inhabitant in the intestinal tract of animals and humans. As the primary etiological agent of gas gangrene, necrosis and bacteremia, C. perfringens causes food poisoning, necrotic enteritis (NE), and even death. Epidemiology research has indicated that the increasing incidence of NE in poultry is associated with the withdrawal of in-feed antibiotic growth promoters in poultry production in response to government regulations...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/29195934/photocrosslinker-technology-an-antimicrobial-efficacy-of-cinnamaldehyde-cross-linked-low-density-polyethylene-cin-c-ldpe-as-a-novel-food-wrapper
#3
H M Manukumar, S Umesha
In recent years much attention has been devoted to active packaging technologies that offer new opportunities for the food industry and food preservation. The spoilage of food products during post process handling leads to food contamination and causes life-threatening food-borne illness. The methicillin-resistant Staphylococcus aureus (MRSA) 090 is one of the food-borne pathogens associated with food poisoning that leads to an outbreak of perilous human infections worldwide. The development of resistance in bacteria and diffusion of coated synthetic preservatives into food are the major problem in food packaging industries...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29155976/description-of-a-mass-poisoning-in-a-rural-district-in-mozambique-the-first-documented-bongkrekic-acid-poisoning-in-africa
#4
Eduardo Samo Gudo, Kyla Cook, Amelia M Kasper, Alfredo Vergara, Cristolde Salomão, Fernanda Oliveira, Hamida Ismael, Cristovão Saeze, Carla Mosse, Quinhas Fernandes, Sofia Omar Viegas, Cynthia S Baltazar, Timothy J Doyle, Ellen Yard, Alaina Steck, Mayda Serret, Travis M Falconer, Sara E Kern, Jennifer L Brzezinski, James A Turner, Brian L Boyd, Ilesh V Jani
Background: On January 9, 2015, in a rural town in Mozambique, over 230 people became sick and 75 died from an illness linked to drinking pombe, a traditional alcoholic beverage. Methods: An investigation was conducted to identify cases and determine the cause of the outbreak. A case was defined as any resident of Chitima who developed any new or unexplained neurologic, gastrointestinal, or cardiovascular symptom from January 9 at 6:00 a.m. through January 12. We conducted medical record reviews; healthcare worker and community surveys; anthropological and toxicological investigations of local medicinal plants and commercial pesticides; and laboratory testing of the suspect and control pombe...
November 16, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29151097/the-dancing-manias-psychogenic-illness-as-a-social-phenomenon
#5
Douglas J Lanska
The dancing mania erupted in the 14th century in the wake of the Black Death, and recurred for centuries in central Europe - particularly Germany, the Netherlands, and Belgium - finally abating in the early 17th century. The term "dancing mania" was derived from "choreomania," a concatenation of choros (dance) and mania (madness). A variant, tarantism, was prevalent in southern Italy from the 15th to the 17th centuries, and was attributed at the time to bites from the tarantula spider. Affected individuals participated in continuous, prolonged, erratic, often frenzied and sometimes erotic, dancing...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29112896/staphylococcal-food-poisoning-caused-by-staphylococcus-argenteus-harboring-staphylococcal-enterotoxin-genes
#6
Yuki Wakabayashi, Kaoru Umeda, Shinya Yonogi, Hiromi Nakamura, Kaori Yamamoto, Yuko Kumeda, Kentaro Kawatsu
Staphylococcal food poisoning (SFP) is caused by staphylococcal enterotoxins (SEs) preformed in food materials. SE genes are encoded on mobile genetic elements and are widely found across Staphylococcus species including S. argenteus, although most SFP cases are caused by S. aureus. S. argenteus, recently discriminated from S. aureus as a novel species, are non-pigmented staphylococci phenotypically related to S. aureus. In 2014 and 2015, two independent food poisoning cases occurred in Osaka, Japan, in which non-pigmented staphylococci were predominantly isolated...
October 22, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28961520/food-poisoning-outbreak-in-tokyo-japan-caused-by-staphylococcus-argenteus
#7
Yasunori Suzuki, Hiroaki Kubota, Hisaya K Ono, Makiko Kobayashi, Konomi Murauchi, Rei Kato, Akihiko Hirai, Kenji Sadamasu
Staphylococcus argenteus is a novel species subdivided from Staphylococcus aureus. Whether this species can cause food poisoning outbreaks is unknown. This study aimed to investigate the enterotoxigenic activities of two food poisoning isolates suspected to be S. argenteus (Tokyo13064 and Tokyo13069). The results for phylogenic trees, constructed via whole genome sequencing, demonstrated that both isolates were more similar to a type strain of S. argenteus (MSHR1132) than any S. aureus strain. Moreover, the representative characteristics of S...
December 4, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28930175/sensitive-genotyping-of-foodborne-associated-human-noroviruses-and-hepatitis-a-virus-using-an-array-based-platform
#8
Beatriz Quiñones, Bertram G Lee, Todd J Martinsky, Jaszemyn C Yambao, Paul K Haje, Mark Schena
Human noroviruses (NoV) are the leading cause of human gastroenteritis in populations of all ages and are linked to most of the foodborne outbreaks worldwide. Hepatitis A virus (HAV) is another important foodborne enteric virus and is considered the most common agent causing acute liver disease worldwide. In the present study, a focused, low-density DNA microarray was developed and validated for the simultaneous identification of foodborne-associated genotypes of NoV and HAV. By employing a novel algorithm, capture probes were designed to target variable genomic regions commonly used for typing these foodborne viruses...
September 20, 2017: Sensors
https://www.readbyqxmd.com/read/28888545/next-generation-sequencing-for-the-investigation-of-an-outbreak-of-salmonella-schwarzengrund-in-nanjing-china
#9
Xuefei Du, Xiao Jiang, Yanhua Ye, Baofu Guo, Wei Wang, Jie Ding, Guoxiang Xie
INTRODUCTION: Salmonella Schwarzengrund is most frequently isolated from poultry meat and can cause human infections. S. Schwarzengrund was isolated from diarrheal patients in a food poisoning event in Nanjing, China. METHODS: Three strains isolated from patients were microbiologically confirmed as S. Schwarzengrund. Salmonella strains from spiced donkey meat were also confirmed as S. Schwarzengrund. Epidemiology investigation showed evidence of a correlation between the consumption of spiced donkey meat and those cases...
September 6, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28867621/genetic-variation-among-clostridium-perfringens-isolated-from-food-and-faecal-specimens-in-lagos
#10
Emelda E Chukwu, Francisca O Nwaokorie, Akitoye O Coker, Mario J Avila-Campos, Folasade T Ogunsola
BACKGROUND: Clostridium perfringens is an anaerobic Gram-positive bacterium which is commonly present in the gastrointestinal tract of man and animals and causes enteritic diseases in animals and food poisoning in humans. Previous studies have looked at the epidemiological relationship between C. perfringens isolates from outbreak source. In this study, the genetic diversity of C. perfringens strains from non-outbreak food and faecal specimens was investigated for epidemiological purposes...
October 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28855475/detection-of-norovirus-in-swab-specimens-of-restrooms-and-kitchens-collected-for-investigation-of-suspected-food-poisoning-outbreaks-in-tokyo
#11
Yoshiko Somura, Kana Kimoto, Mayuko Oda, Miyuki Nagano, Yuta Okutsu, Kohji Mori, Tetsuya Akiba, Kenji Sadamasu
During 2015-2016, we examined norovirus (NoV) RNA in swab specimens collected for investigation of suspected food poisoning outbreaks in Tokyo by real-time RT-PCR. Of 1,726 swab samples, 65 (3.8%) were NoV-positive and all positive swab samples were derived from NoV-positive outbreaks. Swab specimens were positive in 41 of 181 (22.7%) NoV outbreaks, while no positive swabs were detected in NoV-negative outbreaks. PCR fragments amplified from 32 swabs were sequenced, and all of them displayed complete homology with sequences from clinical and food samples...
2017: Shokuhin Eiseigaku Zasshi. Journal of the Food Hygienic Society of Japan
https://www.readbyqxmd.com/read/28845896/development-of-a-multiplex-real-time-pcr-assay-for-detection-of-human-enteric-viruses-other-than-norovirus-using-samples-collected-from-gastroenteritis-patients-in-fukui-prefecture-japan
#12
Kazuaki Kowada, Kenji Takeuchi, Eiko Hirano, Miho Toho, Kiyonao Sada
There are many varieties of gastroenteritis viruses, of which norovirus (NoV) accounts for over 90% of the viral food poisoning incidents in Japan. However, protocols for rapidly identifying other gastroenteritis viruses need to be established to investigate NoV-negative cases intensively. In this study, a multiplex real-time PCR assay targeting rotavirus A, rotavirus C, sapovirus, astrovirus, adenovirus, and enterovirus was developed using stool samples collected from gastroenteritis patients between 2010 and 2013 in Fukui Prefecture, Japan...
August 28, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28839031/complete-sequence-of-a-staphylococcus-aureus-clonal-complex-81-strain-the-dominant-lineage-in-food-poisoning-outbreaks-in-japan
#13
Yusuke Sato'o, Junzo Hisatsune, Hideki Hirakawa, Hisaya K Ono, Katsuhiko Omoe, Motoyuki Sugai
Staphylococcus aureus No. 10 is an isolate from a staphylococcal food poisoning outbreak in Japan, classified as clonal complex 81 subtype 1. It preferentially produces larger quantities of staphylococcal enterotoxin A (SEA) and staphylococcal enterotoxin H (SEH) in foods and media. Here, we report the complete annotated genome sequence of the chromosome and a plasmid.
August 24, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28820948/prevalence-and-expression-of-staphylococcal-enterotoxin-genes-in-staphylococcus-aureus-isolated-from-food-poisoning-outbreaks
#14
Caroline Peixoto Bastos, Milena Tomasi Bassani, Marcia Magalhães Mata, Graciela Volz Lopes, Wladimir Padilha da Silva
Staphylococcus aureus is an important pathogen of foodborne origin. The pathogen produces a variety of toxins that include the staphylococcal enterotoxins (SE). The present study aimed to evaluate the prevalence and expression of 5 SE genes (sea, seb, sec, sed, and see) in S. aureus isolated from outbreaks occurred in the state of Rio Grande do Sul, Brazil. All isolates, with the exception of 2, presented the same or higher transcriptional expression than the reference strains for at least 1 of these genes...
October 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28753923/an-overview-of-seafood-supply-food-safety-and-regulation-in-new-south-wales-australia
#15
REVIEW
Malik A Hussain, Themy Saputra, Elizabeth A Szabo, Bruce Nelan
Seafood consumption is increasing in Australia, especially in New South Wales (NSW). Average per capita seafood consumption in NSW is higher than the national average. Seafood supply in NSW comes from domestic (wild catch and aquaculture) and overseas (seafood imports) sources. The contribution of wild catch and aquaculture in domestic seafood production (2012-2013) was 73.42% and 26.52%, respectively. Seafood-associated foodborne illness outbreaks are not common and on an average four outbreaks occur each year in NSW...
July 19, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28748745/histamine-poisoning-from-insect-consumption-an-outbreak-investigation-from-thailand
#16
Summon Chomchai, Chulathida Chomchai
BACKGROUND: Insect consumption is a common practice in the Asian culture and all over the world. We are reporting an outbreak investigation of histamine poisoning from ingestion of fried insects. METHODS: On 24 July 2014, a group of students at a seminar presented to Angthong Provincial Hospital, Thailand, with pruritic rash after ingesting snacks consisting of fried insects from a vendor. We initiated an outbreak investigation with retrospective cohort design and collected samples of remaining foods for analyses...
July 27, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28582663/molecular-and-epidemiological-characterization-of-staphylococcal-foodborne-outbreak-of-staphylococcus-aureus-harboring-seg-sei-sem-sen-seo-and-selu-genes-without-production-of-classical-enterotoxins
#17
Kaoru Umeda, Hiromi Nakamura, Kaori Yamamoto, Nobuko Nishina, Kiyoshi Yasufuku, Yuki Hirai, Teruo Hirayama, Kaoru Goto, Atsushi Hase, Jun Ogasawara
Staphylococcal food poisoning is the result of consumption of food contaminated with staphylococcal enterotoxins (SEs) produced by Staphylococcus aureus. To date, 23 SEs and SE-like enterotoxins (SEls) have been described in the literature. They are divided into classical SEs (SEA-SEE) and new SE/SEls (SEG-SElX). Some have proved to be foodborne-inducible, but others remain unidentified. In May 2016, at an elderly group home in Osaka city, Japan, an outbreak from foodborne pathogens occurred among lunch party participants...
September 1, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28524037/-clinical-analysis-of-53-patients-with-clostridium-botulinum-food-poisoning
#18
Peng Zhang, Jianguang Dong, Lili Bai, Zewu Qiu
OBJECTIVE: To analyze the epidemiologic data of patients with Clostridium botulinum food poisoning, and to improve the understanding, diagnosis and treatment of food borne botulism. METHODS: A retrospective study was conducted. Fifty-three patients with Clostridium botulinum food poisoning admitted to Chinese PLA Center of Poisoning and Treatment from January 2009 to December 2016 were enrolled, and they were divided into mild, moderate, and severe groups according to the severity of disease...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28467187/evaluation-of-two-standard-and-two-chromogenic-selective-media-for-optimal-growth-and-enumeration-of-isolates-of-16-unique-bacillus-species
#19
M Shahjahan Kabir, Ying-Hsin Hsieh, Steven Simpson, Khalil Kerdahi, Irshad M Sulaiman
The genus Bacillus is a group of gram-positive endospore-forming bacteria that can cause food poisoning and diarrheal illness in humans. A wide range of food products have been linked to foodborne outbreaks associated with these opportunistic pathogens. The U.S. Food and Drug Administration recommends (in their Bacteriological Analytical Manual) the use of Bacara or mannitol egg yolk polymyxin (MYP) agar plates and the most-probable-number (MPN) method for enumeration and confirmation of Bacillus cereus and related species isolated from foods, sporadic cases, outbreaks, and routine environmental surveillance samples...
June 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28450142/pan-genome-analysis-of-clostridium-botulinum-reveals-unique-targets-for-drug-development
#20
Tulika Bhardwaj, Pallavi Somvanshi
Clostridium botulinum, a formidable pathogen is responsible for the emerging cause of food poisoning cases on the global canvas. The endemicity of bacterium Clostridium botulinum is reflected by the sudden hospital outbreaks and increased resistance towards multiple drugs. Therefore, a combined approach of in-silico comparative genomic analysis with statistical analysis was applied to overcome the limitation of bench-top technologies. Owing to the paucity of genomic data available by the advent of third generation sequencing technologies, several 'omics' technologies were applied to understand the underlying evolutionary pattern and lifestyle of the bacterial pathogen using phylogenomics...
August 5, 2017: Gene
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