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https://www.readbyqxmd.com/read/28524037/-clinical-analysis-of-53-patients-with-clostridium-botulinum-food-poisoning
#1
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/28522308/development-of-a-ssdna-aptamer-for-detection-of-residual-benzylpenicillin
#2
A-Young Lee, Na-Reum Ha, In-Pil Jung, Sang-Heon Kim, A-Ru Kim, Moon-Young Yoon
Antibiotics are useful for improving the living conditions of livestock. However, residual antibiotics induce several human diseases such as food-borne illness and infection of carbapenem-resistant Enterobacteriaceae (CRE). In this study, the identification of a benzylpenicillin-specific aptamer was selected by rGO-SELEX (reduced Graphene Oxide-Systematic Evolution of Ligands by EXponential enrichment). A random ssDNA library was incubated with rGO for adsorption and eluted with benzylpenicillin. As a result of the selection process, a DNA aptamer was found that specifically bound to benzylpenicillin with high binding affinity, Kd = 383...
May 15, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28516860/salmonella-diva-vaccine-reduces-disease-colonization-and-shedding-due-to-virulent-s-typhimurium-infection-in-swine
#3
Bradley L Bearson, Shawn M D Bearson, Brian W Brunelle, Darrell O Bayles, In Soo Lee, Jalusa D Kich
PURPOSE: Non-host-adapted Salmonella serovars, including the common human food-borne pathogen Salmonella enterica serovar Typhimurium (S. Typhimurium), are opportunistic pathogens that can colonize food-producing animals without causing overt disease. Interventions against Salmonella are needed to enhance food safety, protect animal health and allow the differentiation of infected from vaccinated animals (DIVA). METHODOLOGY: An attenuated S. Typhimurium DIVA vaccine (BBS 866) was characterized for the protection of pigs following challenge with virulent S...
May 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28507070/limited-colonization-undermined-by-inadequate-early-immune-responses-define-the-dynamics-of-decidual-listeriosis
#4
Gabrielle Rizzuto, Elisa Tagliani, Priyanka Manandhar, Adrian Erlebacher, Anna I Bakardjiev
The bacterial pathogen Listeria monocytogenes causes a food-borne systemic disease in pregnant women that can lead to preterm labor, stillbirth, or severe neonatal disease. Colonization of the maternal decidua appears to be an initial step in the maternal component of the disease as well as bacterial transmission to the placenta and fetus. Host-pathogen interactions in the decidua during this early stage of infection remain poorly understood. Here, we assessed the dynamics of L. monocytogenes infection in primary human decidual organ cultures and in the murine decidua in vivo...
May 15, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28493001/study-on-the-tolerance-and-adaptation-of-rats-to-angiostrongylus-cantonensis-infection
#5
Liu Ji, Xu Yiyue, He Xujin, Zheng Minghui, Zhang Mengying, Hu Yue, Wu Yanqi, Song Langui, Zeng Xin, Lin Datao, Wan Shuo, Zheng Huanqin, Wu Zhongdao, Lv Zhiyue
Angiostrongylus cantonensis (A. cantonensis) is the most common infectious agent causing eosinophilic meningitis. As an important food-borne parasitic disease, angiostrongyliasis cantonensis is an emerging infectious disease which brings severe harm to central nerve system of human. Rat, one of the few permissive hosts of A. cantonensis known to date, plays an indispensable role in the worm's life cycle. However, the tolerance and adaptation of rat to A. cantonensis infection is rarely understood. In this study, we infected rats with different numbers the third stage larvae (L3) of A...
May 11, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28491823/comparative-proteomics-reveals-differences-in-host-pathogen-interaction-between-infectious-and-commensal-relationship-with-campylobacter-jejuni
#6
Nieves Ayllón, Ángeles Jiménez-Marín, Héctor Argüello, Sara Zaldívar-López, Margarita Villar, Carmen Aguilar, Angela Moreno, José De La Fuente, Juan J Garrido
Campylobacter jejuni is the leading food-borne poisoning in industrialized countries. While the bacteria causes disease in humans, it merely colonizes the gut in poultry or pigs, where seems to establish a commensal relationship. Until now, few studies have been conducted to elucidate the relationship between C. jejuni and its different hosts. In this work, a comparative proteomics approach was used to identify the underlying mechanisms involved in the divergent outcome following C. jejuni infection in human and porcine host...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28465670/review-of-major-sweetpotato-pests-in-japan-with-information-on-resistance-breeding-programs
#7
REVIEW
Yoshihiro Okada, Akira Kobayashi, Hiroaki Tabuchi, Toshikazu Kuranouchi
Sweetpotato (Ipomoeae batatas (L.) Lam.) is an important food crop affected by several pests throughout the world, especially in tropical, subtropical, and temperate regions. Although Japan is relatively free from many serious sweetpotato pests, some pests, especially soil-borne pathogens, viruses, and insects such as plant-parasitic nematodes and weevils, cause severe damage in Japan. In this review, we describe the current status and management options for sweetpotato pests and diseases in Japan and review research related to sweetpotato breeding that can promote resistance to these problems...
January 2017: Breeding Science
https://www.readbyqxmd.com/read/28455327/novel-method-for-the-reliable-identification-of-siccibacter-and-franconibacter-strains-from-pseudo-cronobacter-to-new-enterobacteriaceae-genera
#8
Barbora Svobodová, Jiří Vlach, Petra Junková, Ludmila Karamonová, Martina Blažková, Ladislav Fukal
In the last decade, strains of the genera Franconibacter and Siccibacter have been misclassified as first Enterobacter and later Cronobacter Because Cronobacter is a serious food-borne pathogen that affects premature neonates and elderly individuals, such misidentification may not only falsify epidemiological statistics, but also lead to tests of powdered infant formula or other foods giving false results. Currently, the main ways of identifying Franconibacter and Siccibacter strains are by biochemical testing or by sequencing of the fusA gene as part of Cronobacter MLST, but in relation to these strains the former is generally highly difficult and unreliable while the latter remains expensive...
April 28, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28438095/arcobacter-an-emerging-food-borne-zoonotic-pathogen-its-public-health-concerns-and-advances-in-diagnosis-and-control%C3%A2-%C3%A2-a-comprehensive-review
#9
Thadiyam Puram Ramees, Kuldeep Dhama, Kumaragurubaran Karthik, Ramswaroop Singh Rathore, Ashok Kumar, Mani Saminathan, Ruchi Tiwari, Yashpal Singh Malik, Raj Kumar Singh
Arcobacter has emerged as an important food-borne zoonotic pathogen, causing sometimes serious infections in humans and animals. Newer species of Arcobacter are being incessantly emerging (presently 25 species have been identified) with novel information on the evolutionary mechanisms and genetic diversity among different Arcobacter species. These have been reported from chickens, domestic animals (cattle, pigs, sheep, horses, dogs), reptiles (lizards, snakes and chelonians), meat (poultry, pork, goat, lamb, beef, rabbit), vegetables and from humans in different countries...
December 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28407482/salmonella-typhimurium-diarrhea-reveals-basic-principles-of-enteropathogen-infection-and-disease-promoted-dna-exchange
#10
REVIEW
Sandra Y Wotzka, Bidong D Nguyen, Wolf-Dietrich Hardt
Despite decades of research, efficient therapies for most enteropathogenic bacteria are still lacking. In this review, we focus on Salmonella enterica Typhimurium (S. Typhimurium), a frequent cause of acute, self-limiting food-borne diarrhea and a model that has revealed key principles of enteropathogen infection. We review the steps of gut infection and the mucosal innate-immune defenses limiting pathogen burdens, and we discuss how inflammation boosts gut luminal S. Typhimurium growth. We also discuss how S...
April 12, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28401513/study-of-intra-inter-species-protein-protein-interactions-for-potential-drug-targets-identification-and-subsequent-drug-design-for-escherichia-coli-o104-h4-c277-11
#11
Shakhinur Islam Mondal, Zabed Mahmud, Montasir Elahi, Arzuba Akter, Nurnabi Azad Jewel, Md Muzahidul Islam, Sabiha Ferdous, Taisei Kikuchi
Protein-protein interaction (PPI) and host-pathogen interactions (HPI) proteomic analysis has been successfully practiced for potential drug target identification in pathogenic infections. In this research, we attempted to identify new drug target based on PPI and HPI computation approaches and subsequently design new drug against devastating enterohemorrhagic Escherichia coli O104:H4 C277-11 (Broad), which causes life-threatening food borne disease outbreak in Germany and other countries in Europe in 2011...
December 2016: In Silico Pharmacology
https://www.readbyqxmd.com/read/28400011/use-of-enhanced-nisin-derivatives-in-combination-with-food-grade-oils-or-citric-acid-to-control-cronobacter-sakazakii-and-escherichia-coli-o157-h7
#12
Alicia Campion, Ruth Morrissey, Des Field, Paul D Cotter, Colin Hill, R Paul Ross
Cronobacter sakazakii and Escherichia coli O157:H7 are well known food-borne pathogens that can cause severe disease. The identification of new alternatives to heating to control these pathogens in foods, while reducing the impact on organoleptic properties and nutritional value, is highly desirable. In this study, nisin and its bioengineered variants, nisin V and nisin S29A, are used alone, or in combination with plant essential oils (thymol, carvacrol and trans-cinnamaldehyde) or citric acid, with a view to controlling C...
August 2017: Food Microbiology
https://www.readbyqxmd.com/read/28397036/risk-factors-for-low-birth-weight-and-preterm-birth-a-population-based-case-control-study-in-wuhan-china
#13
Jing Wang, Yun Zeng, Ze-Min Ni, Gui Wang, Shu-Yun Liu, Can Li, Chao-Li Yu, Qi Wang, Shao-Fa Nie
Low birth weight (LBW) and preterm birth (PB) are associated with newborn mortality and diseases in adulthood. We explored factors related to LBW and PB by conducting a population-based case-control study from January 2011 to December 2013 in Wuhan, China. A total of 337 LBW newborn babies, 472 PB babies, and 708 babies with normal birth weights and born from term pregnancies were included in this study. Information of newborns and their parents was collected by trained investigators using questionnaires and referring to medical records...
April 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28382711/prevalence-of-premastication-among-children-aged-6-36%C3%A2-months-and-its-association-with-health-a-cross-sectional-study-in-eight-cities-of-china
#14
Ai Zhao, Wei Zheng, Yong Xue, Hao Li, Shengjie Tan, Wenzhi Zhao, Peiyu Wang, Yumei Zhang
Premastication is thought to be an adaptive behavior in the introduction of complementary plant-bassed food to infants. It arouses controversy, however, because of the potential for transmitting saliva-born infectious diseases. The aim of this study was to explore whether premastication by healthy caregivers was associated with children's health and behavior. The data were collected as part of the Maternal and Infant Nutrition and Growth study. From 8 cities in China, 1341 pairs of infants/toddlers and their caregivers were recruited...
April 6, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/28382704/hepatitis-e-the-current-state-of-play
#15
REVIEW
M J Ankcorn, R S Tedder
The hepatitis E virus (HEV) is a major cause of acute hepatitis globally. Genotypes 1 and 2 (G1 and G2) are obligate human pathogens transmitted faeco-orally, leading to epidemics in developing countries. In contrast, genotypes 3 and 4 (G3 and G4) have a wider host range, including humans, but are primarily porcine viruses and are transmitted from animals to humans as a food-borne zoonosis when meat from an infected animal is consumed. HEV is increasingly recognised as a problem in developed countries, including countries in Europe...
April 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28377533/nonselective-bottlenecks-control-the-divergence-and-diversification-of-phase-variable-bacterial-populations
#16
Jack Aidley, Shweta Rajopadhye, Nwanekka M Akinyemi, Lea Lango-Scholey, Christopher D Bayliss
Phase variation occurs in many pathogenic and commensal bacteria and is a major generator of genetic variability. A putative advantage of phase variation is to counter reductions in variability imposed by nonselective bottlenecks during transmission. Genomes of Campylobacter jejuni, a widespread food-borne pathogen, contain multiple phase-variable loci whose rapid, stochastic variation is generated by hypermutable simple sequence repeat tracts. These loci can occupy a vast number of combinatorial expression states (phasotypes) enabling populations to rapidly access phenotypic diversity...
April 4, 2017: MBio
https://www.readbyqxmd.com/read/28360100/trans-fatty-acids-promote-proinflammatory-signaling-and-cell-death-by-stimulating-the-apoptosis-signal-regulating-kinase-1-ask1-p38-pathway
#17
Yusuke Hirata, Miki Takahashi, Yuki Kudoh, Kuniyuki Kano, Hiroki Kawana, Kumiko Makide, Yasuharu Shinoda, Yasushi Yabuki, Kohji Fukunaga, Junken Aoki, Takuya Noguchi, Atsushi Matsuzawa
Food-borne trans-fatty acids (TFAs) are mainly produced as byproducts during food manufacture. Recent epidemiological studies have revealed that TFA consumption is a major risk factor for various disorders, including atherosclerosis. However, the underlying mechanisms in this disease etiology are largely unknown. Here, we have shown that TFAs potentiate activation of apoptosis signal-regulating kinase 1 (ASK1) induced by extracellular ATP, a damage-associated molecular pattern (DAMP) leaked from injured cells...
March 29, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28346030/antimicrobial-activity-of-eugenol-and-essential-oils-containing-eugenol-a-mechanistic-viewpoint
#18
Anna Marchese, Ramona Barbieri, Erika Coppo, Ilkay Erdogan Orhan, Maria Daglia, Seyed Fazel Nabavi, Morteza Izadi, Mohammad Abdollahi, Seyed Mohammad Nabavi, Marjan Ajami
Eugenol is a hydroxyphenyl propene, naturally occurring in the essential oils of several plants belonging to the Lamiaceae, Lauraceae, Myrtaceae, and Myristicaceae families. It is one of the major constituents of clove (Syzygium aromaticum (L.) Merr. & L.M. Perry, Myrtaceae) oil and is largely used in both foods and cosmetics as a flavoring agent. A large body of recent scientific evidence supports claims from traditional medicine that eugenol exerts beneficial effects on human health. These effects are mainly associated with antioxidant and anti-inflammatory activities...
March 27, 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28343459/a-retrospective-analysis-of-a-societal-experiment-among-the-danish-population-suggests-that-exposure-to-extra-doses-of-vitamin-a-during-fetal-development-may-lower-type-2-diabetes-mellitus-t2dm-risk-later-in-life
#19
Amélie Keller, Lars Ängquist, Ramune Jacobsen, Allan Vaag, Berit L Heitmann
Vitamin A deficiency has been associated with impaired fetal pancreatic development and increased risk of developing type 2 diabetes mellitus (T2DM). In 1962, mandatory margarine fortification with vitamin A was increased by 25 % in Denmark. We aimed to determine whether offspring of mothers who had been exposed to the extra vitamin A from fortification during pregnancy had a lower risk of developing T2DM in adult life, compared with offspring of mothers exposed to less vitamin A. Individuals from birth cohorts with the higher prenatal vitamin A exposure (born 1 December 1962-31 March 1964) and those with lower prenatal exposure (born 1 September 1959-31 December 1960) were followed up with regard to development of T2DM before 31 December 2012 in the Danish National Diabetes Registry and National Patient Register...
March 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28321791/arcobacter-spp-in-fecal-samples-from-brazilian-farmed-caimans-caiman-yacare-daudin-1802
#20
Maria Gabriela Xavier Oliveira, Leandro Nogueira Pressinotti, Giovane Spínola Carvalho, Mirela Caroline Vilela Oliveira, Luisa Zanolli Moreno, Carlos Emilio Cabrera Matajira, Alessandro Spínola Bergamo, Victor Manuel Aleixo, Alexandre Caixeta Veiga, Elvis de Souza Corsino, Ana Paula Guarnieri Christ, Maria Inês Zanolli Sato, Andrea Micke Moreno, Terezinha Knöbl
The aim of this study was to perform the identification and molecular characterization of Arcobacter cryaerophilus and Arcobacter butzleri isolated from caiman (Caiman yacare), kept at a production farm, in Brazil. Forty fecal samples were analyzed. After isolation and identification, 21/40 strains of A. butzleri and 19/40 strains of A. cryaerophilus were subjected to PCR for potential virulence gene detection. The results of the PCR showed 38/40 strains positive for the cadF, cj1349, ciaB, and tlyA genes, 39/40 strains positive for the pldA gene, and 40/40 strains positive for the mviN gene...
March 21, 2017: Tropical Animal Health and Production
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