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https://www.readbyqxmd.com/read/28109304/traditional-use-and-perception-of-snakes-by-the-nahuas-from-cuetzalan-del-progreso-puebla-mexico
#1
Romina García-López, Alejandro Villegas, Noé Pacheco-Coronel, Graciela Gómez-Álvarez
BACKGROUND: Indigenous cultures are the result of their adaptation to the natural surroundings, in such a way that, amongst their main features is a set of knowledge, technologies and strategies for the appropriation of nature. In Cuetzalan del Progreso, Puebla, Mexico snakes represent 71.1% of the total local herpetofauna; and in addition to this, different groups of Nahuas have shown to have information of their use of various snake species in many ways. This study was conducted to investigate the traditional uses of snakes in this cultural group...
January 21, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28105575/bongkrekic-acid-a-review-of-a-lesser-known-mitochondrial-toxin
#2
REVIEW
Mehruba Anwar, Amelia Kasper, Alaina R Steck, Joshua G Schier
INTRODUCTION: Bongkrekic acid (BA) has a unique mechanism of toxicity among the mitochondrial toxins: it inhibits adenine nucleotide translocase (ANT) rather than the electron transport chain. Bongkrekic acid is produced by the bacterium Burkholderia gladioli pathovar cocovenenans (B. cocovenenans) which has been implicated in outbreaks of food-borne illness involving coconut- and corn-based products in Indonesia and China. Our objective was to summarize what is known about the epidemiology, exposure sources, toxicokinetics, pathophysiology, clinical presentation, and diagnosis and treatment of human BA poisoning...
January 19, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/28077608/-holiday-sickness-reported-exploratory-outcome-of-over-500-united-kingdom-holidaymakers-with-travellers-diarrhoea
#3
Prof Aali J Sheen, M Saad B Zahid, Andrew Fagbemi, Catherine Fullwood, Kathryn Whitehead
AIMS: To ascertain any predictors of potential food poisoning pathogens and development of post-infective irritable bowel syndrome (IBS) in UK travellers. An analysis was undertaken on prospectively collected data on 527 patients reporting symptoms of suspected food poisoning between June 2012 and June 2015. MAIN OUTCOME MEASURES: Positive stool sample indicative of food poisoning pathogens and diagnosis of post-infective IBS. RESULTS: Data on 527 patients were examined...
January 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28074125/shiga-vero-toxin-producing-escherichia-coli-isolated-from-the-hospital-foods-virulence-factors-o-serogroups-and-antimicrobial-resistance-properties
#4
Reza Ranjbar, Mojtaba Masoudimanesh, Farhad Safarpoor Dehkordi, Nematollah Jonaidi-Jafari, Ebrahim Rahimi
BACKGROUND: According to the presence of the weak, diabetic and immunosuppressive patients in hospitals, hospital foods should have a high quality and safety. Cooking a lot of foods higher than daily requirement, storage of cooked foods in an inappropriate condition and presence of nurses and servants in distribution of food to patients are the main reasons caused contamination of hospital foods. Shiga toxigenic Escherichia coli is one of the common cause of food poisoning in hospitals...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28073526/prevalence-of-algal-toxins-in-alaskan-marine-mammals-foraging-in-a-changing-arctic-and-subarctic-environment
#5
Kathi A Lefebvre, Lori Quakenbush, Elizabeth Frame, Kathy Burek Huntington, Gay Sheffield, Raphaela Stimmelmayr, Anna Bryan, Preston Kendrick, Heather Ziel, Tracey Goldstein, Jonathan A Snyder, Tom Gelatt, Frances Gulland, Bobette Dickerson, Verena Gill
Current climate trends resulting in rapid declines in sea ice and increasing water temperatures are likely to expand the northern geographic range and duration of favorable conditions for harmful algal blooms (HABs), making algal toxins a growing concern in Alaskan marine food webs. Two of the most common HAB toxins along the west coast of North America are the neurotoxins domoic acid (DA) and saxitoxin (STX). Over the last 20 years, DA toxicosis has caused significant illness and mortality in marine mammals along the west coast of the USA, but has not been reported to impact marine mammals foraging in Alaskan waters...
May 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073466/quantity-of-the-dinoflagellate-sxta4-gene-and-cell-density-correlates-with-paralytic-shellfish-toxin-production-in-alexandrium-ostenfeldii-blooms
#6
Henna Savela, Kirsi Harju, Lisa Spoof, Elin Lindehoff, Jussi Meriluoto, Markus Vehniäinen, Anke Kremp
Many marine dinoflagellates, including several species of the genus Alexandrium, Gymnodinium catenatum, and Pyrodinium bahamense are known for their capability to produce paralytic shellfish toxins (PST), which can cause severe, most often food-related poisoning. The recent discovery of the first PST biosynthesis genes has laid the foundation for the development of molecular detection methods for monitoring and study of PST-producing dinoflagellates. In this study, a probe-based qPCR method for the detection and quantification of the sxtA4 gene present in Alexandrium spp...
February 2016: Harmful Algae
https://www.readbyqxmd.com/read/28070635/incidence-of-three-kudoa-spp-k-neothunni-k-hexapunctata-and-k-thunni-myxosporea-multivalvulida-in-thunnus-tunas-distributed-in-the-western-pacific-ocean
#7
Akihiro Kasai, Hideaki Tsuduki, Lea Angsinco Jimenez, Ying-Chun Li, Shuhei Tanaka, Hiroshi Sato
A variety of tunas of the genus Thunnus are consumed daily in Japan as sliced raw fish (sashimi and sushi). The consumption of fresh sliced raw fish, i.e., unfrozen or uncooked, can sometimes cause food poisoning that is manifested by transient diarrhea and vomiting for a single day. One of the causes of this type of food poisoning has been identified as live Kudoa septempunctata (Myxosporea: Multivalvulida) in the olive flounder (Paralichthys olivaceus). Furthermore, raw slices of fresh tunas are highly suspected to be a possible causative fish of similar food poisoning in Japan...
January 9, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28064036/effects-of-specimen-size-and-mix-ratio-on-the-nickel-migration-behavior-of-landfill-waste-mixed-mortar
#8
M Aminul Haque
Landfill solid waste management system poses the potential source of silent wide-spread heavy metals like nickel poisoning in the entire ecosystem of nearby environment. Nickel containing demolish solid wastes are disposed at landfill zones to a great extent from where nickel migrate into the food chain through the surface water body as well as groundwater. Consequently, nickel exposure may cause different environmental problems. From this sense, it may be an attractive proposal to recycle the waste as a sustainable product...
January 5, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28053838/evaluation-of-microbial-contamination-and-chemical-qualities-of-cream-filled-pastries-in-confectioneries-of-chaharmahal-va-bakhtiari-province-southwestern-iran
#9
Ali Sharifzadeh, Mohammad Hajsharifi-Shahreza, Payam Ghasemi-Dehkordi
OBJECTIVES: High consumption of bakery products such as cream-filled pastries may cause serious health risks and food poisoning to humans. Therefore, investigation of the microbial and chemical qualities of bakery products containing cream is necessary. The purpose of the present study was to investigate the chemical qualities and microbial contaminations of cream-filled pastries collected from confectioneries located in six cities in Chaharmahal Va Bakhtiari province (Southwestern Iran)...
December 2016: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28052992/cody-promotes-sporulation-and-enterotoxin-production-by-clostridium-perfringens-type-a-strain-sm101
#10
Jihong Li, John C Freedman, Daniel R Evans, Bruce A McClane
Clostridium perfringens type D strains cause enterotoxemia and enteritis in livestock via epsilon toxin production. In type D strain CN3718, CodY was previously shown to increase epsilon toxin production and repress sporulation. C. perfringens type A strains producing enterotoxin (CPE) cause human food poisoning and antibiotic-associated diarrhea. Sporulation is critical for C. perfringens type A food poisoning since spores contribute to transmission and resistance in the harsh food environment and sporulation is essential for CPE production...
January 4, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28042656/the-emetic-activity-of-staphylococcal-enterotoxins-sek-sel-sem-sen-and-seo-in-a-small-emetic-animal-model-house-musk-shrew
#11
Hisaya K Ono, Shouhei Hirose, Ikunori Naito, Yusuke Sato'o, Krisana Asano, Dong-Liang Hu, Katsuhiko Omoe, Akio Nakane
Staphylococcal enterotoxins (SEs) produced by Staphylococcus aureus are the most recognizable causative agents of emetic food poisoning in humans. New types of SEs and SE-like (SEl) toxins have been reported. Several epidemiological investigations have shown that the SEs and SEls genes, particularly, SEK, SEL, SEM, SEN and SEO genes, were highly detected in the strains isolated from food poisoning cases. The purpose of the present study was to evaluate the emetic activity of the recently identified SEs using a small emetic animal model, house musk shrew...
January 2, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28039133/dynamics-of-salmonella-shedding-and-welfare-of-hens-in-free-range-egg-production-systems
#12
V C Gole, R Woodhouse, C Caraguel, T Moyle, J-L Rault, M Sexton, K Chousalkar
: The current study investigated the effect of environmental stressors (weather changes) on Salmonella shedding in free range production systems, and correlations with behavioural and physiological measures (faecal glucocorticoid metabolites). This involved longitudinal and point in time surveys of Salmonella shedding and environmental contamination on four commercial free range layer farms. The shedding of Salmonella was variable across free range farms and in different seasons. There were no significant effects of season on the Salmonella prevalence during this investigation...
December 30, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28036110/detection-and-molecular-characterisation-of-livestock-associated-mrsa-in-raw-meat-on-retail-sale-in-north-west-england
#13
Andrew Fox, Bruno Pichon, Hayley Wilkinson, Michel Doumith, Robert L R Hill, Jim McLauchlin, Angela M Kearns
Limited data are available on the prevalence of livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in the UK. We tested 124 raw meat samples for MRSA including pork (n=63), chicken (n=50) and turkey (n=11) collected from retail outlets in North West England between March and July 2015. MRSA was recovered from 9 (7.3%) samples (4 chicken, 3 pork, 2 turkey) from different butchers and supermarkets. Four were labelled of UK origin, 3 were from continental Europe; the origin was not specified for 2...
December 30, 2016: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28035601/epidemiological-relationships-of-campylobacter-jejuni-strains-isolated-from-humans-and-chickens-in-south-korea
#14
Jae-Young Oh, Yong-Kuk Kwon, Bai Wei, Hyung-Kwan Jang, Suk-Kyung Lim, Cheon-Hyeon Kim, Suk-Chan Jung, Min-Su Kang
Thirty-nine human isolates of Campylobacter jejuni obtained from a national university hospital during 2007-2010 and 38 chicken isolates of C. jejuni were collected from poultry farms during 2009-2010 in South Korea were used in this study. Campylobacter genomic species and virulence-associated genes were identified by PCR. Pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) were performed to compare their genetic relationships. All isolates were highly resistant to ciprofloxacin, nalidixic acid, and tetracycline...
January 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28028960/detection-of-salmonella-in-foods-using-a-reference-pn-iso-method-and-an-alternative-method-based-on-loop-mediated-isothermal-amplification-coupled-with-bioluminescence
#15
Jolanta Sarowska, Magdalena Frej-Mądrzak, Agnieszka Jama-Kmiecik, Anna Kilian, Dorota Teryks-Wołyniec, Irena Choroszy-Król
BACKGROUND: Salmonella, one of the primary indicators of food safety, is a common cause of food poisoning of an epidemic nature around the world. These microorganisms can colonize the gastrointestinal tract of both people and animals, and next contaminate not only eggs, milk, meat and dairy products, but also vegetables, fruit, grains and even spices. OBJECTIVES: The aim of this study was to analyze the frequency of detection of Salmonella spp. in food samples using a reference PN-ISO method and an alternative method based on loop-mediated isothermal amplification (LAMP) coupled with bioluminescence...
September 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28005215/arsenic-a-review-on-exposure-pathways-accumulation-mobility-and-transmission-into-the-human-food-chain
#16
REVIEW
Beste Arslan, Mustafa B A Djamgoz, Ertan Akün
This review deals with exposure pathways of arsenic (As), as well as its transfer and uptake processes from its source to the human body. It is proven fact that uptake of inorganic As for a long period can lead to chronic As poisoning and a variety of adverse health effects such as skin, lung and bladder cancer, in addition to cardiovascular diseases, diabetes and gastrointestinal symptoms. As exposure occurs primarily from consumption of potable water containing high amounts of inorganic As and also from consumption of crops cultivated in As contaminated agricultural fields-either naturally or anthropogenically through contaminated air or pesticides-or irrigated with As containing water...
December 23, 2016: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28003063/increased-potential-for-wound-activated-production-of-prostaglandin-e2-and-related-toxic-compounds-in-non-native-populations-of-gracilaria-vermiculophylla
#17
Mareike Hammann, Martin Rempt, Georg Pohnert, Gaoge Wang, Sung Min Boo, Florian Weinberger
The capacity of the East Asian seaweed Gracilaria vermiculophylla ("Ogonori") for production of prostaglandin E2 from arachidonic acid occasionally causes food poisoning after ingestion. During the last two decades the alga has been introduced to Europe and North America. Non-native populations have been shown to be generally less palatable to marine herbivores than native populations. We hypothesized that the difference in palatability among populations could be due to differences in the algal content of prostaglandins...
January 2016: Harmful Algae
https://www.readbyqxmd.com/read/28003058/effect-of-the-endoparasite-amoebophrya-sp-on-toxin-content-and-composition-in-the-paralytic-shellfish-poisoning-dinoflagellate-alexandrium-fundyense-dinophyceae
#18
Sunju Kim, Myung Gil Park
Members of the Amoebophrya ceratii complex are endoparasitic dinoflagellates that parasitize a number of their dinoflagellate relatives, including toxic and/or harmful algal bloom-forming species. Despite many studies on the occurrence, prevalence, biology and molecular phylogeny of Amoebophrya spp., little attention has been given to toxin dynamics of host population following parasitism. Using Amoebophrya sp. infecting the paralytic shellfish toxin (PSP)-producing dinoflagellate Alexandrium fundyense, we addressed the following questions: (1) does parasitism by Amoebophrya sp...
January 2016: Harmful Algae
https://www.readbyqxmd.com/read/27998852/-isolation-identification-and-lead-adsorption-study-of-lead-resistant-lactobacillus-casei-strains-from-feces-of-healthy-newborns
#19
Wei Shen, Qin-Fei Yu, Yu-Hao Wang, Yi-Duo Zhang, Xiao-Jing Meng, Hong-Ying Fan
OBJECTIVE: To isolate and identify lead-resistant Lactobacillus casei strains with lead adsorption ability from the stool of healthy newborns as a new source of bacteria for developing lead-eliminating food products. METHODS: MRS was used to isolate lead-resistant bacteria from the feces of 30 healthy and full-term neonates. A phylogenetic tree was constructed based on the morphological characteristics and 16S rRNA sequences of the isolated bacteria. Physiological and biochemical characterizations of the bacteria were performed according to the Berger's Systematic Bacteriology Handbook, followed by antimicrobial susceptibility test and acid-tolerant bile salt test...
December 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27997286/kounis-syndrome-following-canned-tuna-fish-ingestion
#20
Luisa De Gennaro, Natale Daniele Brunetti, Nicola Locuratolo, Massimo Ruggiero, Manuela Resta, Giuseppe Diaferia, Michele Rana, Pasquale Caldarola
Kounis syndrome (KS) is a complex of cardiovascular symptoms and signs following either allergy or hypersensitivity and anaphylactic or anaphylactoid insults. We report the case of 57-year-old man, with hypertension and history of allergy, referred for facial rash and palpitations appeared after consumption of canned tuna fish. Suddenly, the patient collapsed: electrocardiogram showed ST-elevation in inferior leads. The patient was transferred from the spoke emergency room for coronary angio, which did not show any sign of coronary atherosclerosis...
December 20, 2016: Acta Clinica Belgica
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