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https://www.readbyqxmd.com/read/27903280/a-critical-review-of-the-current-knowledge-regarding-the-biological-impact-of-nanocellulose
#1
REVIEW
C Endes, S Camarero-Espinosa, S Mueller, E J Foster, A Petri-Fink, B Rothen-Rutishauser, C Weder, M J D Clift
Several forms of nanocellulose, notably cellulose nanocrystals and nanofibrillated cellulose, exhibit attractive property matrices and are potentially useful for a large number of industrial applications. These include the paper and cardboard industry, use as reinforcing filler in polymer composites, basis for low-density foams, additive in adhesives and paints, as well as a wide variety of food, hygiene, cosmetic, and medical products. Although the commercial exploitation of nanocellulose has already commenced, little is known as to the potential biological impact of nanocellulose, particularly in its raw form...
December 1, 2016: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/27899155/comparative-sequence-analysis-of-cyclospora-cayetanensis-apicoplast-genomes-originating-from-diverse-geographical-regions
#2
Hediye Nese Cinar, Yvonne Qvarnstrom, Yuping Wei-Pridgeon, Wen Li, Fernanda S Nascimento, Michael J Arrowood, Helen R Murphy, AhYoung Jang, Eunje Kim, RaeYoung Kim, Alexandre da Silva, Gopal R Gopinath
BACKGROUND: Cyclospora cayetanensis is an emerging coccidian parasite that causes endemic and epidemic diarrheal disease called cyclosporiasis, and this infection is associated with consumption of contaminated produce or water in developed and developing regions. Food-borne outbreaks of cyclosporiasis have occurred almost every year in the USA since the 1990s. Investigations of these outbreaks are currently hampered due to lack of molecular epidemiological tools for trace back analysis...
November 29, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27892875/the-zoonotic-potential-of-lactococcus-garvieae-an-overview-on-microbiology-epidemiology-virulence-factors-and-relationship-with-its-presence-in-foods
#3
REVIEW
Alicia Gibello, Fátima Galán-Sánchez, M Mar Blanco, Manuel Rodríguez-Iglesias, Lucas Domínguez, José F Fernández-Garayzábal
Lactococcus garvieae is a relevant worldwide fish pathogen affecting various farmed and wild marine and freshwater species. It has also been isolated from other animals, such as ruminants with subclinical mastitis and pigs with pneumonia. From the early 90s, L. garvieae has been associated with different human infections, mainly endocarditis. During the last five years, human infections by this bacterium appear to be increasing, likely due to the improvement in microbiological methods for bacterial identification and the alertness of this bacterium by physicians...
September 17, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27886128/worldwide-mycotoxins-exposure-in-pig-and-poultry-feed-formulations
#4
REVIEW
Philippe Guerre
The purpose of this review is to present information about raw materials that can be used in pig and poultry diets and the factors responsible for variations in their mycotoxin contents. The levels of mycotoxins in pig and poultry feeds are calculated based on mycotoxin contamination levels of the raw materials with different diet formulations, to highlight the important role the stage of production and the raw materials used can have on mycotoxins levels in diets. Our analysis focuses on mycotoxins for which maximum tolerated levels or regulatory guidelines exist, and for which sufficient contamination data are available...
November 24, 2016: Toxins
https://www.readbyqxmd.com/read/27885561/outbreak-of-severe-pseudorabies-virus-infection-in-pig-offal-fed-farmed-mink-in-liaoning-province-china
#5
Hao Liu, Xin-Tong Li, Bo Hu, Xiao-Yu Deng, Lei Zhang, Shi-Zhen Lian, Hai-Ling Zhang, Shuang Lv, Xiang-Hong Xue, Rong-Guang Lu, Ning Shi, Ming-Hao Yan, Peng-Peng Xiao, Xi-Jun Yan
An outbreak of severe pseudorabies virus (PRV) infection in farmed mink occurred in northern China in late 2014, causing significant economic losses in the local fur industry. Here, we report the first case of a PRV outbreak in mink in northeastern China, caused by feeding farmed mink with raw pork or organs contaminated by PRV. Mink infected with virulent PRV exhibited diarrhea, neurologic signs, and higher mortality, which can be misdiagnosed as highly pathogenic mink enteritis virus (MEV), canine distemper virus (CDV), and food poisoning...
November 24, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27884785/viable-but-non-culturable-state-and-toxin-gene-expression-of-enterohemorrhagic-escherichia-coli-o157-under-cryopreservation
#6
Junyan Liu, Rong Zhou, Lin Li, Brian M Peters, Bing Li, Chii-Wann Lin, Tsung-Liang Chuang, Dingqiang Chen, Xihong Zhao, Zhiyong Xiong, Zhenbo Xu, Mark E Shirtliff
As major food-borne pathogens worldwide, Escherichia coli are capable of toxin production directly causing severe human disease. However, routine methods are incapable of detecting viable but non-culturable (VBNC) bacteria in food products and raw materials, leading to false-negative identification. In this study, VBNC E. coli O157 strains were acquired after cryopreservation at -20 °C, with and without freeze-thawing; morphology was observed to be of shorter rod-shape, and toxin expression remained at relatively high levels...
November 21, 2016: Research in Microbiology
https://www.readbyqxmd.com/read/27884771/rapid-detection-of-salmonella-in-raw-chicken-breast-using-real-time-pcr-combined-with-immunomagnetic-separation-and-whole-genome-amplification
#7
Ji-Yeon Hyeon, Xiangyu Deng
We presented the first attempt to combine immunomagnetic separation (IMS), whole genome amplification by multiple displacement amplification (MDA) and real-time PCR for detecting a bacterial pathogen in a food sample. This method was effective in enabling real-time PCR detection of low levels of Salmonella enterica Serotype Enteritidis (SE) (∼10 CFU/g) in raw chicken breast without culture enrichment. In addition, it was able to detect refrigeration-stressed SE cells at lower concentrations (∼0.1 CFU/g) in raw chicken breast after a 4-h culture enrichment, shortening the detection process from days to hours and displaying no statistical difference in detection rate in comparison with a culture-based detection method...
November 20, 2016: Food Microbiology
https://www.readbyqxmd.com/read/27873733/food-allergy-to-the-carbohydrate-galactose-alpha-1-3-galactose-alpha-gal-four-case-reports-and-a-review
#8
Andreas J Bircher, Kathrin Scherer Hofmeier, Susanne Link, Ingmar Heijnen
Until recently, food allergies to mammalian meats have been considered to be very rare. The observation that patients not previously exposed to the monoclonal chimeric antibody cetuximab suffered from severe anaphylaxis upon first exposure, led to the identification of galactose-alpha-1,3-galactose as a new relevant carbohydrate allergen. These patients later often suffered from anaphylactic reactions to red meat. Epidemiological data indicated that bites by the tick Amblyomma americanum in the USA, later also by Ixodes species in other continents, resulted in sensitisation to alpha-gal...
November 21, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27872967/l-methionine-production
#9
Jihyun Shim, Yonguk Shin, Imsang Lee, So Young Kim
L-Methionine has been used in various industrial applications such as the production of feed and food additives and has been used as a raw material for medical supplies and drugs. It functions not only as an essential amino acid but also as a physiological effector, for example, by inhibiting fat accumulation and enhancing immune response. Producing methionine from fermentation is beneficial in that microorganisms can produce L-methionine selectively using eco-sustainable processes. Nevertheless, the fermentative method has not been used on an industrial scale because it is not competitive economically compared with chemical synthesis methods...
November 22, 2016: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/27872964/toward-sustainable-amino-acid-production
#10
Yoshihiro Usuda, Yoshihiko Hara, Hiroyuki Kojima
Because the global amino acid production industry has been growing steadily and is expected to grow even more in the future, efficient production by fermentation is of great importance from economic and sustainability viewpoints. Many systems biology technologies, such as genome breeding, omics analysis, metabolic flux analysis, and metabolic simulation, have been employed for the improvement of amino acid-producing strains of bacteria. Synthetic biological approaches have recently been applied to strain development...
November 22, 2016: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/27872818/de-novo-transcriptome-assembly-of-schisandra-chinensis-turcz-baill
#11
Zhang Qing-Tian, Fan Shu-Tian, Yang Yi-Ming, Xu Pei-Lei, Ai Jun
The fruit of Schisandra chinensis Turcz. (Baill.), namely "Wuweizi" in China, is a well-known herbal medicine and health food. At present, research focused on the extraction of effective chemical component and function identification. Little known about the secondary metabolism gene pathway of chemical composition. Its fruit color usually red, however, the white fruit color variation has been found. It made us interested in exploring which gene change lead to this result. In order to understand the genetic background of S...
December 2016: Genomics Data
https://www.readbyqxmd.com/read/27870984/prevalence-and-molecular-characterization-of-clostridium-difficile-isolates-from-a-pig-slaughterhouse-pork-and-humans-in-taiwan
#12
Ying-Chen Wu, Chih-Ming Chen, Chih-Jung Kuo, Jen-Jie Lee, Pin-Chun Chen, Yi-Chih Chang, Ter-Hsin Chen
Clostridium difficile causes antibiotic-associated diarrhea in both humans and animals. The ribotype 078, predominant in food animals, is associated with community-acquired C. difficile infection, and C. difficile is suggested to be a foodborne pathogen. Recently, the C. difficile ribotype 078 lineage emerged in patients and pigs in Taiwan. This study aimed to investigate the prevalence and molecular characterization of C. difficile isolated from a pig slaughterhouse, retail meat, ready-to-eat meals, and humans in Taiwan...
November 12, 2016: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27869756/a-review-of-temperature-ph-and-other-factors-that-influence-the-survival-of-salmonella-in-mayonnaise-and-other-raw-egg-products
#13
REVIEW
Thilini Piushani Keerthirathne, Kirstin Ross, Howard Fallowfield, Harriet Whiley
Salmonellosis is one of the main causes of foodborne illnesses worldwide, with outbreaks predominately linked to contamination of eggs and raw egg products, such as mayonnaise. This review explores previous studies that have investigated Salmonella control mechanisms utilized in the production of raw egg mayonnaise and other food products. Apart from the use of pasteurized eggs, the main control mechanism identified is the pH of the raw egg products, which plays an important role in the consistency and stability while affecting the survival of Salmonella spp...
November 18, 2016: Pathogens
https://www.readbyqxmd.com/read/27869751/effects-of-power-ultrasound-on-stability-of-cyanidin-3-glucoside-obtained-from-blueberry
#14
Guang-Long Yao, Xing-Hui Ma, Xian-Yin Cao, Jian Chen
Power ultrasound (US) could potentially be used in the food industry in the future. However, the extent of anthocyanin degradation by US requires investigation. Cyanidin-3-glucoside (Cy-3-glu) obtained from blueberry extracts was used as research material to investigate the effect of power ultrasound on food processing of anthocyanin-rich raw materials. The effects of ultrasonic waves on the stability of Cy-3-glu and on the corresponding changes in UV-Vis spectrum and antioxidant activity were investigated, and the mechanisms of anthocyanin degradation induced by ultrasonic waves were discussed...
November 18, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27867272/oryza-sativa-rice-hull-extract-inhibits-lipopolysaccharide-induced-inflammatory-response-in-raw264-7-macrophages-by-suppressing-extracellular-signal-regulated-kinase-c-jun-n-terminal-kinase-and-nuclear-factor-%C3%AE%C2%BAb-activation
#15
Sang Keun Ha, Jeehye Sung, Inwook Choi, Yoonsook Kim
BACKGROUND: Rice (Oryza sativa) is a major cereal crop in many Asian countries and an important staple food source. Rice hulls have been reported to possess antioxidant activities. MATERIALS AND METHODS: In this study, we evaluated the antiinflammatory effects of rice hull extract and associated signal transduction mechanisms in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. RESULTS: We found that rice hull extract inhibited nitric oxide (NO) and prostaglandin E2 by suppressing the expression of inducible NO synthase and cyclooxygenase-2, respectively...
October 2016: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/27866604/impact-of-bio-nanogold-on-seed-germination-and-seedling-growth-in-pennisetum-glaucum
#16
Asra Parveen, Bi Bi Zainab Mazhari, Srinath Rao
Nanotechnology is leading towards the development of low cost applications to improve the cultivation and growth of plants. The use of nanotechnology in agriculture will leads to a significant effect on food industry along with opening a new area of research in agroecosystem. In this paper gold nanoparticles were biosynthesized with Cassia auriculata leaf extract at room temperature and characterized by UV-vis spectroscopy, X-ray diffraction and transmission electron microscopy. The objective of this study was to investigate effect of synthesized bio-nanogold on an important food and biofuel producing plant Pennisetum glaucum...
December 2016: Enzyme and Microbial Technology
https://www.readbyqxmd.com/read/27860343/isolation-of-campylobacter-spp-from-client-owned-dogs-and-cats-and-retail-raw-meat-pet-food-in-the-manawatu-new-zealand
#17
K Bojanić, A C Midwinter, J C Marshall, L E Rogers, P J Biggs, E Acke
Campylobacter causes acute gastroenteritis in people worldwide and is frequently isolated from food, animals and the environment. The disease is predominately food-borne but many routes of transmission and sources of infection have been described, including contact with pets. The prevalence of Campylobacter spp. in dogs and cats varies widely, and data on New Zealand pets are limited. This study aimed to investigate the prevalence of Campylobacter spp. in dogs, cats and retail raw meat pet food products in New Zealand and to characterize Campylobacter jejuni isolates using multilocus sequence typing (MLST)...
November 12, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/27853118/traditional-living-habits-of-the-taz-tundra-population-a-paleoparasitological-study
#18
Sergey Mikhailovich Slepchenko, Sergey Nikolaevich Ivanov, Bagashev Anatoly Nikolaevich, Tsybankov Alexander Alekseevich, Slavinsky Vyacheslav Sergeyevich
An excavation of the Vesakoyakha II-IV and Nyamboyto I burial grounds was conducted during the 2014 field season, and soil samples from intact burials dating from the 19th and 20th centuries, respectively, were analyzed to determine interactions between parasites and host/vectors. Considering the discovery of Diphyllobothrium sp. and Taenia sp. eggs in soil samples from the pelvic region, diphyllobothriasis was the most frequent helminthic infection among the Taz Nenets. The Nyamboyto Nenets mainly consumed uncooked fish, while the Vesakoyakha Nenets had a bigger variety in food choices, including reindeer meat...
October 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/27846826/natural-product-htp-screening-for-antibacterial-e-coli-0157-h7-and-anti-inflammatory-agents-in-lps-from-e-coli-o111-b4-activated-macrophages-and-microglial-cells-focus-on-sepsis
#19
Elizabeth A Mazzio, Nan Li, David Bauer, Patricia Mendonca, Equar Taka, Mohammed Darb, Leeshawn Thomas, Henry Williams, Karam F A Soliman
BACKGROUND: Acute systemic inflammatory response syndrome arising from infection can lead to multiple organ failure and death, with greater susceptibility occurring in immunocompromised individuals. Moreover, sub-acute chronic inflammation is a contributor to the pathology of diverse degenerative diseases (Parkinson's disease, Alzheimer's disease and arthritis). Given the known limitations in Western medicine to treat a broad range of inflammatory related illness as well as the emergence of antibiotic resistance, there is a renewed interest in complementary and alternative medicines (CAMs) to achieve these means...
November 15, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27842963/environmental-impacts-of-milk-powder-and-butter-manufactured-in-the-republic-of-ireland
#20
William Finnegan, Jamie Goggins, Eoghan Clifford, Xinmin Zhan
The abolition of the milk quota system that was in place in Europe was abolished in 2015, which instigated an immediate increase in milk production in many European countries. This increase will aid in addressing the world's ever growing demand for food, but will incur increased stresses on the environmental impact and sustainability of the dairy industry. In this study, an environmental life cycle assessment was performed in order to estimate the environmental impacts associated with the manufacture of milk powder and butter in the Republic of Ireland...
November 11, 2016: Science of the Total Environment
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