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https://www.readbyqxmd.com/read/28933771/sulfur-protects-pakchoi-brassica-chinensis-l-seedlings-against-cadmium-stress-by-regulating-ascorbate-glutathione-metabolism
#1
Lili Lou, Jingquan Kang, Hongxi Pang, Qiuyu Li, Xiaoping Du, Wei Wu, Junxiu Chen, Jinyin Lv
Cadmium (Cd) pollution in food chains pose a potential health risk for humans. Sulfur (S) is a significant macronutrient that plays a significant role in the regulation of plant responses to diverse biotic and abiotic stresses. However, no information is currently available about the impact of S application on ascorbate-glutathione metabolism (ASA-GSH cycle) of Pakchoi plants under Cd stress. The two previously identified genotypes, namely, Aikangqing (a Cd-tolerant cultivar) and Qibaoqing (a Cd-sensitive cultivar), were utilized to investigate the role of S to mitigate Cd toxicity in Pakchoi plants under different Cd regimes...
July 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28933343/the-european-medical-corps-first-public-health-team-mission-and-future-perspectives
#2
Joana M Haussig, Ettore Severi, Jonathan Hj Baum, Veerle Vanlerberghe, Amparo Laiseca, Laurent Defrance, Cristina Brailescu, Denis Coulombier, Josep Jansa
The 2013-2016 Ebola epidemic in West Africa challenged traditional international mechanisms for public health team mobilisation to control outbreaks. Consequently, in February 2016, the European Union (EU) launched the European Medical Corps (EMC), a mechanism developed in collaboration with the World Health Organization (WHO) to rapidly deploy teams and equipment in response to public health emergencies inside and outside the EU. Public Health Teams (PHTs), a component of the EMC, consist of experts in communicable disease prevention and control from participating countries and the European Centre for Disease Prevention and Control (ECDC), to support affected countries and WHO in risk assessment and outbreak response...
September 14, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28931736/the-influence-of-stress-hormones-and-aggression-on-cooperative-behaviour-in-subordinate-meerkats
#3
Ben Dantzer, Ines Braga Goncalves, Helen C Spence-Jones, Nigel C Bennett, Michael Heistermann, Andre Ganswindt, Constance Dubuc, David Gaynor, Marta B Manser, Tim H Clutton-Brock
In cooperative breeders, aggression from dominant breeders directed at subordinates may raise subordinate stress hormone (glucocorticoid) concentrations. This may benefit dominants by suppressing subordinate reproduction but it is uncertain whether aggression from dominants can elevate subordinate cooperative behaviour, or how resulting changes in subordinate glucocorticoid concentrations affect their cooperative behaviour. We show here that the effects of manipulating glucocorticoid concentrations in wild meerkats (Suricata suricatta) on cooperative behaviour varied between cooperative activities as well as between the sexes...
September 27, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28929574/metabolite-and-transcript-markers-for-the-prediction-of-potato-drought-tolerance
#4
Heike Sprenger, Alexander Erban, Sylvia Seddig, Katharina Rudack, Anja Thalhammer, Mai Q Le, Dirk Walther, Ellen Zuther, Karin I Köhl, Joachim Kopka, Dirk K Hincha
Potato (Solanum tuberosum L.) is one of the most important food crops worldwide. Current potato varieties are highly susceptible to drought stress. In view of global climate change, selection of cultivars with improved drought tolerance and high yield potential is of paramount importance. Drought tolerance breeding of potato is currently based on direct selection according to yield and phenotypic traits and requires multiple trials under drought conditions. Marker-assisted selection (MAS) is cheaper, faster and reduces classification errors caused by non-controlled environmental effects...
September 20, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28928523/influence-of-ph-and-salt-concentration-on-functional-properties-of-walnut-protein-from-different-extraction-methods
#5
Haifang Hu, Tao Fan, Xiaoyan Zhao, Xiaowei Zhang, Yali Sun, Hongkai Liu
The effect of pH and NaCl on solubility and functional properties of walnut proteins obtained through AOT reverse micelles, enzyme-assisted reverse micelles and aqueous phase extraction methods was investigated and compared. Extraction yield, foaming properties, water holding capacities of protein obtained through enzyme-assisted reverse micelles at pH 2-12 and NaCl concentration 0.1-1 M were significantly higher than those of the AOT reverse micelles and aqueous phase extracted two. The solubility of proteins by AOT reverse micelles and enzyme-assisted reverse micelles at certain pH and NaCl concentration had no significant difference, but was higher that of the aqueous buffer...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28927400/genome-sequencing-of-the-staple-food-crop-white-guinea-yam-enables-the-development-of-a-molecular-marker-for-sex-determination
#6
Muluneh Tamiru, Satoshi Natsume, Hiroki Takagi, Benjamen White, Hiroki Yaegashi, Motoki Shimizu, Kentaro Yoshida, Aiko Uemura, Kaori Oikawa, Akira Abe, Naoya Urasaki, Hideo Matsumura, Pachakkil Babil, Shinsuke Yamanaka, Ryo Matsumoto, Satoru Muranaka, Gezahegn Girma, Antonio Lopez-Montes, Melaku Gedil, Ranjana Bhattacharjee, Michael Abberton, P Lava Kumar, Ismail Rabbi, Mai Tsujimura, Toru Terachi, Wilfried Haerty, Manuel Corpas, Sophien Kamoun, Günter Kahl, Hiroko Takagi, Robert Asiedu, Ryohei Terauchi
BACKGROUND: Root and tuber crops are a major food source in tropical Africa. Among these crops are several species in the monocotyledonous genus Dioscorea collectively known as yam, a staple tuber crop that contributes enormously to the subsistence and socio-cultural lives of millions of people, principally in West and Central Africa. Yam cultivation is constrained by several factors, and yam can be considered a neglected "orphan" crop that would benefit from crop improvement efforts...
September 19, 2017: BMC Biology
https://www.readbyqxmd.com/read/28924086/ultrasound-assisted-synthesis-of-hydroxylated-soybean-lecithin-from-crude-soybean-lecithin-as-an-emulsifier
#7
Pranali P Chiplunkar, Amit P Pratap
Soybean lecithin is a by-product obtained during degumming step of crude soybean oil refining. Crude soybean lecithin (CSL) contains major amount of phospholipids (PLs) along with minor amount of acylglycerols, bioactive components, etc. Due to presence of PLs, CSL can be used as an emulsifier. Crude soybean lecithin (CSL) was utilized to synthesize hydroxylated soybean lecithin (HSL) by hydroxylation using hydrogen peroxide and catalytic amount of lactic acid to enhance the hydrophilicity and emulsifying properties of CSL...
September 15, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28917898/physicochemical-characterization-antioxidant-activity-of-polysaccharides-from-mesona-chinensis-benth-and-their-protective-effect-on-injured-nctc-1469-cells-induced-by-h2o2
#8
Wei Tang, Mingyue Shen, Jianhua Xie, Dan Liu, Mengxia Du, Lihua Lin, He Gao, Bruce R Hamaker, Mingyong Xie
Polysaccharides MP-A, MP-U and MP-C were extracted from Mesona chinensis Benth by hot-alkali extraction (HAE), ultrasonic-assisted extraction (UAE) and cellulose-enzyme assisted extraction (CAE), respectively. The yields, physicochemical properties and antioxidant of polysaccharides were investigated. Results showed that the yields of MP-A (11.14%), MP-U (10.62%) and MP-C (9.70%) were similar, and they were all heteropolysaccharides with average molecular weights of 1.9×10(5)Da, 1.5×10(5)Da, 1.4×10(5)Da...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28911634/extraction-and-quantification-of-polyphenols-from-kinnow-citrus-reticulate-l-peel-using-ultrasound-and-maceration-techniques
#9
Muhammad N Safdar, Tusneem Kausar, Saqib Jabbar, Amer Mumtaz, Karam Ahad, Ambreen A Saddozai
An investigation was carried out to extract polyphenols from the peel of kinnow (Citrus reticulate L.) by maceration and ultrasound-assisted extraction (UAE) techniques. The antioxidant potential of these polyphenols was evaluated using ferric reducing antioxidant power (FRAP), 2,2-diphenyl-1-picrylhydrazyl (DPPH), and superoxide radical scavenging assays; and their antimicrobial activity was assessed against bacterial strains Staphyloccoccus aureus, Bacillus cereus, and Salmonella typhimurium. The highest extraction yield was obtained through the solvent ethanol at 80% concentration level, whereas UAE was a more efficient technique and yielded comparatively higher polyphenol contents than maceration...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911341/rapid-detection-of-staphylococcus-aureus-and-related-species-isolated-from-food-environment-cosmetics-a-medical-device-and-clinical-samples-using-the-vitek-ms-microbial-identification-system
#10
Irshad M Sulaiman, Pratik Banerjee, Ying-Hsin Hsieh, Nancy Miranda, Steven Simpson, Khalil Kerdahi
Staphylococcus spp. is considered as one of the most common human-pathogenic bacteria, causing illnesses ranging from nonthreatening skin infections to lethal diseases, including sepsis, pneumonia, bloodstream infections, and food poisoning. The emergence of methicillin-resistant Staphylococcus aureus strains has increased morbidity and mortality and resulted in a major healthcare burden worldwide. Single and multilocus sequence typing have been extensively used in the identification of Staphylococcus species...
September 15, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28911188/diversity-of-ochrobactrum-species-in-food-animals-antibiotic-resistance-phenotypes-and-polymorphisms-in-the-blaoch-gene
#11
Carla Andrea Alonso, Yakubu A Kwabugge, Madubuike U Anyanwu, Carmen Torres, Kennedy F Chah
Twenty-six lactose non-fermenting, oxidase, urease and citrate-positive Gram-negative rods, isolated from broiler chickens, pigs and cattle at slaughter, were subjected to the matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry and 16S rDNA sequencing for identification. Susceptibility to 14 antimicrobials was determined by the disc diffusion method. Ochrobactrum isolates resistant to third-generation cephalosporins were PCR-screened for the presence of the Ochrobactrum anthropi ampC gene (blaOCH)...
September 15, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28910177/development-and-validation-of-a-brief-measure-of-eating-compulsivity-mec
#12
Ria Schroder, John Douglas Sellman, Simon Adamson
Food addiction is increasingly being recognised as a contributory factor in overweight and obesity. Management of eating compulsivity, a key component of food addiction, may assist greatly in the successful treatment of obesity. Measurement of food addiction and its core characteristic of eating compulsivity is fundamental to increasing understandings of the concept of food addiction, its prevalence among people with and without obesity and its utility within a treatment context. The current study describes the development and initial validation of a brief measure of eating compulsivity that can be used within clinical and research settings to establish a person's level of eating compulsivity...
September 14, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28910145/the-clinical-pharmacokinetics-of-amphetamines-utilized-in-the-treatment-of-attention-deficit-hyperactivity-disorder
#13
John S Markowitz, Kennerly S Patrick
Amphetamine (AMP), an indirectly acting psychostimulant approved for the treatment of attention-deficit/hyperactivity disorder (ADHD) in children, adolescents, and adults, is among the most long-standing therapeutic agents in all of clinical psychopharmacology. This review focuses on AMP absorption, metabolism, and elimination brought to bear on comparative pharmacokinetics in its various formulations. A comprehensive search of the published literature was conducted using MEDLINE (PubMed) and Google Scholar databases through April 2017 to retrieve all pertinent in vitro and human studies for review and synthesis...
September 14, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28906569/prevalence-and-socio-demographic-predictors-of-food-insecurity-among-regional-and-remote-western-australian-children
#14
Stephanie Godrich, Johnny Lo, Christina Davies, Jill Darby, Amanda Devine
OBJECTIVE: Inequities can negatively impact the health outcomes of children. The aims of this study were to: i) ascertain the prevalence of food insecurity (FI) among regional and remote Western Australian (WA) children; and ii) determine which socio-demographic factors predicted child FI. METHODS: Caregiver-child dyads (n=219) completed cross-sectional surveys. Descriptive statistics and logistic regression analyses were conducted using IBM SPSS version 23. RESULTS: Overall, 20...
September 14, 2017: Australian and New Zealand Journal of Public Health
https://www.readbyqxmd.com/read/28906555/application-of-power-ultrasound-on-the-convective-drying-of-fruits-and-vegetables-effects-on-quality
#15
REVIEW
Óscar Rodríguez, Valeria Eim, Carmen Rosselló, Antoni Femenia, Juan A Cárcel, Susana Simal
Drying allows the obtaining of products with a long shelf life by reducing the water activity to a level low enough for the growth of microorganisms, enzymatic reactions, and other deteriorative reactions to be inhibited. Despite the benefits of this operation, the quality of heat sensitive products is diminished when high temperatures are used. The use of low drying temperatures reduces the heat damage but being the drying time longer, oxidation reactions occur and a reduction of the quality is also observed...
September 14, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28903168/-sharing-bacterial-microbiota-between-owners-and-their-pets-dogs-cats
#16
Jan Wipler, Zuzana Čermáková, Tomáš Hanzálek, Hana Horáková, Helena Žemličková
INTRODUCTION: The microbiological aspect of a relationship between pets (dogs/cats) and their owners is mainly concerned with the incidence of shared bacterial species, in particular potential pathogens. Given the great popularity of sharing homes with pets (dogs/cats) in the Czech Republic, there is an increased possibility of communication between microbiota of the two macroorganisms (pet and owner). The aim of the study was to determine the biodiversity of shared bacteria and possibility of exchange of genes of resistance to antimicrobial agents between potential pathogens based on the close relationship between pets and humans...
June 2017: Klinická Mikrobiologie a Infekc̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28902479/support-for-healthy-eating-at-schools-according-to-the-comprehensive-school-health-framework-evaluation-during-the-early-years-of-the-ontario-school-food-and-beverage-policy-implementation
#17
Taryn Orava, Steve Manske, Rhona Hanning
INTRODUCTION: Provincial, national and international public health agencies recognize the importance of school nutrition policies that help create healthful environments aligned with healthy eating recommendations for youth. School-wide support for healthy living within the pillars of the comprehensive school health (CSH) framework (social and physical environments; teaching and learning; healthy school policy; and partnerships and services) has been positively associated with fostering improvements to student health behaviours...
September 2017: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/28898566/comparison-of-spray-deposition-loss-and-residue-of-azoxystrobin-and-tebuconazole-in-sunlit-greenhouse-tomato-and-field-cucumber-of-a-new-air-assisted-sprayer-and-two-conventional-sprayers
#18
Yanjie Li, Yifan Li, Xiang Pan, Qing X Li, Ronghua Chen, Xuesheng Li, Canping Pan, Jianli Song
BACKGROUND: Plant protection products (PPPs) are applied in China and many other developing countries with knapsack sprayers at high volumes with coarse spray quality resulting in high percentage of pesticide losses. In this study, a new air-assisted electric knapsack sprayer and two conventional knapsack sprayers were evaluated by pesticide deposition, residues and loss into the soil. Artificial targets fixed on the upper side and underside of leaves surface in six zones (two depths and three heights) were used to collect the deposition, which were analyzed by liquid chromatography triple-quadrupole mass spectrometry...
September 12, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28898533/optimization-of-the-ultrasound-assisted-extraction-of-antioxidant-phloridzin-from-lithocarpus-polystachyus-rehd-using-response-surface-methodology
#19
Yang Chen, Li-Zi Yin, Ling Zhao, Gang Shu, Zhi-Xiang Yuan, Hua-Lin Fu, Cheng Lv, Ju-Chun Lin
The purpose of this study was to optimize the extraction process of phloridzin from Lithocarpus polystachyus Rehd. leaves using response surface methodology and to determine the antioxidant capacity of the extract. A Box-Behnken design was used to analyze the effects of ethanol concentration, liquid-solid ratio, soak time and extraction time on the extraction yield of phloridzin. The content of phloridzin was determined by high-performance liquid chromatography. To assess the antioxidant capacity of the extract, three in vitro test systems were used (1,1-,diphenyl-2-picrylhydrazyl, hydroxyl radical scavenging test and reduction force)...
September 12, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28890894/risk-of-contamination-of-gametes-and-embryos-during-cryopreservation-and-measures-to-prevent-cross-contamination
#20
REVIEW
Daniel C Joaquim, Eduardo D Borges, Iara G R Viana, Paula A Navarro, Alessandra A Vireque
The introduction and widespread application of vitrification are one of the most important achievements in human assisted reproduction techniques (ART) of the past decade despite controversy and unclarified issues, mostly related to concerns about disease transmission. Guidance documents published by US Food and Drug Administration, which focused on the safety of tissue/organ donations during Zika virus spread in 2016, as well as some reports of virus, bacteria, and fungi survival to cryogenic temperatures, highlighted the need for a review of the way how potentially infectious material is handled and stored in ART-related procedures...
2017: BioMed Research International
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