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https://www.readbyqxmd.com/read/28620951/persistent-negative-temperature-response-of-mesophyll-conductance-in-red-raspberry-rubus-idaeus-l-leaves-under-both-high-and-low-vapour-pressure-deficits-a-role-for-abscisic-acid
#1
Changpeng Qiu, Gilbert Ethier, Steeve Pepin, Pascal Dubé, Yves Desjardins, André Gosselin
The temperature dependence of mesophyll conductance (gm ) was measured in well-watered red raspberry (Rubus idaeus L.) plants acclimated to leaf-to-air vapour pressure deficit (VPDL) daytime differentials of contrasting amplitude, keeping a fixed diurnal leaf temperature (Tleaf ) rise from 20°C to 35°C. Contrary to the great majority of gm temperature responses published to date, we found a pronounced reduction of gm with increasing Tleaf irrespective of leaf chamber O2 level and diurnal VPDL regime. Leaf hydraulic conductance was greatly enhanced during the warmer afternoon periods under both low (0...
June 15, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28609132/antioxidant-and-anticancer-properties-of-berries
#2
Bincy Baby, Priya Antony, Ranjit Vijayan
The enduring relationship between dietary patterns and human health has led us to investigate the bioactive components present in fruits and vegetables for a very long time. Berries, notably the popular ones such as strawberry, raspberry, blueberry, blackberry and the Indian gooseberry, are among the best known dietary sources due to the presence of a wide range of bioactive nutritive components. Bioactive components in berries include phenolic compounds, flavonoids and tannins apart from vitamins, minerals, sugars and fibers...
June 13, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28606512/heme-oxygenase-1-mediates-anti-adipogenesis-effect-of-raspberry-ketone-in-3t3-l1-cells
#3
Yung-Chieh Tsai, Bo-Cheng Yang, Wen-Huang Peng, Yen-Mei Lee, Mao-Hsiung Yen, Pao-Yun Cheng
BACKGROUND: Obesity is caused by excessive accumulation of body fat and is closely related to complex metabolic diseases. Raspberry ketone (RK), a major aromatic compound in red raspberry, was recently reported to possess anti-obesity effects. However, its mechanisms are unclear. AIM: Adipogenesis plays a critical role in obesity and, therefore, this study aimed to investigate the effect and mechanisms of action of RK on adipogenesis in 3T3-L1 preadipocytes. MATERIALS AND METHODS: 3T3-L1 preadipocytes were differentiated in medium containing insulin, dexamethasone, and 1-methyl-3-isobutylxanthine...
July 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28590822/evaluation-of-an-improved-u-s-food-and-drug-administration-method-for-the-detection-of-cyclospora-cayetanensis-in-produce-using-real-time-pcr
#4
Helen R Murphy, Seulgi Lee, Alexandre J da Silva
Cyclospora cayetanensis is a protozoan parasite that causes human diarrheal disease associated with the consumption of fresh produce or water contaminated with C. cayetanensis oocysts. In the United States, foodborne outbreaks of cyclosporiasis have been linked to various types of imported fresh produce, including cilantro and raspberries. An improved method was developed for identification of C. cayetanensis in produce at the U.S. Food and Drug Administration. The method relies on a 0.1% Alconox produce wash solution for efficient recovery of oocysts, a commercial kit for DNA template preparation, and an optimized TaqMan real-time PCR assay with an internal amplification control for molecular detection of the parasite...
June 7, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28581737/enzymatic-profile-of-willamette-raspberry-leaf-and-fruit-affected-by-prohexadione-ca-and-young-canes-removal-treatments
#5
Jelena J Dragišić Maksimović, Milena M Poledica, Dragan D Radivojević, Jasminka M Milivojević
The influence of growth regulator prohexadione-Ca (ProCa) concurrently with young canes removal on the modification of photosynthetic pigments content and antioxidant enzymes (peroxidase, POD; catalase, CAT; polyphenol oxidase, PPO; superoxide dismutase, SOD) activities in leaves and fruits of raspberry (Rubus idaeus L.) cultivar 'Willamette' was studied. ProCa increased while canes removal decreased chlorophylls and carotenoids content compared to control. POD, CAT, and PPO activities in leaves after removal of young canes were higher compared to control (2-4 times) which was visually confirmed for POD by isoelectrofocusing...
June 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28579541/nanostructured-raspberry-like-gelatin-microspheres-for-local-delivery-of-multiple-biomolecules
#6
Mani Diba, Bram Pape, Alexey Klymov, Yang Zhang, Jiankang Song, Dennis W P M Löwik, Hajar Seyednejad, Sander C G Leeuwenburgh
Multicompartment particles, which are particles composed of smaller building units, have gained considerable interest during the past decade to facilitate simultaneous and differential delivery of several biomolecules in various applications. Supercritical carbon dioxide (CO2) processing is an industrial technology widely used for large-scale synthesis and processing of materials. However, the application of this technology for production of multicompartment particles from colloidal particles has not yet been explored...
June 1, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28579298/regulation-of-gsk-3-activity-by-curcumin-berberine-and-resveratrol-potential-effects-on-multiple-diseases
#7
REVIEW
James A McCubrey, Kvin Lertpiriyapong, Linda S Steelman, Steve L Abrams, Lucio Cocco, Stefano Ratti, Alberto M Martelli, Saverio Candido, Massimo Libra, Giuseppe Montalto, Melchiorre Cervello, Agnieszka Gizak, Dariusz Rakus
Natural products or nutraceuticals promote anti-aging, anti-cancer and other health-enhancing effects. A key target of the effects of natural products may be the regulation of the PI3K/PTEN/Akt/mTORC1/GSK-3 pathway. This review will focus on the effects of curcumin (CUR), berberine (BBR) and resveratrol (RES), on the PI3K/PTEN/Akt/mTORC1/GSK-3 pathway, with a special focus on GSK-3. These natural products may regulate the pathway by multiple mechanisms including: reactive oxygen species (ROS), cytokine receptors, mirco-RNAs (miRs) and many others...
May 26, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28575326/two-pests-overlap-drosophila-suzukii-diptera-drosophilidae-use-of-fruit-exposed-to-halyomorpha-halys-hemiptera-pentatomidae
#8
J Megan Woltz, Nik G Wiman, Jana C Lee
Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) and brown marmorated stink bug, Halyomorpha halys (Stål) (Hemiptera: Pentatomidae), are global economic pests that may co-occur on small fruits. We investigated whether fruit recently exposed to H. halys affected subsequent host use by D. suzukii. Laboratory no-choice and choice tests presented D. suzukii with H. halys-fed and unfed raspberries and blueberries immediately or 3 d after H. halys feeding. Resulting D. suzukii eggs, or larvae and pupae, were counted...
May 29, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28561941/intramolecularly-protein-crosslinked-dna-gels-new-biohybrid-nanomaterials-with-controllable-size-and-catalytic-activity
#9
Li Zhou, Mathieu Morel, Sergii Rudiuk, Damien Baigl
DNA micro- and nanogels-small-sized hydrogels made of a crosslinked DNA backbone-constitute new promising materials, but their functions have mainly been limited to those brought by DNA. Here a new way is described to prepare sub-micrometer-sized DNA gels of controllable crosslinking density that are able to embed novel functions, such as an enzymatic activity. It consists of using proteins, instead of traditional base-pairing assembly or covalent approaches, to form crosslinks inside individual DNA molecules, resulting in structures referred to as intramolecularly protein-crosslinked DNA gels (IPDGs)...
May 31, 2017: Small
https://www.readbyqxmd.com/read/28556578/fasting-serum-hippuric-acid-is-elevated-after-bilberry-vaccinium-myrtillus-consumption-and-associates-with-improvement-of-fasting-glucose-levels-and-insulin-secretion-in-persons-at-high-risk-of-developing-type-2-diabetes
#10
Vanessa Df de Mello, Maria A Lankinen, Jaana Lindström, Riitta Puupponen-Pimiä, David E Laaksonen, Jussi Pihlajamäki, Marko Lehtonen, Matti Uusitupa, Jaakko Tuomilehto, Marjukka Kolehmainen, Riitta Törrönen, Kati Hanhineva
SCOPE: Urinary hippuric acid has been proposed as a biomarker for fruit, vegetable and polyphenol consumption. We assessed how serum hippuric acid changes after a bilberry-enriched diet (BB; high anthocyanin intake) and another berry diet including strawberries, raspberries and cloudberries (SRC; lower anthocyanin intake) and how these changes associate with insulin and glucose metabolism. METHODS AND RESULTS: Hippuric acid was measured with LC-QTOF-MS metabolite profiling analysis from fasting serum samples at baseline and after an 8-week intervention in 47 individuals with features of the metabolic syndrome who were randomized to either a BB diet (n = 15), a SRC diet (n = 20) or a control diet (n = 12)...
May 29, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28553436/cytoprotective-mechanisms-mediated-by-polyphenols-from-chilean-native-berries-against-free-radical-induced-damage-on-ags-cells
#11
Felipe Ávila, Cristina Theoduloz, Camilo López-Alarcón, Eva Dorta, Guillermo Schmeda-Hirschmann
The prevalence of cytoprotective mechanisms induced by polyphenols such as activation of intracellular antioxidant responses (ICM) and direct free radical scavenging was investigated in native Chilean species of strawberries, raspberries, and currants. Human gastric epithelial cells were co- and preincubated with polyphenolic-enriched extracts (PEEs) from Chilean raspberries (Rubus geoides), strawberries (Fragaria chiloensis ssp. chiloensis f. chiloensis), and currants (Ribes magellanicum) and challenged with peroxyl and hydroxyl radicals...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28553369/efficacy-comparison-of-lyophilised-black-raspberries-and-combination-of-celecoxib-and-pbit-in-prevention-of-carcinogen-induced-oesophageal-cancer-in-rats
#12
Ni Shi, Kenneth M Riedl, Steven J Schwartz, Xiaoli Zhang, Steven K Clinton, Tong Chen
The objective of this study was to compare the efficacy and mechanism of lyophilized black raspberries (BRB) versus the combination of celecoxib, a selective cyclooxygenase-2 (COX-2) inhibitor, and S,S'-1,4-phenylene-bis(1,2-ethanediyl)bis-isothiourea (PBIT), a selective inducible nitric oxide synthase (iNOS) inhibitor in inhibition of carcinogen-induced esophageal squamous cell carcinoma in rats. Our data indicated that tumor multiplicity and histologic grade of esophageal precancerous lesions were reduced in animals fed BRB compared to those fed celecoxib + PBIT...
December 2016: Journal of Functional Foods
https://www.readbyqxmd.com/read/28545043/a-multiplex-taqman-qpcr-assay-for-sensitive-and-rapid-detection-of-phytoplasmas-infecting-rubus-species
#13
Holger Linck, Erika Krüger, Annette Reineke
Rubus stunt is an economically important disease in the production of raspberries, blackberries, and loganberries. A fast, sensitive, and reliable diagnosis of phytoplasmas, the causal agent of the disease, is of prime importance to stop its spread by vegetative propagation and by insect vectors. Therefore, multiplex qPCR assays using TaqMan probes with different kinds of fluorophores in one reaction were developed, allowing the detection of phytoplasmas in general as well as a more specific detection of phytoplasmas belonging to group 16SrV and host DNA (either plant or insect)...
2017: PloS One
https://www.readbyqxmd.com/read/28523823/cost-benefit-analysis-of-controlling-the-spotted-wing-drosophila-drosophila-suzukii-matsumura-spread-and-infestation-of-soft-fruits-in-trentino-northern-italy
#14
Emanuele Del Fava, Claudio Ioriatti, Alessia Melegaro
BACKGROUND: We assessed the economic impact of the invasive pest Drosophila suzukii (Matsumura) on the soft fruit industry (strawberries, raspberries, blackberries, and blueberries) in Trentino, Northern Italy, using cost-benefit analysis. A conventional integrated pest management (IPM) based on insecticide, mass trapping and cultural measures is compared to an upgraded IPM strategy based on exclusion netting. Costs and benefits associated with the change between the two are estimated in order to evaluate the most profitable strategy from the societal point of view...
May 19, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28520533/a-fully-automated-high-throughput-zebrafish-behavioral-ototoxicity-assay
#15
Douglas W Todd, Rohit C Philip, Maki Niihori, Ryan A Ringle, Kelsey R Coyle, Sobia F Zehri, Jordan A Mudery, Ross H Francis, Jeffrey J Rodriguez, Abraham Jacob
Zebrafish animal models lend themselves to behavioral assays that can facilitate rapid screening of ototoxic, otoprotective, and otoregenerative drugs. Structurally similar to human inner ear hair cells, the mechanosensory hair cells on their lateral line allow the zebrafish to sense water flow and orient head-to-current in a behavior called rheotaxis. This rheotaxis behavior deteriorates in a dose-dependent manner with increased exposure to the ototoxin cisplatin, thereby establishing itself as an excellent biomarker for anatomic damage to lateral line hair cells...
May 18, 2017: Zebrafish
https://www.readbyqxmd.com/read/28514726/retrospective-analysis-of-risk-factors-associated-with-kawasaki-disease-in-china
#16
Lihua Bai, Tienan Feng, Lifang Yang, Yi Zhang, Xuejuan Jiang, Jiayao Liao, Lihua Chen, Xiaoyan Feng, Yanming Rong, Yuehua Li, Zhiqiang Qin, Jing Qiao
In order to provide early intervention for coronary artery lesion (CAL) caused by Kawasaki Disease (KD), we analyzed clinical characteristics of typical and incomplete KD cases from 1998 to 2008 in Northwest and Central China. A total of 383 patients included 298 cases of typical KD and 85 cases of incomplete KD. The morbidity of incomplete KD was 28.5%, a percentage significantly lower than that of typical KD. The occurrence of bulbar conjunctiva congestion, erythra, crissum red, film-like decrustation, lip red, rhagades, raspberry tongue, bilateral toe-end decrustation, limb sclerosis, cervical lymph nodes enlargement, agitation and irritability in incomplete KD group was lower than that in the group of typical KD (p < 0...
April 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28509533/low-cost-label-free-biosensing-bimetallic-cellulose-strip-with-silar-synthesized-silver-core-gold-shell-nanoparticle-structures
#17
Wansun Kim, Jae-Chul Lee, Gi-Ja Lee, Hun-Kuk Park, Anbok Lee, Samjin Choi
We introduce a label-free biosensing cellulose strip sensor with surface-enhanced Raman spectroscopy (SERS)-encoded bimetallic core@shell nanoparticles. Bimetallic nanoparticles consisting of a synthesis of core Ag nanoparticles (AgNP) and a synthesis of shell gold nanoparticles (AuNPs) were fabricated on a cellulose substrate by two-stage successive ionic layer absorption and reaction (SILAR) techniques. The bimetallic nanoparticle-enhanced localized surface plasmon resonance (LSPR) effects were theoretically verified by computational calculations with finite element models of optimized bimetallic nanoparticles interacting with an incident laser source...
May 25, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28505086/raspberry-like-bismuth-oxychloride-on-mesoporous-siliceous-support-for-sensitive-electrochemical-stripping-analysis-of-cadmium
#18
Yiyan Song, Zhihui Xu, Xinyu Yu, Xueyan Shi, Huijun Jiang, Xiaoming Li, Yan Kong, Qin Xu, Jin Chen
BiOCl-SiO₂ KIT-6 composite materials with raspberry-like structures are facilely prepared under hydrothermal conditions. The mesoporous siliceous support of SiO₂ KIT-6-incorporated BiOCl with enlarged yet refined surface morphology characterized by physiochemical methods exhibits an improved electrochemical performance. A sensitive electrochemical detection method of cadmium concentration using square wave anodic stripping voltammetry was developed based on BiOCl-SiO₂ KIT-6 composite-modified glassy carbon electrodes, which displayed wide linear ranges of 0...
May 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28505078/intra-minute-cloud-passing-forecasting-based-on-a-low-cost-iot-sensor-a-solution-for-smoothing-the-output-power-of-pv-power-plants
#19
Primož Sukič, Gorazd Štumberger
Clouds moving at a high speed in front of the Sun can cause step changes in the output power of photovoltaic (PV) power plants, which can lead to voltage fluctuations and stability problems in the connected electricity networks. These effects can be reduced effectively by proper short-term cloud passing forecasting and suitable PV power plant output power control. This paper proposes a low-cost Internet of Things (IoT)-based solution for intra-minute cloud passing forecasting. The hardware consists of a Raspberry PI Model B 3 with a WiFi connection and an OmniVision OV5647 sensor with a mounted wide-angle lens, a circular polarizing (CPL) filter and a natural density (ND) filter...
May 13, 2017: Sensors
https://www.readbyqxmd.com/read/28504878/raspberry-like-nanostructured-silicon-composite-anode-for-high-performance-lithium-ion-batteries
#20
Shan Fang, Zhenkun Tong, Ping Nie, Gao Liu, Xiaogang Zhang
Adjusting the particle size and nanostructure or applying carbon materials as the coating layers is a promising method to hold the volume expansion of Si for its practical application in lithium-ion batteries (LIBs). Herein, the mild carbon coating combined with a molten salt reduction is precisely designed to synthesize raspberry-like hollow silicon spheres coated with carbon shells (HSi@C) as the anode materials for LIBs. The HSi@C exhibits a remarkable electrochemical performance; a high reversible specific capacity of 886...
June 7, 2017: ACS Applied Materials & Interfaces
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