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https://www.readbyqxmd.com/read/28742234/xylella-fastidiosa-an-examination-of-a-re-emerging-plant-pathogen
#1
Jeannette Rapicavoli, Brian Ingel, Barbara Blanco-Ulate, Dario Cantu, Caroline Roper
Xylella fastidiosa is a Gram-negative bacterial plant pathogen with an extremely wide host range. This species has recently been resolved into subspecies that correlate with host specificity. This review focuses on the status of X. fastidiosa pathogenic associations in plant hosts where the bacterium is either endemic or recently introduced. Plant diseases associated with X. fastidiosa have been documented for over a century and much about what we know in the context of host-pathogen interactions is based on these hosts, such as grape and citrus, where this pathogen has been well described...
July 25, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28740952/preventing-oxygen-free-radical-damage-by-proanthocyanidin-in-obstructive-jaundice
#2
Mervan Savdan, Murat Çakır, Hüsamettin Vatansev, Tevfik Küçükkartallar, Ahmet Tekin, Şakir Tavlı
OBJECTIVE: Tissue damage and endotoxemia in obstructive jaundice are attributed to the increase in oxygen free-radicals. We aimed at evaluating the possible protective effect of grape seed proanthocyanidin extract (GSPE), which is a potent exogenous free-radical scavenger and antioxidant. MATERIAL AND METHODS: The study was performed at the Necmettin Erbakan University Meram School of Medicine Research and Application Center for Experimental Medicine Laboratory with ethical approval...
2017: Turk J Surg
https://www.readbyqxmd.com/read/28740499/multi-omics-and-integrated-network-analyses-reveal-new-insights-into-the-systems-relationships-between-metabolites-structural-genes-and-transcriptional-regulators-in-developing-grape-berries-vitis-vinifera-l-exposed-to-water-deficit
#3
Stefania Savoi, Darren C J Wong, Asfaw Degu, Jose C Herrera, Barbara Bucchetti, Enrico Peterlunger, Aaron Fait, Fulvio Mattivi, Simone D Castellarin
Grapes are one of the major fruit crops and they are cultivated in many dry environments. This study comprehensively characterizes the metabolic response of grape berries exposed to water deficit at different developmental stages. Increases of proline, branched-chain amino acids, phenylpropanoids, anthocyanins, and free volatile organic compounds have been previously observed in grape berries exposed to water deficit. Integrating RNA-sequencing analysis of the transcriptome with large-scale analysis of central and specialized metabolites, we reveal that these increases occur via a coordinated regulation of key structural pathway genes...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28739056/supplementation-with-vitis-vinifera-l-skin-extract-improves-insulin-resistance-and-prevents-hepatic-lipid-accumulation-and-steatosis-in-high-fat-diet-fed-mice
#4
Izabelle Barcellos Santos, Graziele Freitas de Bem, Viviane Silva Cristino Cordeiro, Cristiane Aguiar da Costa, Lenize Costa Reis Marins de Carvalho, Ana Paula Machado da Rocha, Gisele França da Costa, Dayane Teixeira Ognibene, Roberto Soares de Moura, Angela Castro Resende
Nonalcoholic fatty liver disease is one of the most common complications of obesity. The Vitis vinifera L. grape skin extract (ACH09) is an important source of polyphenols, which are related to its antioxidant and antihyperglycemic activities. We hypothesized that ACH09 could also exert beneficial effects on metabolic disorders associated with obesity and evaluated ACH09's influence on high-fat (HF) diet-induced hepatic steatosis and insulin resistance in C57BL/6 mice. The animals were fed a standard diet (10% fat, control) or an HF diet (60% fat, HF) with or without ACH09 (200mg/[kg d]) for 12weeks...
July 2017: Nutrition Research
https://www.readbyqxmd.com/read/28736728/the-influence-of-apical-and-basal-defoliation-on-the-canopy-structure-and-biochemical-composition-of-vitis-vinifera-cv-shiraz-grapes-and-wine
#5
Pangzhen Zhang, Xiwen Wu, Sonja Needs, Di Liu, Sigfredo Fuentes, Kate Howell
Defoliation is a commonly used viticultural technique to balance the ratio between grapevine vegetation and fruit. Defoliation is conducted around the fruit zone to reduce the leaf photosynthetic area, and to increase sunlight exposure of grape bunches. Apical leaf removal is not commonly practiced, and therefore its influence on canopy structure and resultant wine aroma is not well-studied. This study quantified the influences of apical and basal defoliation on canopy structure parameters using canopy cover photography and computer vision algorithms...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28735228/the-role-of-nitrogen-uptake-on-the-competition-ability-of-three-vineyard-saccharomyces-cerevisiae-strains
#6
Chiara Vendramini, Gemma Beltran, Chiara Nadai, Alessio Giacomini, Albert Mas, Viviana Corich
Three vineyard strains of Saccharomyces cerevisiae, P301.4, P304.4 and P254.12, were assayed in comparison with a commercial industrial strain, QA23. The aim was to understand if nitrogen availability could influence strain competition ability during must fermentation. Pairwise-strain fermentations and co-fermentations with the simultaneous presence of the four strains were performed in synthetic musts at two nitrogen levels: control nitrogen condition (CNC) that assured the suitable assimilable nitrogen amount required by the yeast strains to complete the fermentation and low nitrogen condition (LNC) where nitrogen is present at very low level...
July 13, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28735203/grape-stalk-application-for-caffeine-removal-through-adsorption
#7
Rodrigo Portinho, Odivan Zanella, Liliana Amaral Féris
Concern over emerging pollutants presence in water resources is growing, justifying the search for alternative or additional techniques to those applied in conventional water treatment processes. Use of adsorption with agricultural wastes directly as adsorbents or as precursors for activated carbon synthesis is a viable method, combining removal efficiency, low cost and biodegradability of the material applied. This study investigated the employability of grape stalk, a waste from grape industrialization process without effective use, in caffeine removal from aqueous solution...
July 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28734610/towards-integral-utilization-of-grape-pomace-from-winemaking-process-a-review
#8
REVIEW
Carolina Beres, Gislaine N S Costa, Ignacio Cabezudo, Nina K da Silva-James, Aline S C Teles, Ana P G Cruz, Caroline Mellinger-Silva, Renata V Tonon, Lourdes M C Cabral, Suely P Freitas
Grape is the main fruit crop in several countries. Although many grape-based food products can be found in the market, studies have shown that around 75% of the world grape production is destined for the wine industry. Grape pomace is an abundant by-product from the wine industry, which consists of the remaining skin, seeds and stalks and represents around 25% of total grape weight used in the winemaking process. In countries such as Italy, France and Spain, where wine production is more relevant, the annual grape pomace generation can reach nearly 1200 tonnes per year...
July 19, 2017: Waste Management
https://www.readbyqxmd.com/read/28734048/non-anthocyanin-polyphenolic-transformation-by-native-yeast-and-bacteria-co-inoculation-strategy-during-vinification
#9
Apramita Devi, K M Archana, P K Bhavya, K A Anu Appaiah
BACKGROUND: Co-inoculation has been adapted by many wine-producing countries as it enhances the success of malolactic fermentation and reduces the fermentation cost as well as time. However, wine phenolics have been sparsely highlighted during co-inoculation even though polyphenols are important parameter affecting wine colour, astringency and aroma. Here, we investigate the impact of co-inoculation on non-anthocyanin polyphenol profile for two different grape varieties. RESULT: Co-inoculation of native yeast strain (AAV2) along with Oenococcus oeni was adapted for Cabernet Sauvignon and Shiraz wine...
July 22, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28727939/phytohormone-and-genome-variations-in-vitis-amurensis-resistant-to-downy-mildew
#10
Ling Yin, Junjie Qu, Shuhan Deng, Shaoli Liu, Jiang Lu, Yali Zhang
Downy mildew (DM) resistance is a highly desirable agronomic trait in grape breeding. High variation in Plasmopara viticola resistance was found in Vitis cultivars. Some accessions show high P. viticola resistance even under conditions highly conducive to DM. Here, leaf disc inoculation experiments revealed that Vitis amurensis 'Zuoshaner' exhibited DM resistance with necrotic spots, whereas the V. amurensis × V. vinifera hybrid cultivar 'Zuoyouhong' was susceptible. Changes in plant hormones accumulation profiles, differed between the cultivars...
July 20, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28725902/impact-of-grape-pomace-consumption-on-the-blood-lipid-profile-and-liver-genes-associated-with-lipid-metabolism-of-young-rats
#11
Jianmei Yu, Rishipal R Bansode, Ivy N Smith, Steven L Hurley
Herein, we investigated the effects of grape pomace (GP) in diet on body weight, blood lipid profile, and expression of liver genes associated with lipid metabolism using a young rat model. In this study, twenty female Sprague-Dawley rats at 7 weeks of age were randomly divided into 4 groups, which were fed modified AIN-93G diets containing 0% (control), 6.9%, 13.8%, and 20.7% of GP for 10 weeks. Feed consumption and body weight were weekly determined. Blood samples were obtained at the beginning and end of the feeding period for cholesterol, alanine aminotransferase (ALT), and glucose analysis...
July 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28722782/development-of-blueberry-liquor-influence-of-distillate-sweetener-and-fruit-quantity
#12
Ilda Caldeira, Daniel Lopes, Teresa Delgado, Sara Canas, Ofélia Anjos
BACKGROUND: In this work different formulations of blueberry liquor were tested and characterized based on their physicochemical and sensory characteristics. RESULTS: Three factors were evaluated: the distillate used to produce the liquor (wine spirit or grape marc spirit); the sweetener (white sugar or honey) and the fruit quantity (two doses). For each liquor, pH, total acidity, dry soluble solids content, dry extract, alcoholic strength, reducing sugars, colour intensity, methanol content, acetaldehyde and fusel alcohols were determined...
July 19, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28720935/technological-options-to-control-quality-of-fish-burgers
#13
A Danza, A Conte, M A Del Nobile
This research was focused on preservation strategies applied to develop fish burgers enriched with tomato flour and extra-virgin olive oil. The effects of three different gas mixtures (5:95 O2/CO2; 10:60:30 O2/CO2/N2 and 5:50:45 O2/CO2/N2) on burger quality were analyzed by monitoring microbial cell load of main spoilage microorganisms, pH and sensory properties. As expected, modified atmosphere packaging significantly affected mesophilic bacteria with a reduction of about 2 log cycles for samples under 5% O2 and 95% CO2...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28715867/therapeutic-impact-of-grape-leaves-polyphenols-on-certain-biochemical-and-neurological-markers-in-alcl3-induced-alzheimer-s-disease
#14
Ibrahim H Borai, Magda K Ezz, Maha Z Rizk, Hanan F Aly, Mahmoud El-Sherbiny, Azza A Matloub, Ghadha I Fouad
Alzheimer's disease (AD) is a grave and prevailing neurodegenerative disease, characterized by slow and progressive neurodegeneration in different brain regions. Aluminum (Al) is a potent and widely distributed neurotoxic metal, implicated in the neuropathogenesis of AD. This study aimed to evaluate the possible neurorestorative potential of Vitis vinifera Leaves Polyphenolic (VLP) extract in alleviating aluminum chloride (AlCl3)-induced neurotoxicity in male rats. AlCl3 neurotoxicity induced a significant decrease in brain/serum acetylcholine (ACh) contents and serum dopamine (DA) levels, along with a significant increment of brain/serum acetylcholinesterase (AChE) activities...
July 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28713708/the-healing-effect-of-grape-seed-oil-enema-with-or-without-sesame-oil-in-acetic-acid-induced-ulcerative-colitis-of-rats
#15
Fatemeh Hosseinzadeh, Moosa Salehi, Nader Tanideh, Davood Mehrabani, Azadeh Sayarifard, Anahita Sedighi
BACKGROUND: Inflammatory bowel diseases contain two digestive system diseases, ulcerative colitis (UC) and Crohn's disease with unclear causes. The aim of present study was to investigate the therapeutic effects of administration of the Sesame oil (SO) and grape seed oil (GSO) as enema route in rats suffering from experimental acetic acid induced UC. METHODS: Eighty male rats were randomly allocated into 8 equal groups as health control (HC1) without any disease treated with 1 ml of normal saline as enema; HC2 received SO; HC3 received GSO; negative control (NC) with induced UC receiving 1 ml of normal saline as enema; and positive control (PC) with induced UC treated by asacol...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28713396/system-level-and-granger-network-analysis-of-integrated-proteomic-and-metabolomic-dynamics-identifies-key-points-of-grape-berry-development-at-the-interface-of-primary-and-secondary-metabolism
#16
Lei Wang, Xiaoliang Sun, Jakob Weiszmann, Wolfram Weckwerth
Grapevine is a fruit crop with worldwide economic importance. The grape berry undergoes complex biochemical changes from fruit set until ripening. This ripening process and production processes define the wine quality. Thus, a thorough understanding of berry ripening is crucial for the prediction of wine quality. For a systemic analysis of grape berry development we applied mass spectrometry based platforms to analyse the metabolome and proteome of Early Campbell at 12 stages covering major developmental phases...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28712376/grape-pomace-improves-performance-antioxidant-status-fecal-microbiota-and-meat-quality-of-piglets
#17
I Kafantaris, D Stagos, B Kotsampasi, A Hatzis, A Kypriotakis, K Gerasopoulos, S Makri, N Goutzourelas, C Mitsagga, I Giavasis, K Petrotos, S Kokkas, P Goulas, V Christodoulou, D Kouretas
In the present study, grape pomace (GP) was used as feed additive in the diet of weaned piglets in order to develop innovative feedstuffs and to investigate their potential beneficial effects on welfare, productivity and meat quality. For examining the antioxidant capacity of the experimental feeds, 24 piglets of 20 days old were assigned to two experimental groups receiving standard or experimental diet for 30 days. Blood and tissues collections were performed at four different time-points, 2, 20, 35 and 50 days post birth...
July 17, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28710957/infection-and-colonization-of-nicotiana-benthamiana-by-grapevine-leafroll-associated-virus-3
#18
Cecilia A Prator, Chloe M Kashiwagi, Darko Vončina, Rodrigo P P Almeida
Grapevine leafroll disease is an increasing problem in all grape-growing regions of the world. The most widespread agent of the disease, Grapevine leafroll-associated virus 3 (GLRaV-3), has never been shown to infect species outside of the genus Vitis. Virus transmission to several plant species used as model systems was tested using the vine mealybug, Planococcus ficus. We show that GLRaV-3 is able to infect Nicotiana benthamiana. Working with GLRaV-3 infected N. benthamiana revealed distinct advantages in comparison with its natural host Vitis vinifera, yielding both higher viral protein and virion concentrations in western blot and transmission electron microscopy observations, respectively...
July 12, 2017: Virology
https://www.readbyqxmd.com/read/28708113/dietary-phytochemicals-promote-health-by-enhancing-antioxidant-defence-in-a-pig-model
#19
Sophie N B Selby-Pham, Jeremy J Cottrell, Frank R Dunshea, Ken Ng, Louise E Bennett, Kate S Howell
Phytochemical-rich diets are protective against chronic diseases and mediate their protective effect by regulation of oxidative stress (OS). However, it is proposed that under some circumstances, phytochemicals can promote production of reactive oxygen species (ROS) in vitro, which might drive OS-mediated signalling. Here, we investigated the effects of administering single doses of extracts of red cabbage and grape skin to pigs. Blood samples taken at baseline and 30 min intervals for 4 hours following intake were analyzed by measures of antioxidant status in plasma, including Trolox equivalent antioxidant capacity (TEAC) and glutathione peroxidase (GPx) activity...
July 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28708102/ability-of-soil-isolated-actinobacterial-strains-to-prevent-bind-and-biodegrade-ochratoxin-a
#20
Rachelle El Khoury, Florence Mathieu, Ali Atoui, Hiba Kawtharani, Anthony El Khoury, Charbel Afif, Richard G Maroun, André El Khoury
Ochratoxin A (OTA) is one of the most important mycotoxins, and contaminates several agricultural products, particularly cereals, grapes, maize, barley, spices and coffee. The aim of this project was to reduce the levels of OTA by supplementing the artificially contaminated solutions with seven strains of actinobacteria (AT10, AT8, SN7, MS1, ML5, G10 and PT1) in order to evaluate their capacity for binding and metabolizing the OTA, as well as their ability to reduce the expression of the genes responsible for its production in A...
July 14, 2017: Toxins
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