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https://www.readbyqxmd.com/read/29778014/expression-of-grape-acs1-in-tomato-decreases-ethylene-and-alters-the-balance-between-auxin-and-ethylene-during-shoot-and-root-formation
#1
Xia Ye, Mengmeng Fu, Yu Liu, Dongliang An, Xianbo Zheng, Bin Tan, Jidong Li, Jun Cheng, Wei Wang, Jiancan Feng
Ethylene plays an important role in the grape rachis, where its production can be 10 times higher than in the berry. VvACS1 is the only rachis-specific ACC synthase (ACS) gene, and its expression is coincident with ethylene production in the rachis of Vitis vinifera 'Thompson seedless'. VvACS1 was cloned and ectopically expressed in tomato (Solanum lycopersicum 'Moneymaker'). Lateral buds were increased in two- or four-week-old 35s∷VvACS1 transgenic tomato plants after transplanting. Compared with wild-type (WT) plants, the transgenic tomato plants showed higher expression of the VvACS1 gene in the flowers, leaves, rachis, and fruits...
May 4, 2018: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29775294/management-zone-delineation-for-winegrape-selective-harvesting-based-on-fluorescence-sensor-mapping-of-grape-skin-anthocyanins
#2
Giovanni Agati, Kamel Soudani, Lorenza Tuccio, Elisa Fierini, Naima Ben Ghozlen, El Mostafa Fadaili, Annalisa Romani, Zoran G Cerovic
We analyzed the potential of non-destructive optical sensing of grape skin anthocyanins for selective harvesting in precision viticulture. We measured anthocyanins by a hand-held fluorescence optical sensor on a 7-ha Sangiovese vineyard plot in central Italy. Optical indices obtained by the sensor were calibrated for the transformation in units of anthocyanins per berry mass, i.e. mg g-1 berry fresh weight. A full protocol for optimal data filtration, interpolation and homogenous zones delineation based on a very large number of optical measurements was proposed...
May 18, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29774421/a-fluorometric-aptasensor-for-methamphetamine-based-on-fluorescence-resonance-energy-transfer-using-cobalt-oxyhydroxide-nanosheets-and-carbon-dots
#3
Zeinab Saberi, Behzad Rezaei, Hossein Faroukhpour, Ali Ashghar Ensafi
Cobalt oxyhydroxide (CoOOH) nanosheets are efficient fluorescence quenchers due to their specific optical properties and high surface area. The combination of CoOOH nanosheets and carbon dots (CDs) has not been used in any aptasensor based on fluorescence quenching so far. An aptamer based fluorometric assay is introduced that is making use of fluorescent CDs conjugated to the aptamer against methamphetamine (MTA), and of CoOOH nanosheets which reduce the fluorescence of the CDs as a quencher. The results revealed that the conjugated CDs with aptamers were able to enclose the CoOOH nanosheets...
May 17, 2018: Mikrochimica Acta
https://www.readbyqxmd.com/read/29773619/draft-genome-sequence-of-the-saccharomyces-cerevisiae-%C3%A3-saccharomyces-kudriavzevii-ha1836-interspecies-hybrid-yeast
#4
Ksenija Lopandic, Hakim Tafer, Katja Sterflinger
Saccharomyces cerevisiae × Saccharomyces kudriavzevii interspecies hybrid yeasts have frequently been isolated from alcoholic fermentation environments. Here, we report the draft genome sequence of the S. cerevisiae × S. kudriavzevii HA1836 strain isolated from grapes from an Austrian vineyard.
May 17, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29772116/bioassay-guided-isolation-of-antifungal-compounds-from-disporopsis-aspera-engl-against-pseudoperonospora-cubensis-and-phytophthora-infestans
#5
Feng Zhu, Chengshan Yuan, Fangli Gang, Chaofu Yang, Wenjun Wu, Jiwen Zhang
Oomycetes are one type of the most highly destructive of the diseases that cause damage to some important crop plants, such as potato late blight, cucumber downy mildew and grape downy mildew. As main approach of the ongoing search for new botanical fungicide from plant, the secondary metabolites of D. aspera were investigated. Through efficient bioassay-guided isolation, two new (1, 2), twelve known compounds (3-14) were isolated, and their structures were determined via extensive NMR, HR-ESI-MS, IR. They were isolated from this genus for the first time except for compounds 11, 12...
May 17, 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29768882/grape-seed-extract-alone-or-combined-with-atropine-in-treatment-of-malathion-induced-neuro-and-genotoxicity
#6
Omar M E Abdel-Salam, Asmaa F Galal, Mahrousa M Hassanane, Lamiaa M Salem, Somaia A Nada, Fatma A Morsy
The aim of this study was to investigate the effect of treatment with grape seed extract (GSE) on the neurotoxic and genotoxic effects of acute malathion exposure. Rats received malathion (150 mg/kg by i.p. injection) for two successive days alone or combined with GSE at doses of 150 or 300 mg/kg, orally or with GSE at 300 mg/kg and atropine at a dose of 2 mg/kg, i.p. Malondialdehyde (MDA), reduced glutathione (GSH), nitric oxide, paraoxonase (PON1) were determined in cortex, striatum, and rest of brain tissue (subcortex)...
January 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29768432/the-ecology-of-the-drosophila-yeast-mutualism-in-wineries
#7
Allison S Quan, Michael B Eisen
The fruit fly, Drosophila melanogaster, is preferentially found on fermenting fruits. The yeasts that dominate the microbial communities of these substrates are the primary food source for developing D. melanogaster larvae, and adult flies manifest a strong olfactory system-mediated attraction for the volatile compounds produced by these yeasts during fermentation. Although most work on this interaction has focused on the standard laboratory yeast Saccharomyces cerevisiae, a wide variety of other yeasts naturally ferment fallen fruit...
2018: PloS One
https://www.readbyqxmd.com/read/29765504/polyphenolic-compounds-antioxidant-and-cardioprotective-effects-of-pomace-extracts-from-feteasc%C3%A4-neagr%C3%A4-cultivar
#8
Ştefania Silvia Balea, Alina Elena Pârvu, Nastasia Pop, Fernando Zamora Marín, Marcel Pârvu
Grape pomace is a potential source of natural antioxidant agents. Phenolic compounds and antioxidant and cardioprotective properties of fresh and fermented pomace extracts obtained from Vitis vinifera L. red variety Fetească neagră grown in Romania in 2015 were investigated. Grape pomace extracts total phenolic index, total tannins, total anthocyanins, proanthocyanidins, flavan-3-ol monomers, stilbenes, and DPPH free radical scavenger were measured. The effect of a seven-day pretreatment with grape pomace extracts on the isoprenaline-induced infarct-like lesion in rats was assessed by ECG monitoring, serum levels of creatine kinase, aspartate transaminase, and alanine transaminase...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29765379/-vitis-vinifera-l-fruit-diversity-to-breed-varieties-anticipating-climate-changes
#9
Antoine Bigard, Dargie T Berhe, Eleonora Maoddi, Yannick Sire, Jean-Michel Boursiquot, Hernan Ojeda, Jean-Pierre Péros, Agnès Doligez, Charles Romieu, Laurent Torregrosa
The wine industry is facing critical issues due to climate changes since production is established on very tight Genotype × Environment interaction bases. While, some cultivation practices may reduce adverse effects of abiotic stresses on the vines, e.g., the use of irrigation to mitigate drought, the deleterious impacts of warming on fruit development are difficult to manage. Elevated temperature alters grapevine fruit growth and composition, with a critical increase of the sugars/organic acids ratio. Select grapes with improved metabolite balances to offset high temperature effects is a valuable option to sustain viticulture...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29764371/resolution-effects-in-reconstructing-ancestral-genomes
#10
Chunfang Zheng, Yuji Jeong, Madisyn Gabrielle Turcotte, David Sankoff
BACKGROUND: The reconstruction of ancestral genomes must deal with the problem of resolution, necessarily involving a trade-off between trying to identify genomic details and being overwhelmed by noise at higher resolutions. RESULTS: We use the median reconstruction at the synteny block level, of the ancestral genome of the order Gentianales, based on coffee, Rhazya stricta and grape, to exemplify the effects of resolution (granularity) on comparative genomic analyses...
May 9, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29760697/hookworm-secreted-extracellular-vesicles-interact-with-host-cells-and-prevent-inducible-colitis-in-mice
#11
Ramon M Eichenberger, Stephanie Ryan, Linda Jones, Geraldine Buitrago, Ramona Polster, Marcela Montes de Oca, Jennifer Zuvelek, Paul R Giacomin, Lindsay A Dent, Christian R Engwerda, Matthew A Field, Javier Sotillo, Alex Loukas
Gastrointestinal (GI) parasites, hookworms in particular, have evolved to cause minimal harm to their hosts, allowing them to establish chronic infections. This is mediated by creating an immunoregulatory environment. Indeed, hookworms are such potent suppressors of inflammation that they have been used in clinical trials to treat inflammatory bowel diseases (IBD) and celiac disease. Since the recent description of helminths (worms) secreting extracellular vesicles (EVs), exosome-like EVs from different helminths have been characterized and their salient roles in parasite-host interactions have been highlighted...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29758473/genome-wide-analysis-of-poplar-saur-gene-family-and-expression-profiles-under-cold-polyethylene-glycol-and-indole-3-acetic-acid-treatments
#12
Wenfang Hu, Hanwei Yan, Shuangshuang Luo, Feng Pan, Yue Wang, Yan Xiang
Small auxin-up RNA (SAUR) proteins play an important role in the regulation of plant growth and development. Here, we identified 105 SAUR genes and comprehensively analyzed them in Populus trichocarpa. Based on the phylogenetic relationships, the PtSAURs were classified into ten subfamilies. Of the 105 PtSAURs, 100 were randomly distributed along the nineteen chromosomes, while the remaining genes were located along unassigned scafoolds. These genes mainly evolved through segmental duplications. In total, 94 PtSAURs contained no introns, and each group had a similar conserved motif structure...
May 8, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29756977/effects-of-red-wine-grape-juice-and-resveratrol-consumption-on-bone-parameters-of-wistar-rats-submitted-to-high-fat-diet-and-physical-training
#13
Letícia Monteiro da Fonseca Cardoso, Nina Da Matta Alvarez Pimenta, Raiza Da Silva Ferreira Fiochi, Bruna Ferreira Mota Mota, Juliana Arruda de Souza Monnerat, Cristiane Correia Teixeira, Renata Beatriz Da Rocha Ramalho, Isabelle Waleska Maldronato, Manuela Dolisnky, Gilson Teles Boaventura, Vilma Blondet, Sergio Girão Barroso, Carlos Alberto Soares da Costa, Gabrielle De Souza Rocha
INTRODUCTION: intake of diets with high saturated fat may produce deleterious effects on bone mineralization. Lifestyle changes help reduce the bone loss observed in osteoporosis. Resveratrol, present in grape juice and red wine, has osteogenic and osteoinductive effects, being potentially beneficial for bone health. OBJECTIVE: to evaluate the effects of red grape juice, red wine and resveratrol consumption on bone parameters in Wistar rats submitted to a high-fat diet and physical training...
October 27, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29755546/occurrence-of-ochratoxin-a-in-grape-juice-of-iran
#14
Jamal Yusefi, Mehran Valaee, Firouzeh Nazari, Javad Maleki, Ehsan Mottaghianpour, Roya Khosrokhavar, Mir-Jamal Hosseini
Ochratoxin A (OTA) is one of the most important mycotoxins that contaminate a broad range of agricultural and food products. In this study, the occurrence of OTA in available brands of grape juice in Iran purchased from retail outlets or producer were determined for the first time using high-performance liquid chromatography (HPLC) with immunoaffinity columns(IAC) as the clean-up step. The average recoveries for OTA in grape juice ranged from 54.2 to 86.6% with the coefficient of variation lower than 17.3% in lowest spiked level (0...
2018: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/29752627/maldi-tof-ms-supplementary-database-for-species-identification-employing-the-yeast-diversity-encountered-on-southern-brazil-grapes
#15
Bruna Carla Agustini, Gildo Almeida da Silva, Tania Maria Bordin Bonfim
The study of grape microflora is of interest when autochthonous yeasts, which are related to typical wine characteristics, are intended to be used in winemaking. The election of matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-TOF MS) as the first method for yeast identification was based on its accuracy and rapidity compared to alternative laboratory protocols for identification. The aims of this study are to consolidate the MALDI-TOF MS Supplementary database for environmental yeasts already constructed, to expand it through the addition of standard spectra of not included yeast species, and to discuss the grape microflora encountered in Southern Brazil...
May 11, 2018: Folia Microbiologica
https://www.readbyqxmd.com/read/29751926/pipette-tip-solid-phase-extraction-using-poly-1-vinylimidazole-co-trimethylolpropane-trimethacrylate-as-a-new-molecularly-imprinted-polymer-in-the-determination-of-avermectins-and-milbemycins-in-fruit-juice-and-water-samples
#16
Roseane Andrade Teixeira, Diego Hernando Ângulo Flores, Ricky Cássio Santos da Silva, Flávia Viana Avelar Dutra, Keyller Bastos Borges
A simple HPLC method was developed for the determination of abamectin (ABA), eprinomectin (EPR), and moxidectin (MOX). Pipette-tip molecularly imprinted polymer solid-phase extraction (PT-MIP-SPE) using poly(1-vinylimidazole-co-trimethylolpropane trimethacrylate) as a selective adsorbent material was studied in detail, including the washing solvent, type and volume of eluent, pH, quantity of adsorbent material and sample volume. The performance criteria for linearity, sensitivity, precision, accuracy, recovery, robustness and stability have been assessed and were within the recommended guidelines...
October 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29751913/does-resveratrol-retain-its-antioxidative-properties-in-wine-redox-behaviour-of-resveratrol-in-the-presence-of-cu-ii-and-tebuconazole
#17
Jana Jaklová Dytrtová, Michal Straka, Kateřina Bělonožníková, Michal Jakl, Helena Ryšlavá
Resveratrol is antioxidant naturally occurring in wine grapes. It is thought to have a preventive biological activity against number of diseases. However, it has been recently shown that in the presence of metal ions, such as Cu2+ , resveratrol forms oxidative radicals. Cu2+ is usually present in wine due to former usage of bluestone in vineyards. Fungicide tebuconazole has substituted bluestone and is presently one of the most widely used agrochemicals in wine industry; wine thus may contain traces of tebuconazole...
October 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29751599/the-sucrose-synthase-gene-family-in-chinese-pear-pyrus-bretschneideri-rehd-structure-expression-and-evolution
#18
Muhammad Abdullah, Yungpeng Cao, Xi Cheng, Dandan Meng, Yu Chen, Awais Shakoor, Junshan Gao, Yongping Cai
Sucrose synthase (SS) is a key enzyme involved in sucrose metabolism that is critical in plant growth and development, and particularly quality of the fruit. Sucrose synthase gene families have been identified and characterized in plants various plants such as tobacco, grape, rice, and Arabidopsis . However, there is still lack of detailed information about sucrose synthase gene in pear. In the present study, we performed a systematic analysis of the pear ( Pyrus bretschneideri Rehd.) genome and reported 30 sucrose synthase genes...
May 11, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29750367/efficacy-of-maternal-choline-supplementation-during-pregnancy-in-mitigating-adverse-effects-of-prenatal-alcohol-exposure-on-growth-and-cognitive-function-a-randomized-double-blind-placebo-controlled-clinical-trial
#19
Sandra W Jacobson, R Colin Carter, Christopher D Molteno, Mark E Stanton, Jane Herbert, Nadine M Lindinger, Catherine E Lewis, Neil C Dodge, H Eugene Hoyme, Steven H Zeisel, Ernesta M Meintjes, Christopher P Duggan, Joseph L Jacobson
BACKGROUND: We recently demonstrated the acceptability and feasibility of a randomized, double-blind choline supplementation intervention for heavy drinking women during pregnancy. In this paper, we report our results relating to the efficacy of this intervention in mitigating adverse effects of prenatal alcohol exposure on infant growth and cognitive function. METHODS: 69 Cape Coloured (mixed ancestry) heavy drinkers in Cape Town, South Africa, recruited in mid-pregnancy, were randomly assigned to receive a daily oral dose of either 2 g of choline or placebo from time of enrollment until delivery...
May 11, 2018: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29750366/feasibility-and-acceptability-of-maternal-choline-supplementation-in-heavy-drinking-pregnant-women-a-randomized-double-blind-placebo-controlled-clinical-trial
#20
Sandra W Jacobson, R Colin Carter, Christopher D Molteno, Ernesta M Meintjes, Marjanne Senekal, Nadine M Lindinger, Neil C Dodge, Steven H Zeisel, Christopher P Duggan, Joseph L Jacobson
BACKGROUND: Choline, an essential nutrient, serves as a methyl-group donor for DNA methylation and is a constituent of the neurotransmitter acetylcholine and a precursor to major components of cell membranes. Findings from animal studies suggest that choline supplementation during pregnancy may mitigate adverse effects of prenatal alcohol exposure on growth and neurocognitive function. We conducted a randomized, double-blind exploratory trial to examine feasibility and acceptability of a choline supplementation intervention during pregnancy...
May 11, 2018: Alcoholism, Clinical and Experimental Research
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