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Vitis iron

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https://www.readbyqxmd.com/read/29520945/a-vitis-vinifera-basic-helix-loop-helix-transcription-factor-enhances-plant-cell-size-vegetative-biomass-and-reproductive-yield
#1
Sung Don Lim, Won Cheol Yim, Degao Liu, Rongbin Hu, Xiaohan Yang, John C Cushman
Strategies for improving plant size are critical targets for plant biotechnology to increase vegetative biomass or reproductive yield. To improve biomass production, a codon-optimized helix-loop-helix transcription factor (VvCEB1opt ) from wine grape was overexpressed in Arabidopsis thaliana resulting in significantly increased leaf number, leaf and rosette area, fresh weight, and dry weight. Cell size, but typically not cell number, was increased in all tissues resulting in increased vegetative biomass and reproductive organ size, number, and seed yield...
March 9, 2018: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/29502817/foliar-applications-of-iron-promote-flavonoids-accumulation-in-grape-berry-of-vitis-vinifera-cv-merlot-grown-in-the-iron-deficiency-soil
#2
Pengbao Shi, Changzheng Song, Haiju Chen, Bingbing Duan, Zhenwen Zhang, Jiangfei Meng
Flavonoids are important compounds for grape and wine quality. Foliar fertilization with iron compounds has been reported to have a substantial impact on grape composition in the grapevines growing in calcareous soil. However, much less is known about its real impact on flavonoid composition. In the present study, Ferric ethylenediamine di (O-hydroxyphenylacetic) acid (Fe-EDDHA) was foliar applied to Merlot (Vitis vinifera L.) grapevines growing in calcareous soil over two consecutive vintages in order to study its effect on grape flavonoid composition...
July 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29448887/fabrication-of-iron-oxide-nanocolloids-using-metallosurfactant-based-microemulsions-antioxidant-activity-cellular-and-genotoxicity-towards-vitis-vinifera
#3
Gurpreet Kaur, Varsha Dogra, Rajeev Kumar, Sandeep Kumar, Kashmir Singh
The present work aims at the fabrication of iron oxide nanocolloids using biocompatible microemulsion and their cytotoxic, genotoxic effect on Vitis vinifera plant has been evaluated. The three-iron based metallosurfactant complexes were synthesized. Nanosuspensions (Ns) were prepared using microemulsion technique and for the purpose, the microemulsion was prepared using oleic acid, butanol, tween 80 and as synthesized iron metallosurfactant. In this technique, no additional capping agent and/or reducing agent was added...
February 16, 2018: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/29163377/wild-grape-associated-yeasts-as-promising-biocontrol-agents-against-vitis-vinifera-fungal-pathogens
#4
Gustavo Cordero-Bueso, Nicola Mangieri, David Maghradze, Roberto Foschino, Federica Valdetara, Jesús M Cantoral, Ileana Vigentini
The increasing level of hazardous residues in the environment and food chains has led the European Union to restrict the use of chemical fungicides. Thus, exploiting new natural antagonistic microorganisms against fungal diseases could serve the agricultural production to reduce pre- and post-harvest losses, to boost safer practices for workers and to protect the consumers' health. The main aim of this work was to evaluate the antagonistic potential of epiphytic yeasts against Botrytis cinerea, Aspergillus carbonarius , and Penicillium expansum pathogen species...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28688348/characterization-of-iron-deficiency-symptoms-in-grapevine-vitis-spp-leaves-by-reflectance-spectroscopy
#5
Laura Rustioni, Daniele Grossi, Lucio Brancadoro, Osvaldo Failla
The work aims at the description of the iron deficiency symptoms in grapevine leaves by reflectance spectroscopy at the plant and leaf levels. 5 genotypes of Vitis spp. were selected and grown in hydroponic conditions with and without iron supply. 450 spectra were collected among basal, young and apical leaves, as well as veins and interveinal areas. Iron deficiency produced significant and characteristic modifications in the pigment accumulation, proportion and distribution in plants. Basal leaves resulted to have higher concentrations of photosynthetic pigments in stressed plants with respect to the control, probably due to compensation effects...
September 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28624857/bioaccumulation-of-heavy-metals-and-ecophysiological-responses-to-heavy-metal-stress-in-selected-populations-of-vaccinium-myrtillus-l-and-vaccinium-vitis-idaea-l
#6
Marta Kandziora-Ciupa, Aleksandra Nadgórska-Socha, Gabriela Barczyk, Ryszard Ciepał
The aim of this study was to determine the concentrations of heavy metals (Cd, Pb, Zn, Fe, and Mn) in soil, and their bioavailability and bioaccumulation in Vaccinium myrtillus L. and Vaccinium vitis-idaea L. organs. Analysis also concerned the physiological responses of these plants from three polluted sites (immediate vicinity of a zinc smelter in Miasteczko Śląskie, ArcelorMittal Poland S.A. iron smelter in Dąbrowa Górnicza-Łosień, and Jaworzno III power plant in Jaworzno) and one pseudo-control site (Pazurek nature reserve in Jaroszowiec Olkuski)...
September 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28216591/iron-supply-affects-anthocyanin-content-and-related-gene-expression-in-berries-of-vitis-vinifera-cv-cabernet-sauvignon
#7
Pengbao Shi, Bing Li, Haiju Chen, Changzheng Song, Jiangfei Meng, Zhumei Xi, Zhenwen Zhang
Anthocyanins are important compounds for red grape and red wine quality, and can be influenced by supply of nutrients such as nitrogen, phosphorus, potassium, zinc, and iron. The present work aims to gain a better understanding of the effect of iron supply on anthocyanins concentration in grape berries. To this end, own-rooted four-year-old Cabernet Sauvignon grapevines (Vitis vinifera) were fertigated every three days with 0, 23, 46, 92, and 184 μM iron (Fe) from ferric ethylenediamine di (o-hydroxyphenylacetic) acid (Fe-EDDHA) in a complete nutrient solution...
February 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28095073/preclinical-and-potential-applications-of-common-western-herbal-supplements-as-complementary-treatment-in-parkinson-s-disease
#8
REVIEW
Luke A Morgan, Oliver Grundmann
Parkinson's disease (PD) is a neurological disorder with a complex pathological etiology, which is not fully understood. Progression of PD may be the result of a buildup of iron in the substantia nigra, microglia-mediated neuroinflammation, dysfunctional mitochondria, or abnormal protein handling. Dopamine is the main neurotransmitter affected, but as the disease progresses, a decrease in all the brain's biogenic amines occurs. Current medication used in the treatment of PD aims to prevent the breakdown of dopamine or increase dopaminergic neurotransmission in the central nervous system...
July 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/26841557/-micronutrient-composition-of-grape-growing-in-dagestan
#9
Z K Bakhmulaeva, S A Magadova
Micronutrient content in Pearl Zala, Pearl Saba, Creamy, and Amber Muscat varieties of grape has been determined. The ultimate analysis has been made by the atomic-absorption flame photometry; ascorbic acid has been determined by the titrometric analysis; rutin, niacin, and carotene have been studied by the colorimetric method. It has been found that the content of potassium (2673.8 mg/kg), calcium (349.0 mg/kg), iron (35.9 mg/kg), silicon (611.3 mg/kg), manganese (0.89 mg/kg) and vitamin C (5.3 mg/dm3) was the highest in Pearl Zala grapes, while the content of zinc (0...
2015: Voprosy Pitaniia
https://www.readbyqxmd.com/read/26639474/efficacy-of-grape-seed-and-skin-extract-against-doxorubicin-induced-oxidative-stress-in-rat-liver
#10
Meherzia Mokni, Sonia Hamlaoui, Safouen Kadri, Ferid Limam, Mohamed Amri, Lamjed Marzouki, Ezzedine Aouani
Doxorubicin (Dox) is an anthracycline used in chemotherapy, although it causes toxicity and oxidative stress. Grape seed and skin extract (GSSE) is a mixture of polyphenolic compounds with antioxidant properties. To evaluate the hepato-toxicity of Dox on healthy rats as well as the protective effect of GSSE, rats were treated with GSSE (500mg/kg bw) during 8 days. At the 4th day of treatment, they received a single dose of Dox (20 mg/kg bw). After the treatment (9th day), livers were collected and processed for oxidative stress status...
November 2015: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/26276277/physiological-responses-in-roots-of-the-grapevine-rootstock-140-ruggeri-subjected-to-fe-deficiency-and-fe-heme-nutrition
#11
Sandra López-Rayo, Michele Di Foggia, Erica Rodrigues Moreira, Silvia Donnini, Giuseppe Bombai, Gianfranco Filippini, Annamaria Pisi, Adamo D Rombolà
Iron (Fe)-heme containing fertilizers can effectively prevent Fe deficiency. This paper aims to investigate root physiological responses after a short period of Fe-heme nutrition and Fe deficiency under two pH conditions (with or without HEPES) in the Fe chlorosis-tolerant grapevine rootstock 140 Ruggeri. Organic acids in root exudates, Fe reduction capacity, both roots and root exudates contributions, together with other physiological parameters associated to plant Fe status were evaluated in plants grown in hydroponics...
November 2015: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/26097996/effects-of-polyphenol-rich-plant-products-from-grape-or-hop-as-feed-supplements-on-iron-zinc-and-copper-status-in-piglets
#12
RANDOMIZED CONTROLLED TRIAL
Anja Fiesel, Melanie Ehrmann, Denise K Geßner, Erika Most, Klaus Eder
Polyphenol-rich plant products as feed supplements have been shown to exert beneficial effects on feed efficiency in piglets. However, tannins as components of polyphenol-rich plant products are able to reduce the absorption of various trace elements. The present study investigated the effect of two polyphenol-rich dietary supplements, grape seed and grape marc meal extract (GME) and spent hops (SH), on iron (Fe), zinc (Zn) and copper (Cu) status in piglets supplied adequately with those trace elements. A trial with three groups of piglets which received a Control diet or the same diet supplemented with either 1% GME or 1% SH over a period of 4 weeks was performed...
2015: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/25910458/the-mechanism-for-degrading-orange-ii-based-on-adsorption-and-reduction-by-ion-based-nanoparticles-synthesized-by-grape-leaf-extract
#13
Fang Luo, Die Yang, Zuliang Chen, Mallavarapu Megharaj, Ravendra Naidu
Biomolecules taken from plant extracts have often been used in the single-step synthesis of iron-based nanoparticles (Fe NPs) due to their low cost, environmental safety and sustainable properties. However, the composition of Fe NPs and the degradation mechanism of organic contaminants by them are limited because these are linked to the reactivity of Fe NPs. In this study, Fe NPs synthesized by grape leaf extract served to remove Orange II. Batch experiments showed that more than 92% of Orange II was removed by Fe NPs at high temperature based on adsorption and reduction and confirmed by kinetic studies...
October 15, 2015: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/25630107/antioxidant-potential-of-different-grape-cultivars-against-fenton-like-reagent-induced-liver-damage-ex-vivo
#14
Indrani Singha, Subir Kumar Das
The phytochemicals present in the grapes are responsible for nutraceutical and health benfits due to their antioxidant properties. These phytochemicals, however, vary greatly among different cultivars. In this study, we evaluated the antioxidant potential and protective role of four different Indian grape (Vitis vinifera) cultivars extracts, namely Flame seedless (Black grapes), Kishmish chorni (Black with reddish brown), Red globe (Red) and Thompson seedless mutant (Sonaka, Green) against the Fenton-like reagent (200 μmole H2O2, 2 mmole ascorbate, 25 μmole FeSO4)-induced liver damage...
October 2014: Indian Journal of Biochemistry & Biophysics
https://www.readbyqxmd.com/read/25583341/biocontrol-ability-and-action-mechanism-of-food-isolated-yeast-strains-against-botrytis-cinerea-causing-post-harvest-bunch-rot-of-table-grape
#15
Lucia Parafati, Alessandro Vitale, Cristina Restuccia, Gabriella Cirvilleri
Strains belonging to the species Saccharomyces cerevisiae, Wickerhamomyces anomalus, Metschnikowia pulcherrima and Aureobasidium pullulans, isolated from different food sources, were tested in vitro as biocontrol agents (BCAs) against the post-harvest pathogenic mold Botrytis cinerea. All yeast strains demonstrated antifungal activity at different levels depending on species and medium. Killer strains of W. anomalus and S. cerevisiae showed the highest biocontrol in vitro activity, as demonstrated by largest inhibition halos...
May 2015: Food Microbiology
https://www.readbyqxmd.com/read/25265354/peculiarities-of-antioxidant-system-and-iron-metabolism-in-organism-during-development-of-tumor-resistance-to-cisplatin
#16
V F Chekhun, Y V Lozovska, A P Burlaka, N Y Lukyanova, I N Todor, L A Naleskina
AIM: To study in vivo the peculiarities of changes of iron metabolism and antioxidant system in dynamics of growth of Guerin carcinoma with different sensitivity to cisplatin. MATERIALS AND METHODS: In order to evaluate the content of metallothionein-1 (MT-1) in tumor homogenates and blood serum of rats with cisplatin-sensitive and cisplatin-resistant Guerin carcinoma the immunoenzyme method was used. The evaluation of ceruloplasmin activity, content of "free iron" complexes, superoxide and NO-generating acti-vity of NADPH-oxidase and iNOS activity in neutrophils, blood serum and tumor homogenates was measured by EPR-spectro-scopy...
September 2014: Experimental Oncology
https://www.readbyqxmd.com/read/25158918/formation-of-fluorescent-carbon-nanodots-from-kitchen-wastes-and-their-application-for-detection-of-fe-3
#17
Jinjin Xu, Tiantian Lai, Zhiling Feng, Xuexiang Weng, Chaobiao Huang
This work reports a scalable synthesis of water-dispersible fluorescent carbon nanodots based on the simple hydrothermal method (180 °C for 6 h) of kitchen wastes (grape peel for example). We discuss the feasibility of synthesis from kitchen wastes both experimentally and theoretically, and the as-prepared nanodots have high selectivity for Fe(3+) ions based on fluorescence quenching which is due to the complexes between nanodots and metal ions.
June 2015: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/25149244/changes-induced-by-trichoderma-harzianum-in-suppressive-compost-controlling-fusarium-wilt
#18
Josefa Blaya, Rubén López-Mondéjar, Eva Lloret, Jose Antonio Pascual, Margarita Ros
The addition of species of Trichoderma to compost is a widespread technique used to control different plant diseases. The biological control activity of these species is mainly attributable to a combination of several mechanisms of action, which may affect the microbiota involved in the suppressiveness of compost. This study was therefore performed to determine the effect of inoculation of Trichoderma harzianum (T. harzianum) on compost, focusing on bacterial community structure (16S rRNA) and chitinase gene diversity...
September 2013: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/24968162/winery-wastewater-treatment-by-combination-of-cryptococcus-laurentii-and-fenton-s-reagent
#19
Cátia Santos, Marco S Lucas, Albino A Dias, Rui M F Bezerra, José A Peres, Ana Sampaio
Winery wastewaters (WW) have high levels of organic matter, resulting in high COD and BOD and suspended solids. This paper studies the combination of biological and chemical processes in WW treatment. Among 10 yeast isolates, Filobasidium sp. (AGG 577) and Cryptococcus laurentii (AGG 726) were selected due to their superior performance in COD removal. During WW degradation, COD and total polyphenols (TPP) content removal of 89-90% for Filobasidium sp. and 90-93% for C. laurentii were obtained. However, despite similar degradation efficiency for both yeasts, COD kinetics and pH evolution during treatment reveals that C...
December 2014: Chemosphere
https://www.readbyqxmd.com/read/24188101/molecular-mechanisms-of-cr-vi-resistance-in-bacteria-and-fungi
#20
REVIEW
Carlo Viti, Emmanuela Marchi, Francesca Decorosi, Luciana Giovannetti
Hexavalent chromium [Cr(VI)] contamination is one of the main problems of environmental protection because the Cr(VI) is a hazard to human health. The Cr(VI) form is highly toxic, mutagenic, and carcinogenic, and it spreads widely beyond the site of initial contamination because of its mobility. Cr(VI), crossing the cellular membrane via the sulfate uptake pathway, generates active intermediates Cr(V) and/or Cr(IV), free radicals, and Cr(III) as the final product. Cr(III) affects DNA replication, causes mutagenesis, and alters the structure and activity of enzymes, reacting with their carboxyl and thiol groups...
July 2014: FEMS Microbiology Reviews
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