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vitis vinifera replacement

Yujin Tang, Ruipu Wang, Peijie Gong, Shuxiu Li, Yuejin Wang, Chaohong Zhang
Vacuolar processing enzymes (VPEs) have received considerable attention due to their caspase-1-like activity and ability to regulate programmed cell death (PCD), which plays an essential role in the development of stenospermocarpic seedless grapes ovules. To characterize VPEs and the relationship between stenospermocarpic grapes and the VPE gene family, we identified 3 Vitis vinifera VPE genes (VvβVPE, VvγVPE, and VvδVPE) from the PN40024 grape genome and cloned the full-length complementary DNAs (cDNAs) from the 'Vitis vinifera cv...
2016: PloS One
Eva Zyprian, Iris Ochßner, Florian Schwander, Silvio Šimon, Ludger Hausmann, Martina Bonow-Rex, Paula Moreno-Sanz, Maria Stella Grando, Sabine Wiedemann-Merdinoglu, Didier Merdinoglu, Rudolf Eibach, Reinhard Töpfer
Grapevines (Vitis vinifera L.) form the basis of viticulture, and are susceptible to diseases such as downy mildew (Plasmopara viticola) and powdery mildew (Erysiphe necator). Therefore, successful viticulture programs require the use of pesticides. Breeding for resistance is the only eco-friendly solution. Marker-assisted selection is currently widely used for grapevine breeding. Consequently, traits of interest must be tagged with molecular markers linked to quantitative trait loci (QTL). We herein present our findings regarding genetic mapping and QTL analysis of resistance to downy and powdery mildew diseases in the progenies of the GF...
August 2016: Molecular Genetics and Genomics: MGG
Nan Zhao, Hong Lin, Suque Lan, Qidong Jia, Xinlu Chen, Hong Guo, Feng Chen
The known members of plant methyl esterase (MES) family catalyze the hydrolysis of a C-O ester linkage of methyl esters of several phytohormones including indole-3-acetic acid, salicylic acid and jasmonic acid. The genome of grapevine (Vitis vinifera) was found to contain 15 MES genes, designated VvMES1-15. In this report, VvMES5 was selected for molecular, biochemical and structural studies. VvMES5 is most similar to tomato methyl jasmonate esterase. E. coli-expressed recombinant VvMES5 displayed methyl jasmonate (MeJA) esterase activity, it was renamed VvMJE1...
May 2016: Plant Physiology and Biochemistry: PPB
Lamprini Karygianni, Ali Al-Ahmad, Aikaterini Argyropoulou, Elmar Hellwig, Annette C Anderson, Alexios L Skaltsounis
Oral diseases such as caries and periodontitis are mainly caused by microbial biofilms. Antibiotic therapy has reached its limits with regard to antimicrobial resistance, and new therapeutic measures utilizing natural phytochemicals are currently a focus of research. Hence, this systematic review provides a critical presentation of the antimicrobial effects of various medicinal herbs against in vitro, ex vivo, and in situ formed multispecies oral biofilms. Searches were performed in three English databases (PubMed, EMBASE, CAMbase) and the electronic archives of five German journals from the times of their establishment until October 10th, 2014, with the search terms "(plant extracts OR herbal extracts OR plant OR herb) AND (oral biofilm OR dental biofilm OR dental plaque OR oral disease OR dental disease)...
2015: Frontiers in Microbiology
Lingye Su, Zhanwu Dai, Shaohua Li, Haiping Xin
BACKGROUND: Grape production in continental climatic regions suffers from the combination of drought and cold stresses during winter. Developing a reliable system to simulate combined drought-cold stress and to determine physiological responses and regulatory mechanisms is important. Evaluating tolerance to combined stress at germplasm level is crucial to select parents for breeding grapevines. RESULTS: In the present study, two species, namely, Vitis amurensis and V...
2015: BMC Plant Biology
Namita Bhan, Lingyun Li, Chao Cai, Peng Xu, Robert J Linhardt, Mattheos A G Koffas
A novel C17 resorcylic acid was synthesized by a structure-guided Vitis vinifera stilbene synthase (STS) mutant, in which threonine 197 was replaced with glycine (T197G). Altering the architecture of the coumaroyl binding and cyclization pocket of the enzyme led to the attachment of an extra acetyl unit, derived from malonyl-CoA, to p-coumaroyl-CoA. The resulting novel pentaketide can be produced strictly by STS-like enzymes and not by Chalcone synthase-like type III polyketide synthases; due to the unique thioesterase like activity of STS-like enzymes...
February 2015: Protein Science: a Publication of the Protein Society
Sara Santos, Manuela Oliveira, António Amorim, Barbara van Asch
The grapevine (Vitis vinifera subsp. vinifera) is one of the most important agricultural crops worldwide. A long interest in the historical origins of ancient and cultivated current grapevines, as well as the need to establish phylogenetic relationships and parentage, solve homonymies and synonymies, fingerprint cultivars and clones, and assess the authenticity of plants and wines has encouraged the development of genetic identification methods. STR analysis is currently the most commonly used method for these purposes...
November 2014: Electrophoresis
P T Kanellos, A C Kaliora, N K Tentolouris, V Argiana, D Perrea, N Kalogeropoulos, A M Kountouri, V T Karathanos
OBJECTIVES: Dried fruits, like their fresh homologues, contain relatively high concentrations of antioxidants. The aim of this study was to determine the health outcomes of raisin consumption on patients with diabetes. METHODS: We examined the effects of dried grapes (Vitis vinifera) cultivated in Greece, namely Corinthian Raisins (CR) on blood pressure, fasting glucose, glucated hemoglobin (HbA1c), lipid peroxidation, high-sensitivity C-reactive protein, antioxidant status, and cytokines in patients with type 2 diabetes mellitus (T2DM)...
March 2014: Nutrition
Eiichi Mizohata, Takuma Okuda, Seika Hatanaka, Taisuke Nakayama, Manabu Horikawa, Toru Nakayama, Eiichiro Ono, Tsuyoshi Inoue
Grapevine (Vitis vinifera) glycosyltransferase 5 (VvGT5) is a UDP-glucuronic acid:flavonol-3-O-glucuronosyltransferase that catalyses the 3-O-specific glucuronosylation of flavonols using UDP-glucuronic acid as a sugar donor to produce flavonol 3-O-glucosides, which are important bioactive phytochemicals. Recombinant VvGT5 expressed in Escherichia coli cells was purified and crystallized by the sitting-drop vapour-diffusion method. A full set of X-ray diffraction data was collected to 2.2 Å Bragg spacing from a single crystal using a synchrotron-radiation source...
January 1, 2013: Acta Crystallographica. Section F, Structural Biology and Crystallization Communications
Luís Leitão, Catarina Prista, Teresa F Moura, Maria C Loureiro-Dias, Graça Soveral
Grapevine (Vitis vinifera L.) is one of the oldest and most important perennial crops being considered as a fruit ligneous tree model system in which the water status appears crucial for high fruit and wine quality, controlling productivity and alcohol level. V. vinifera genome contains 28 genes coding for aquaporins, which acting in a concerted and regulated manner appear relevant for plant withstanding extremely unfavorable drought conditions essential for the quality of berries and wine. Several Vv aquaporins have been reported to be expressed in roots, shoots, berries and leaves with clear cultivar differences in their expression level, making their in vivo biochemical characterization a difficult task...
2012: PloS One
Erica Mica, Viviana Piccolo, Massimo Delledonne, Alberto Ferrarini, Mario Pezzotti, Cesare Casati, Cristian Del Fabbro, Giorgio Valle, Alberto Policriti, Michele Morgante, Graziano Pesole, M Enrico Pè, David S Horner
UNLABELLED: The version of this article published in BMC Genomics 2009, 10:558, contains data in Table 1 which are now known to be unreliable, and an illustration, in Figure 1, of unusual miRNA processing events predicted by these unreliable data. In this full-length correction, new data replace those found to be unreliable, leading to a more straightforward interpretation without altering the principle conclusions of the study. Table 1 and associated methods have been corrected, Figure 1 deleted, supplementary file 1 added, and modifications made to the sections "Deep sequencing of small RNAs from grapevine leaf tissue" and "Microarray analysis of miRNA expression"...
2010: BMC Genomics
A Fournier-Level, T Lacombe, L Le Cunff, J-M Boursiquot, P This
Polymorphisms in the grape transcription factor family VvMybA are responsible for variation in anthocyanin content in the berries of cultivated grapevine (Vitis vinifera L. subsp. sativa). Previous study has shown that white grapes arose through the mutation of two adjacent genes: a retroelement insertion in VvMybA1 and a single-nucleotide polymorphism mutation in VvMybA2. The purpose of this study was to understand how these mutations emerged and affected genetic diversity at neighbouring sites and how they structured the genetic diversity of cultivated grapevines...
April 2010: Heredity
Fathi Hassan, Jochen Meens, Hans-Jörg Jacobsen, Heiko Kiesecker
Embryo axes excised from mature seeds of pea (Pisum sativum L.) cv. 'Sponsor' were used as explants for Agrobacterium-mediated transformation using pGreenII 0229 binary vectors. The vectors harbored a chimeric chitinase gene (chit30), driven by the constitutive 35S promoter or the elicitor inducible stilbene synthase (vst) promoter from grape (Vitis vinifera L.). The secretion signal of the bacterial chitinase gene from Streptomyces olivaceoviridis ATCC 11238 (DSM 41433) was replaced by the A. thaliana basic chitinase leader sequence...
September 25, 2009: Journal of Biotechnology
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