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https://www.readbyqxmd.com/read/28417959/genome-sequence-of-plasmopara-viticola-and-insight-into-the-pathogenic-mechanism
#1
Ling Yin, Yunhe An, Junjie Qu, Xinlong Li, Yali Zhang, Ian Dry, Huijuan Wu, Jiang Lu
Plasmopara viticola causes downy mildew disease of grapevine which is one of the most devastating diseases of viticulture worldwide. Here we report a 101.3 Mb whole genome sequence of P. viticola isolate 'JL-7-2' obtained by a combination of Illumina and PacBio sequencing technologies. The P. viticola genome contains 17,014 putative protein-coding genes and has ~26% repetitive sequences. A total of 1,301 putative secreted proteins, including 100 putative RXLR effectors and 90 CRN effectors were identified in this genome...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28407189/molecular-analysis-of-genetic-diversity-among-vine-accessions-using-dna-markers
#2
A F da Costa, P E Teodoro, L L Bhering, F D Tardin, R F Daher, W F Campos, A P Viana, M G Pereira
Viticulture presents a number of economic and social advantages, such as increasing employment levels and fixing the labor force in rural areas. With the aim of initiating a program of genetic improvement in grapevine from the State University of the state of Rio de Janeiro North Darcy Ribeiro, genetic diversity between 40 genotypes (varieties, rootstock, and species of different subgenera) was evaluated using Random amplified polymorphic DNA (RAPD) molecular markers. We built a matrix of binary data, whereby the presence of a band was assigned as "1" and the absence of a band was assigned as "0...
April 13, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28402188/effects-of-a-worksite-supervised-adapted-physical-activity-program-on-trunk-muscle-endurance-flexibility-and-pain-sensitivity-among-vineyard-workers
#3
Romain Balaguie, Pascal Madeleine, Kévin Rose-Dulcina, Nicolas Vuillerme
OBJECTIVES: In viticulture, the prevalence of low back pain is particularly high among vineyard workers exposed to sustained and awkward postures. One promising setting for low back pain prevention resides in the implementation of workplace physical activity. METHODS: This non-randomized pilot study aims at evaluating the effects of a worksite supervised adapted physical activity program among seventeen vineyard-workers volunteered to enter either an intervention group (n=10) or a control group (n=7)...
April 12, 2017: Journal of Agromedicine
https://www.readbyqxmd.com/read/28384277/trunk-kinematics-and-low-back-pain-during-pruning-among-vineyard-workers-a-field-study-at-the-chateau-larose-trintaudon
#4
Romain Balaguier, Pascal Madeleine, Kévin Rose-Dulcina, Nicolas Vuillerme
The prevalence of low back disorders is dramatically high in viticulture. Field measurements that objectively quantify work exposure can provide information on the relationship between the adopted trunk postures and low back pain. The purposes of the present study were three-fold (1) to carry out a kinematics analysis of vineyard-workers' pruning activity by extracting the duration of bending and rotation of the trunk, (2) to question separately the relationship between the duration of forward bending or trunk rotation with low back pain intensity and pressure pain sensitivity and (3) to question the relationship between the combined duration of forward bending and trunk rotation on low back pain intensity and pressure pain sensitivity...
2017: PloS One
https://www.readbyqxmd.com/read/28330557/loss-of-anthocyanins-and-modification-of-the-anthocyanin-profiles-in-grape-berries-of-malbec-and-bonarda-grown-under-high-temperature-conditions
#5
Inés de Rosas, María Teresa Ponce, Emiliano Malovini, Leonor Deis, Bruno Cavagnaro, Pablo Cavagnaro
Malbec and Bonarda are the two most widely cultivated grape varieties in Argentina, and their derived red wines are recognized worldwide, being their intense color a major quality trait. The temperature during fruit ripening conditions berries color intensity. In the main viticulture region of Malbec and Bonarda a 2-3°C increase in temperature has been predicted for the upcoming years as consequence of the global climate change. In the present study, this predicted temperature raise was simulated under field-crop conditions, and its effect on anthocyanin pigmentation in berries of Malbec and Bonarda was monitored by HPLC analysis throughout the ripening process, in two growing seasons...
May 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28294060/wine-chemical-composition-and-radical-scavenging-activity-of-some-cabernet-franc-clones
#6
Jelena Popović-Djordjević, Boris Pejin, Aleksandra Dramićanin, Sonja Jović, Dragan Vujović, Dragoljub Žunić, Renata Ristić
BACKGROUND: Three clones of Cabernet Franc (Nos. 02, 010 and 012) were selected in the last phase of clonal selection in Serbia. Wines made from each clone were assessed for quality parameters and taste during five consecutive vintages (2008-2012) and compared to the standard. The wine quality was determined based on the following parameters: alcohol, total extract, anthocyanins, tannins, pH, titratable acidity, volatile acidity, aldehydes, esters and reducing sugars, relative density, ash, colour, tonality, and tasting score...
March 13, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28245619/vinesens-an-eco-smart-decision-support-viticulture-system
#7
Josman P Pérez-Expósito, Tiago M Fernández-Caramés, Paula Fraga-Lamas, Luis Castedo
This article presents VineSens, a hardware and software platform for supporting the decision-making of the vine grower. VineSens is based on a wireless sensor network system composed by autonomous and self-powered nodes that are deployed throughout a vineyard. Such nodes include sensors that allow us to obtain detailed knowledge on different viticulture processes. Thanks to the use of epidemiological models, VineSens is able to propose a custom control plan to prevent diseases like one of the most feared by vine growers: downy mildew...
February 25, 2017: Sensors
https://www.readbyqxmd.com/read/28238575/impacts-of-climate-and-land-use-changes-on-the-water-quality-of-a-small-mediterranean-catchment-with-intensive-viticulture
#8
D Serpa, J P Nunes, J J Keizer, N Abrantes
Studies that address the potential effects of climate and land use changes on surface water quality are scarce in the Mediterranean region. In the present work, the impacts of climate and land use changes on nutrient and copper exports from a humid Mediterranean catchment (São Lourenço) were evaluated using the SWAT model. SWAT reproduced reasonably well total nitrogen (TN), phosphorus (TP) and copper (Cu) exports in São Lourenço, providing an adequate baseline scenario as well as a suitable model parameterization for assessing the impacts of climate and land use changes under the A1B and B1 emission scenarios for the end of the 21st century (2071-2100)...
February 23, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28208805/defense-responses-in-grapevine-cv-mourv%C3%A3-dre-after-inoculation-with-the-botryosphaeria-dieback-pathogens-neofusicoccum-parvum-and-diplodia-seriata-and-their-relationship-with-flowering
#9
Alessandro Spagnolo, Vincenzo Mondello, Philippe Larignon, Sandra Villaume, Fanja Rabenoelina, Christophe Clément, Florence Fontaine
As a result of the increasing economic impact of grapevine trunk diseases on viticulture worldwide, efficient and viable control strategies are urgently needed. However, understanding both plant-pathogen interactions and plant physiological changes related to these diseases is fundamental to such an achievement. In this study, we analyzed the effect of inoculation with the Botryosphaeria dieback fungal agents, Neofusicoccum parvum and Diplodia seriata, with and without inflorescence removal at the onset of G stage (separated clusters), I stage (flowering) and M stage (veraison)...
February 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28197155/dissecting-the-biochemical-and-transcriptomic-effects-of-a-locally-applied-heat-treatment-on-developing-cabernet-sauvignon-grape-berries
#10
Fatma Lecourieux, Christian Kappel, Philippe Pieri, Justine Charon, Jérémy Pillet, Ghislaine Hilbert, Christel Renaud, Eric Gomès, Serge Delrot, David Lecourieux
Reproductive development of grapevine and berry composition are both strongly influenced by temperature. To date, the molecular mechanisms involved in grapevine berries response to high temperatures are poorly understood. Unlike recent data that addressed the effects on berry development of elevated temperatures applied at the whole plant level, the present work particularly focuses on the fruit responses triggered by direct exposure to heat treatment (HT). In the context of climate change, this work focusing on temperature effect at the microclimate level is of particular interest as it can help to better understand the consequences of leaf removal (a common viticultural practice) on berry development...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28130146/first-finding-of-a-dual-meaning-x-wave-for-phloem-and-xylem-fluid-ingestion-characterization-of-scaphoideus-titanus-hemiptera-cicadellidae-epg-waveforms
#11
Julien Chuche, Elaine A Backus, Denis Thiery, Nicolas Sauvion
The leafhopper Scaphoideus titanus (Hemiptera: Cicadomorpha: Cicadellidae), an invasive deltocephaline species introduced into Europe from North America, is the vector of the most important phytoplasma disease in European viticulture, flavescence dorée. In this first electropenetrography (EPG) study of S. titanus, we characterized its feeding waveforms and defined their biological meanings. Four typical waveform phases (pathway, X wave, sustained ingestion, and interruption) and four families within those phases (A, B, C, and N) were characterized using DC EPG technology...
January 24, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28092750/assessing-common-birds-ecological-requirements-to-address-nature-conservation-in-permanent-crops-lessons-from-italian-vineyards
#12
Giacomo Assandri, Giuseppe Bogliani, Paolo Pedrini, Mattia Brambilla
Viticulture has contributed to shaping cultural landscapes in several regions across all continents. Recent farming intensification is causing landscape homogenization and biodiversity loss in several of those areas, but knowledge about the impacts on biodiversity in vineyards is still scarce. Simplified agro-ecosystems resulting from intensification host mainly generalist and common species, which still play a key role in the regulation of ecosystems and in the provision of ecosystem services. We assessed the abundance of 11 common bird species at 47 linear transects in a vineyard-dominated landscape in Trentino (NE Italy), in both spring and winter, and analysed abundance variation in relation to three independent groups of predictors: landscape, management, and topographic-climatic variables...
January 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28044321/combined-effect-of-virus-infection-and-water-stress-on-water-flow-and-water-economy-in-grapevines
#13
Hanan El Aou-Ouad, Alicia Pou, Magdalena Tomàs, Rafael Montero, Miquel Ribas-Carbo, Hipólito Medrano, Josefina Bota
Water limitation is one of the major threats affecting grapevine production. Thus, improving water use efficiency (WUE) is crucial for a sustainable viticulture industry in Mediterranean regions. Under field conditions, water stress is often combined with viral infections since those are present in major grape-growing areas worldwide. Grapevine leafroll-associated virus 3 (GLRaV-3) is one of the most important viruses, affecting grapevines. Indeed, the optimization of water use in a real context of virus infection is an important topic that needs to be understood...
January 3, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/27999345/combined-use-of-s-pombe-and-l-thermotolerans-in-winemaking-beneficial-effects-determined-through-the-study-of-wines-analytical-characteristics
#14
Ángel Benito, Fernando Calderón, Santiago Benito
The most common way to produce red wine is through the use of Saccharomyces cerevisiae strains for alcoholic fermentation and lactic acid bacteria for malolactic fermentation. This traditional winemaking methodology produces microbiologically stable red wines. However, under specific conditions off-flavours can occur, wine quality can suffer and human health problems are possible, especially after the second fermentation by the lactic acid bacteria. In warm countries, problems during the malolactic fermentation arise because of the high pH of the must, which makes it very difficult to properly control the process...
December 18, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27983669/towards-automated-large-scale-3d-phenotyping-of-vineyards-under-field-conditions
#15
Johann Christian Rose, Anna Kicherer, Markus Wieland, Lasse Klingbeil, Reinhard Töpfer, Heiner Kuhlmann
In viticulture, phenotypic data are traditionally collected directly in the field via visual and manual means by an experienced person. This approach is time consuming, subjective and prone to human errors. In recent years, research therefore has focused strongly on developing automated and non-invasive sensor-based methods to increase data acquisition speed, enhance measurement accuracy and objectivity and to reduce labor costs. While many 2D methods based on image processing have been proposed for field phenotyping, only a few 3D solutions are found in the literature...
December 15, 2016: Sensors
https://www.readbyqxmd.com/read/27979080/distribution-of-yloid-in-soil-grapevine-system-vitis-vinifera-l-as-tool-for-geographical-characterization-of-agro-food-products-a-two-years-case-study-on-different-grafting-combinations
#16
Antonino Pisciotta, Livia Tutone, Filippo Saiano
The knowledge of a chemistry relationship between the soil and the agricultural products is an important tool for the quality assessment of food. We studied YLOID (Y, La and lanthanoids), recognized as very useful tracers due their coherent and predictable behavior, to trace and evaluate their distribution from soil to the grape in Vitis vinifera L. Because much of the world's viticulture is based on grafting, and rootstocks have proved affect vine growth, yield, fruit and wine quality, we carried out experimental trials to analyse the YLOID distribution of two different red cultivars, grafted onto six different rootstocks, on the same soil...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27917288/towards-an-open-grapevine-information-system
#17
REVIEW
A-F Adam-Blondon, M Alaux, C Pommier, D Cantu, Z-M Cheng, G R Cramer, C Davies, S Delrot, L Deluc, G Di Gaspero, J Grimplet, A Fennell, J P Londo, P Kersey, F Mattivi, S Naithani, P Neveu, M Nikolski, M Pezzotti, B I Reisch, R Töpfer, M A Vivier, D Ware, H Quesneville
Viticulture, like other fields of agriculture, is currently facing important challenges that will be addressed only through sustained, dedicated and coordinated research. Although the methods used in biology have evolved tremendously in recent years and now involve the routine production of large data sets of varied nature, in many domains of study, including grapevine research, there is a need to improve the findability, accessibility, interoperability and reusability (FAIR-ness) of these data. Considering the heterogeneous nature of the data produced, the transnational nature of the scientific community and the experience gained elsewhere, we have formed an open working group, in the framework of the International Grapevine Genome Program (www...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27890088/fungal-endophytic-communities-associated-to-the-phyllosphere-of-grapevine-cultivars-under-different-types-of-management
#18
Carla Marisa Reis Varanda, Mônica Oliveira, Patrick Materatski, Miguel Landum, Maria Ivone Esteves Clara, Maria do Rosário Félix
Fungal endophytes present in different asymptomatic grapevine plants (Vitis vinifera L.) located in different vineyards within Alentejo, a highly important viticulture region in Portugal, were identified in this study. Sampled grapevine plants included the three most representative cultivars in the region, Syrah, Cabernet Sauvignon, and Aragonez, growing under two different modes of management, conventional and biological. Sixteen fungal taxa were identified through sequencing of the internal transcribed spacer region...
December 2016: Fungal Biology
https://www.readbyqxmd.com/read/27825476/development-of-microsatellite-markers-for-lachancea-thermotolerans-typing-and-population-structure-of-wine-associated-isolates
#19
COMPARATIVE STUDY
Georgios Banilas, Georgios Sgouros, Aspasia Nisiotou
Lachancea (Kluyveromyces) thermotolerans is an important member of the grape/wine yeast community with great technological potential for the wine industry. Although several molecular marker techniques have been developed for typing different yeast species, no one has been designed so far for L. thermotolerans. Here we present a simple and efficient method based on a multilocus SSR analysis for molecular typing and genetic diversity assessment of L. thermotolerans isolates. Following whole genome screening, five polymorphic microsatellite markers were selected and tested on a panel of grape isolates from different vineyards of two geographically separated viticultural zones, Nemea and Peza, in Greece...
December 2016: Microbiological Research
https://www.readbyqxmd.com/read/27798692/spatial-variability-of-grapevine-bud-burst-percentage-and-its-association-with-soil-properties-at-field-scale
#20
Tao Li, Xinmei Hao, Shaozhong Kang
There is a growing interest in precision viticulture with the development of global positioning system and geographical information system technologies. Limited information is available on spatial variation of bud behavior and its possible association with soil properties. The objective of this study was to investigate spatial variability of bud burst percentage and its association with soil properties based on 2-year experiments at a vineyard of arid northwest China. Geostatistical approach was used to describe the spatial variation in bud burst percentage within the vineyard...
2016: PloS One
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