Nathalie Ollat

ORCID: 0000-0002-6182-9686
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About
Contact & Profiles
Research Areas
  • Horticultural and Viticultural Research
  • Plant Physiology and Cultivation Studies
  • Fermentation and Sensory Analysis
  • Plant Pathogens and Fungal Diseases
  • Wine Industry and Tourism
  • Plant Disease Management Techniques
  • Agriculture and Rural Development Research
  • French Urban and Social Studies
  • Nematode management and characterization studies
  • Plant Water Relations and Carbon Dynamics
  • Forest Insect Ecology and Management
  • Nuts composition and effects
  • Plant Virus Research Studies
  • Plant nutrient uptake and metabolism
  • Plant biochemistry and biosynthesis
  • Greenhouse Technology and Climate Control
  • Plant Reproductive Biology
  • Plant and animal studies
  • Plant tissue culture and regeneration
  • Tree Root and Stability Studies
  • Plant Surface Properties and Treatments
  • Plant Gene Expression Analysis
  • Biochemical and biochemical processes
  • Postharvest Quality and Shelf Life Management
  • Education, sociology, and vocational training

Ecophysiologie et Génomique Fonctionnelle de la Vigne
2016-2025

Université de Bordeaux
2016-2025

Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2020-2025

École Nationale Supérieure des Sciences Agronomiques de Bordeaux-Aquitaine
2016-2025

Unité de Recherche Œnologie
2016-2025

Institut National Polytechnique de Toulouse
2011-2019

Centre National de la Recherche Scientifique
2017

Institut National de la Recherche Agronomique
2006-2015

Instituto de Ciencias de la Vid y del Vino
2014

Interactions Sol Plante Atmosphère
2014

Climate change will impose increasingly warm and dry conditions on vineyards. Wine quality yield are strongly influenced by climatic depend complex interactions between temperatures, water availability, plant material, viticultural techniques. In established winegrowing regions, growers have optimized choosing material techniques according to local conditions, but as the climate changes, these need be adjusted. Adaptations higher temperatures include changing (e.g., rootstocks, cultivars...

10.3390/agronomy9090514 article EN cc-by Agronomy 2019-09-05

We elucidate grapevine evolution and domestication histories with 3525 cultivated wild accessions worldwide. In the Pleistocene, harsh climate drove separation of grape ecotypes caused by continuous habitat fragmentation. Then, occurred concurrently about 11,000 years ago in Western Asia Caucasus to yield table wine grapevines. The domesticates dispersed into Europe early farmers, introgressed ancient western ecotypes, subsequently diversified along human migration trails muscat unique...

10.1126/science.add8655 article EN Science 2023-03-02

Photosynthetic carbon isotope composition (δ13C) was measured on sugars in mature fruits from field‐grown grapevines. Sugar δ13C and summer predawn leaf water potential were significantly correlated. The survey of different vineyards during four growing seasons showed that sugar must at harvest varied −20‰ to −26‰ when conditions berry maturation dry wet. This range allows a very sensitive detection grapevine status under natural conditions. However, local differences due soil capacity...

10.1093/jexbot/53.369.757 article EN Journal of Experimental Botany 2002-04-01

Grafting is particularly important to the cultivation of perennial crops such as grapevine (Vitis vinifera) because rootstocks can provide resistance soil-borne pests and diseases well improve tolerance some abiotic stresses. Successful grafting a complex biochemical structural process beginning with adhesion two grafted partners, followed by callus formation establishment functional vascular system. At molecular level, sequence events underlying graft union remains largely uncharacterized....

10.1093/jxb/ert144 article EN cc-by-nc Journal of Experimental Botany 2013-05-22

Grapevine canes are rich in resveratrol and its complex derivatives. These compounds have many biological activities needed mainly for health purposes. Canes, which often wasted, can be used to produce these high-value at low cost. We studied sixteen Vitis vinifera L. cultivars among the most widely cultivated ones worldwide. Polyphenols were extracted from their identified by liquid chromatography-nuclear magnetic resonance spectroscopy. accurately determined content of E-ε-viniferin,...

10.1021/jf403716y article EN Journal of Agricultural and Food Chemistry 2013-10-31

Although grafting is widely used in the agriculture of fruit-bearing crops, little known about graft union formation particular when two different species are grafted together. It fascinating that plant brought together can develop harmoniously as one organism for many decades. The objective this study was to determine whether grapevine genotypes alters gene expression at interface comparison presumably wound-like changes induced autografts. Gene studied 3, 7, 14, and 28 d after hetero-...

10.1093/jxb/eru145 article EN cc-by Journal of Experimental Botany 2014-04-01

In order to cope with phylloxera, most grapes worldwide must be grafted on a rootstock. Furthermore, grapevine rootstocks are an essential underground structure for the plant face various pests and diseases adapt different types of soil. This review focuses existing information about rootstock properties in relation adaptation biotic abiotic stress factors. The main focus will given resistance phylloxera nematodes. Abiotic factors, including drought, salinity lime-induced chlorosis, also...

10.1002/9781118735985.ch4 preprint EN 2015-11-30

Abstract Soil microbiota has increasingly been shown to play an integral role in viticulture resilience. The emergence of new metagenomic and culturomic technologies led significant advances the study microbial biodiversity. In agricultural sector, soil plant microbiomes have found significantly improve resistance environmental stressors diseases, as well influencing crop yields fruit quality thus improving sustainability under shifting environments. Grapevines are usually cultivated a scion...

10.1093/hr/uhac019 article EN cc-by Horticulture Research 2022-01-01

Evaluating the potential climatic suitability for premium wine production is crucial adaptation planning in Europe. While new regions may emerge out of traditional boundaries, most present-day renowned winemaking be threatened by climate change. Here, we analyse future evolution geography over Europe, through definition a novel indicator, which calculated projected grapevine phenological phases to account their possible contractions under global warming. Our approach consists coupling six...

10.1111/gcb.16493 article EN cc-by-nc-nd Global Change Biology 2022-11-14

Background and Aims: Grafting is used in viticulture worldwide. Rootstocks are known to alter scion development or 'confer vigour' varying degrees. This work examines scion/rootstock interactions young grafted grapevines. Its aim was determine the effects of rootstock genotypes on biomass allocation within plant. Methods Results: Five months after grafting, between root shoot measured for all combinations made three Vitis genotypes. The genotype explained highest percentage non-random...

10.1111/j.1755-0238.2009.00090.x article EN Australian Journal of Grape and Wine Research 2009-12-17

Grafting is widely used in the agriculture of fruit-bearing crops; rootstocks are known to confer differences scion biomass addition improving other traits agricultural interest. However, little about effect on gene expression. The objective this study was determine whether hetero-grafting grapevine variety Vitis vinifera cv. 'Cabernet Sauvignon N’ with two different alters expression shoot apex comparison auto-grafted control. Cabernet hetero-grafted commercial rootstock genotypes and...

10.1186/1471-2229-13-147 article EN cc-by BMC Plant Biology 2013-01-01

Abstract Climate change will have a profound effect on vine growing worldwide. Wine quality also be affected, which raise economic issues. Possible adaptations may result from changes in plant material, viticultural techniques, and the wine-making process. Relocation of vineyards to cooler areas increased irrigation are other options, but they potential conflicts for land water use. Grapes currently grown many regions around world, growers adapted their practices wide range climatic...

10.1017/jwe.2016.3 article EN Journal of Wine Economics 2016-05-01
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