نتایج جستجو برای: vitis vinifera
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BACKGROUND Worldwide, grapes and their derived products have a large market. The cultivated grape species Vitis vinifera has potential to become a model for fruit trees genetics. Like many plant species, it is highly heterozygous, which is an additional challenge to modern whole genome shotgun sequencing. In this paper a high quality draft genome sequence of a cultivated clone of V. vinifera Pi...
A chitinase was purified from Vitis vinifera Manzoni Bianco grape juice and characterized. On the basis of proteomic analysis of tryptic peptides, a significant match identified the enzyme as a type IV grape chitinase previously found in juices of other V. vinifera varieties. The optimal pH and temperature for activity toward colloidal chitin were found to be 6 and 30 °C, respectively. The enzy...
Genetic mapping studies have suggested that diploid cotton (Gossypium) might be an ancient polyploid. However, further evidence is lacking due to the complexity of the genome and the lack of sequence resources. Here, we used the grape (Vitis vinifera) genome as an out-group in two different approaches to further explore evidence regarding ancient genome duplication (WGD) event(s) in the diploid...
The effects of induced mutation produced by five different doses of gamma irradiation (20, 25, 30, 40, and 45 Gy) were determined using molecular approaches in Vitis vinifera cultivars, namely Thompson Seedless (Sultani Çekirdeksiz) (progenitor of seedless vinifera variety) and Kalecik Karasi (one of the best quality wine grape variety of Turkey). Mutant candidates were selected through morphol...
The recovery of inaperturate pollen from functionally female flowers in archaeological layers opens the question a possible pollen-based discrimination between wild and domesticated Vitis vinifera prehistoric times. Pollen analysis applied to archaeology has not routinely considered existence dimorphism Vitis, well-known trait field agrarian studies. Therefore, shape grapevine is ignored by stu...
Grafting vines as a means of propagation was known as early as the 2 century B.C. (Cato in his treatise De agri cultua.). The use of rootstocks in Vitis, however, was not extensively used until 1880 because it was the only effective method to combat the devastating root louse phylloxera, Phylloxera vitifoliae (Fitch), (Coombe, 1999). In California, grape growers have been using rootstocks for o...
objective: scientificstudies have shown that vitis vinifera (v. vinifera) contains flavonoids and stillbenoids. flavonoids are well known to possess anxiolytic activities. in view of the idea that flavonoids present in v. vinifera could be useful in anxiety, we evaluated anxiolytic-like activity of v. vinifera juice (vvj). materials and methods: light/dark box and the open field test were used ...
In herbivorous insects with more than 1 host plant, attraction to host odor could conceptually be mediated by common compounds, by specific compounds released by each plant or by combinations of common and specific compounds. We have compared the attraction of female grapevine moth, Lobesia botrana, with specific and common (shared) odors from 2 different plants: a wild host (Daphne gnidium) an...
The transcription factor VaCBF2, which interacts with C-repeat/DRE and its promoter, was isolated from Vitis amurensis. The VaCBF2 amino acid sequence contained a conserved AP2 domain of 56 amino acids and a potential nuclear localization sequence. The sequence of VaCBF2 showed a high level of homology with other CBF2 family members. Phylogenetic analysis showed that the amino acid sequences ma...
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