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jimsonweed/nikotín
Odkaz sa uloží do schránky
Strana 1 od 107 výsledky
First Report of Tobacco vein banding mosaic virus in China (Xian, Shaanxi Province) in Datura stramonium and Tobacco.
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Tobacco vein banding mosaic virus (TVBMV) has been reported in Taiwan (1), North America (Tennessee) (2), and Japan (3) and induces a severe disease of tobacco. During surveys on viruses of vegetables in China, TVBMV was isolated from a Datura stramonium weed plant in July 1998 in Shaanxi Province.
Expression of an antisense Datura stramonium S-adenosylmethionine decarboxylase cDNA in tobacco: changes in enzyme activity, putrescine-spermidine ratio, rhizogenic potential, and response to methyl jasmonate.
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S-adenosylmethionine decarboxylase activity (SAMDC; EC 4.1.1.21) leads to spermidine and spermine synthesis through specific synthases which use putrescine, spermidine and decarboxylated S-adenosylmethionine as substrates. In order to better understand the regulation of polyamine (PA), namely
Primary function for a chemical defense? Nicotine does not protect Datura stramonium L from UV damage.
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The chemical defenses of plants are thought to play many different functional roles, all of which in some way decrease the costs of deploying the defense. However, few of these other functions have been tested with metabolites that are clearly defensive. Nicotine is a potent chemical defense with a
Assessing the tobacco-rattle-virus-based vectors system as an efficient gene silencing technique in Datura stramonium (Solanaceae).
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Datura stramonium is a well-known medicinal plant, which is important for its alkaloids. There are intrinsic limitations for the natural production of alkaloids in plants; metabolic engineering methods can be effectively used to conquer these limitations. In order for this the genes involved in
[TMV-infection localization and development of induced virus resistance in Nicotiana sanderae Hort., Datura stramonium L. and Datura metel].
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The localization of virus infection and development of local and systemic induced resistance in plants Nicotiana sanderae Hort., Datura stramonium L. and D. metel L. infected by TMV have been studied. It was shown that acquired resistance to the second infection is induced in hypersensitive plants
[Observation of cells tolerant of tobacco mosaic virus in virus-induced local lesions in Datura stramonium L. leaves].
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Ultrastructural examination of tobacco mosaic virus-induced local lesions developing in leaves of Datura stramonium plants demonstrated that, in the central area of the lesions, the cell response to viral invasion was not uniform. Most cells exhibited an acute hypersensitive reaction and underwent
LC-MS/MS based comparative proteomics of floral nectars reveal different mechanisms involved in floral defense of Nicotiana spp., Petunia hybrida and Datura stramonium.
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Tobacco floral nectar (FN) is a biological fluid produced by nectaries composed of sugars, amino acids and proteins called nectarins, involved in the floral defense. FN provides an ideal source of nutrients for microorganisms. Understanding the role of nectar proteins is essential to predict impacts
Visualization of tobacco mosaic virus in local lesions of Datura stramonium.
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[Applicability of Datura stramonium for the determination of titer of tobacco mosaic virus].
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Tobacco ringspot virus Found in the Cardboard Cycad (Zamia furfuracea) in Florida.
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Zamia furfuracea (Zamiaceae) is native of coastal Mexico. It is a popular houseplant and easy to grow outdoors in warm climates. In November 2005, a plant of Z. furfuracea, originally from Texas, was received at the Division of Plant Industry in Gainesville, FL. The plant had numerous chlorotic
EVOLUTIONARY ECOLOGY OF DATURA STRAMONIUM L. IN CENTRAL MEXICO: NATURAL SELECTION FOR RESISTANCE TO HERBIVOROUS INSECTS.
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It has been assumed that herbivores constitute a selective agent for the evolution of plant resistance. However, few studies have tested this hypothesis. In this study, we look at the annual weed Datura stramonium for evidence of current natural selection for resistance to herbivorous insects.
First Report of Tobacco streak virus Infecting Safflower (Carthamus tinctorius) in Maharashtra, India.
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Safflower, Carthamus tinctorius L. (Asteraceae), is extensively cultivated in India, China, and other parts of Asia for edible oil, dyeing agent, and its medicinal value. In 2003, safflower entry (NARI-6) in the All-India Coordinated Research Project on Oilseeds (Safflower) grown in the experimental
A Closterovirus (Family: Closteroviridae) Isolated from Tobacco Crops in Northern Greece (Macedonia).
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In 1997, viruslike symptoms similar to those caused by potato potyvirus Y (PVY) were observed in tobacco (Nicotiana tabacum ) plants of the cv. Basmas in the area of Drama (Macedonia) in northern Greece. Diseased plants showed vein clearing and necrosis of the petioles and main veins, and were
Protein chemotaxonomy of the solanaceae. VI. Amino acid sequence of ferredoxin from Nicotian tabacum.
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The complete amino acid sequence of [2Fe-2S] ferredoxin from Nicotiana tabacum has been determined by automated Edman degradation of the entire Cm-protein and of the peptides obtained by trypsin and Asp-N endoproteinase digestions. This ferredoxin exhibited 9, 10, 8, and 10 differences respectively
Tobacco streak virus isolated from lettuce.
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Tobacco streak virus (TSV) is an ilarvirus with a worldwide distribution. This virus infects many plants and causes significant yield losses. In this study, 300 samples of lettuce were collected from lettuce fields in Tehran Province. Infected plants show symptoms such as: mosaic, vein clearing,
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