boron/nicotiana

הקישור נשמר בלוח

מאמריםניסויים קלינייםפטנטים

בחר סוג מיון

עמוד 1 מ 16 תוצאות

Boron nutrition of tobacco BY-2 cells. V. oxidative damage is the major cause of cell death induced by boron deprivation.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Boron (B) is an essential micronutrient for vascular plants. However, it remains unclear how B deficiency leads to various metabolic disorders and cell death. To understand this mechanism, we analyzed the physiological changes in suspension-cultured tobacco (Nicotiana tabacum) BY-2 cells upon B

Boron deficiency causes a drastic decrease in nitrate content and nitrate reductase activity, and increases the content of carbohydrates in leaves from tobacco plants

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Tobacco (Nicotiana tabacum L.) plants were used to study connections between deficiency in boron and nitrate reduction. Boron deficiency caused a substantial decrease in shoot and, particularly, root weights that resulted in a notably high shoot/root ratio in comparison to boron-sufficient plants.

The coat protein of Alternanthera mosaic virus is the elicitor of a temperature-sensitive systemic necrosis in Nicotiana benthamiana, and interacts with a host boron transporter protein.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Different isolates of Alternanthera mosaic virus (AltMV; Potexvirus), including four infectious clones derived from AltMV-SP, induce distinct systemic symptoms in Nicotiana benthamiana. Virus accumulation was enhanced at 15 °C compared to 25 °C; severe clone AltMV 3-7 induced systemic necrosis (SN)

Boron deficiency increases putrescine levels in tobacco plants.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Polyamine concentrations were determined in leaves and roots of tobacco plants (Nicotiana tabacum L.) subjected to a short-term boron deficiency. A decrease in the growth of shoots and, especially, roots was found under this mineral deficiency. Boron deficiency did not lead to a significant decrease

Expression of root glutamate dehydrogenase genes in tobacco plants subjected to boron deprivation.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Recently it has been reported that boron (B) deficiency increases the expression of Nicotiana tabacum asparagine synthetase (AS) gene in roots, and that AS might play a main role as a detoxifying mechanism to convert ammonium into asparagine. Interestingly, glutamate dehydrogenase (GDH) genes,

Use of phenylboronic acids to investigate boron function in plants. Possible role of boron in transvacuolar cytoplasmic strands and cell-to-wall adhesion.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

The only defined physiological role of boron in plants is as a cross-linking molecule involving reversible covalent bonds with cis-diols on either side of borate. Boronic acids, which form the same reversible bonds with cis-diols but cannot cross-link two molecules, were used to selectively disrupt

Boron deficiency decreases plasmalemma H+-ATPase expression and nitrate uptake, and promotes ammonium assimilation into asparagine in tobacco roots.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

The effects of short-term boron deficiency on several aspects (growth, biomass allocation, metabolite concentrations, gene expression, enzyme activities) related with nitrate assimilation were studied in tobacco (Nicotiana tabacum L.) plants in order to know the early changes caused by this mineral

[Experimental tolerance to boron of the plant species Nicotiana glauca, Jacaranda mimosifolia, Tecoma stans, Medicago sativa y Spinacea oleracea in Argentina].

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

The activity of boron industries is a punctual and diffuse source of air, soil and water pollution. Therefore, it is a priority to study possible ways of reducing this impact. A relatively new technology for reducing soil pollution is phytoremediation, which uses plants and associate microorganisms.

Boron nutrition of cultured tobacco BY-2 cells. III. Characterization of the boron-rhamnogalacturonan II complex in cells acclimated to low levels of boron.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Cultured cells of tobacco (Nicotiana tabacum L.) BY-2 which could propagate at the same rate as the parent cells (1 mg B liter(-1)) under a lower level of boron (0.01 mg B liter(-1)) were obtained. The selected cells had swollen cell walls. In the parent cells, all the RG-II occurred as a B-RG-II

Boron deficiency causes accumulation of chlorogenic acid and caffeoyl polyamine conjugates in tobacco leaves.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

The effects of boron (B) deficiency on carbohydrate concentrations and the pattern of phenolic compounds were studied in leaves of tobacco plants (Nicotiana tabacum L.). Plants grown under B deficiency showed a notable increase in leaf carbohydrates and total phenolic compounds when compared to

Boron nutrition of cultured tobacco BY-2 cells. IV. Genes induced under low boron supply.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Genes whose expression was up-regulated in low boron (B)-acclimated tobacco BY-2 (Nicotiana tabacum L. cv. Bright Yellow 2) cells, which had been selected under a low supply of B, were screened by the cDNA differential subtraction method. Thirteen genes were identified, including early

Overexpression of X Intrinsic Protein 1;1 in Nicotiana tabacum and Arabidopsis reduces boron allocation to shoot sink tissues.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Major Intrinsic Proteins (MIP) are a family of channels facilitating the diffusion of water and/or small solutes across cellular membranes. X Intrinsic Proteins (XIP) form the least characterized MIP subfamily in vascular plants. XIPs are mostly impermeable to water but facilitate the diffusion of

Manipulation of in vivo sorbitol production alters boron uptake and transport in tobacco

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Recent evidence that some species can retranslocate boron as complexes with sugar alcohols in the phloem suggests a possible mechanism for enhancing boron efficiency. We investigated the relationship between sugar alcohol (sorbitol) content, boron uptake and distribution, and translocation of

Transgenically enhanced sorbitol synthesis facilitates phloem boron transport and increases tolerance of tobacco to boron deficiency

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

The mobility of elements within plants contributes to a plant species' tolerance of nutrient deficiencies in the soil. The genetic manipulation of within-plant nutrient movement may therefore provide a means to enhance plant growth under conditions of variable soil nutrient availability. In these

Localization of Boron in Cell Walls of Squash and Tobacco and Its Association with Pectin (Evidence for a Structural Role of Boron in the Cell Wall).

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

B deficiency results in a rapid inhibition of plant growth, and yet the form and function of B in plants remains unclear. In this paper we provide evidence that B is chemically localized and structurally important in the cell wall of plants. The localization and chemical fractionation of B was

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Herbal & Natural Medicine

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