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zeatin riboside/krompir
Povezava se shrani v odložišče
13 rezultatov
Physiology of Tuberization in Solanum tuberosum L: cis-Zeatin Riboside in the Potato Plant: Its Identification and Changes in Endogenous Levels as Influenced by Temperature and Photoperiod.
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Prijava / prijava
Using high pressure liquid chromatography, the cucumber cotyledon bioassay, and mass spectrometry a cytokinin isolated from Solanum tuberosum L. cv. Katahdin plant tissues has been identified as cis-zeatin riboside. Zeatin riboside (ZR) levels in plants grown under inducing conditions (28 C day and
Overexpression of a bacterial 1-deoxy-D-xylulose 5-phosphate synthase gene in potato tubers perturbs the isoprenoid metabolic network: implications for the control of the tuber life cycle.
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Prijava / prijava
Potato tubers were engineered to express a bacterial gene encoding 1-deoxy-D-xylulose 5-phosphate synthase (DXS) in order to investigate the effects of perturbation of isoprenoid biosynthesis. Twenty-four independent transgenic lines out of 38 generated produced tubers with significantly elongated
[Effects of drought stress on root development and physiological characteristics of sweet potato at seedling stage].
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Prijava / prijava
The effects of drought stress on root morphology, endogenous hormones, chlorophyll fluorescence and active oxygen metabolism in three different stages of sweet potato rooting, branching and tubering stage were studied by sand culture method with 10% PEG-6000 simulating drought stress. The results
T-DNA genes to study plant development: precocious tuberisation and enhanced cytokinins in A. tumefaciens transformed potato.
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Prijava / prijava
Potato Line Mb1501B is a derivative of the cultivar Maris Bard (Solanum tuberosum), transformed with T-DNA from A. tumefaciens strain LBA1501. In culture it grew as frequently branching stunted shoots with a basal callus, lacking roots. These shoots did not form tubers. When grafted, Mb1501B shoots
Specific interaction of cytokinins and their analogs with rotenone-sensitive internal NADH dehydrogenase in potato tuber mitochondria.
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Prijava / prijava
Effects of cytokinins were studied on rotenone-sensitive NADH dehydrogenase in mitochondria from fresh potato tubers (Solanum tuberosum), in consideration of the operation of external and rotenone-insensitive internal NADH dehydrogenases that has not been fully accounted for in previous studies. In
The control of bud dormancy in potato tubers. Measurement of the seasonal pattern of changing concentrations of zeatin-cytokinins.
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Prijava / prijava
A radioimmunoassay, combined with high-performance liquid chromatography, has been used to analyse the zeatin-type cytokinins of potato (Solanum tuberosum L. cv. Majestic) tubers and tuber buds throughout growth and storage. During tuber growth, zeatin riboside was the predominant cytokinin detected
A modified method for routine Agrobacterium-mediated transformation of in vitro grown potato microtubers.
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Prijava / prijava
In vitro-grown potato (Solanum tuberosum L.) microtubers were used as an explant source in the production of transgenic plants by Agrobacterium-mediated gene transfer. In this study we tested four diverse potato cultivars, Lemhi Russet, Russet Burbank, Wauseon, and Yankee Chipper on various levels
[Effect of ambiol and 2-chloroethylphosphonic acid on the content of phytohormones in potato leaves and tubers].
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Prijava / prijava
The effects of the antioxidant Ambiol and 2-chlorethylphosphonic acid (2-CEPA) on individual concentrations and concentration ratios of phytohormones, photosynthesis and photophosphorylation rates, sucrose and starch content in tubers, and plant productivity were studied in potato (Solanum tuberosum
Identification of an N-Glucoside of cis-Zeatin from Potato Tuber Sprouts.
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Prijava / prijava
A compound was isolated from potato (Solanum tuberosum L. cv Bintje) tuber sprouts by immunoaffinity chromatography with antibodies against the cytokinins zeatin riboside and isopentenyladenosine. Analysis by ultraviolet spectroscopy and gas chromatography-mass spectrometry of derivatives identified
A purine nucleoside phosphorylase in Solanum tuberosum L. (potato) with specificity for cytokinins contributes to the duration of tuber endodormancy.
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Prijava / prijava
StCKP1 (Solanum tuberosum cytokinin riboside phosphorylase) catalyses the interconversion of the N9-riboside form of the plant hormone CK (cytokinin), a subset of purines, with its most active free base form. StCKP1 prefers CK to unsubstituted aminopurines. The protein was discovered as a CK-binding
Use of High Performance Liquid Chromatography for the Determination of Endogenous Hormone Levels in Solanum tuberosum L. Subjected to Carbon Dioxide Enrichment of the Root Zone.
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Prijava / prijava
Changes in cytokinin, auxin, and abscisic acid levels were determined by high performance liquid chromatography following CO(2) enrichment of the root zone. Both trans zeatin and zeatin riboside significantly decreased in the roots 6 days after treatment with CO(2). In the leaves zeatin riboside
Direct and efficient plant regeneration from leaf explants of Solanum tuberosum l. cv. Bintje.
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Prijava / prijava
A two-step procedure was used for plant regeneration from in vitro grown leaf strips (2-3 mm wide) of cv. Bintje. Step I medium was designed with 2,4-dichlorophenoxycetic acid (2,4-D) at 0.0 or 9.0 μM, in combination with 2.28 μM kinetin (K), benzyl adenine (BA), zeatin (Z) or zeatin riboside (ZR).
Assessing temporal flux of plant hormones in stored processing potatoes using high definition accurate mass spectrometry.
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Prijava / prijava
Plant hormones are important molecules which at low concentration can regulate various physiological processes. Mass spectrometry has become a powerful technique for the quantification of multiple classes of plant hormones because of its high sensitivity and selectivity. We developed a new ultrahigh
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