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hyoscyamus muticus/scopolamine
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Simultaneous determination of scopolamine, hyoscyamine and littorine in plants and different hairy root clones of Hyoscyamus muticus by micellar electrokinetic chromatography.
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Hyoscyamus muticus hairy root clones were established following infection with Agrobacterium rhizogenes strains A4, LBA-9402 and 15834 and with A. tumefaciens strain C58C1pRTGus104. The accumulation of tropane alkaloids hyoscyamine, littorine and scopolamine was evaluated by micellar electrokinetic
Optimization of some Parameters in Cultivating Scopolamine-producing Cells of Hyoscyamus muticus.
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Biotransformation of hyoscyamine into scopolamine in transgenic tobacco cell cultures.
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Hyoscyamine-6beta-hydroxylase (H6H) catalyses the conversion of hyoscyamine into its epoxide scopolamine, a compound with a higher added value in the pharmaceutical market than hyoscyamine. We report the establishment of tobacco cell cultures carrying the Hyoscyamus muticus h6h gene under the
Somaclonal variation in transformed roots and protoplast-derived hairy root clones of Hyoscyamus muticus.
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Substantial somaclonal variation in growth rate, morphology, and alkaloid production of Hyoscyamus muticus L. hairy root clones obtained by transformation with four Agrobacterium strains was shown. The hyoscyamine content of the root clones (n = 100) obtained from the same origin varied from 0.03 to
Variation in the Tropane Alkaloid Content of Hyoscyamus muticus Plants and Cell Culture Clones.
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Systematic studies were carried out on two different strains (Gatersleben and Cairo) of HYOSCYAMUS MUTICUS L. (Solananaceae) in order to analyse the variation in the contents of the two main tropa-alkaloids in individual plants and protoplast-derived cell culture clones. The hyoscyamine content was
Determination of the main tropane alkaloids from transformed Hyoscyamus muticus plants by capillary zone electrophoresis.
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A capillary zone electrophoretic method (CZE) was developed using an uncoated fused silica capillary for the separation and determination of the main tropane alkaloids. The applicability of the developed method for analysis of plant samples was examined by analyzing samples of transgenic Egyptian
Effect of pmt gene overexpression on tropane alkaloid production in transformed root cultures of Datura metel and Hyoscyamus muticus.
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In order to increase the production of the pharmaceuticals hyoscyamine and scopolamine in hairy root cultures, a binary vector system was developed to introduce the T-DNA of the Ri plasmid together with the tobacco pmt gene under the control of CaMV 35S promoter, into the genome of Datura metel and
Responses of fungi to tropane alkaloids produced by a medicinal plant Hyoscyamus muticus (Egyptian henbane).
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Antifungal activity of hyoscyamine (Hcy) and scopolamine (Sco) were determined by TLC-bioautography against fungi associated with H. muticus grown in Egypt, and those isolated from other plants grown in Japan. All 40 fungal strains were tolerant to Sco and sensitive to Hcy, exhibiting a growth
Enhanced secretion of tropane alkaloids in Nicotiana tabacum hairy roots expressing heterologous hyoscyamine-6beta-hydroxylase.
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Hyoscyamine-6beta-hydroxylase (H6H; EC 1.14.11.11) catalyses oxidative reactions in the biosynthetic pathway leading from hyoscyamine to the more pharmaceutically valuable tropane alkaloid scopolamine. The h6h gene encoding H6H from Hyoscyamus niger was introduced, under the control of the CaMV 35S
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