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7 resultater
Dehydroascorbate and glucose are taken up into Arabidopsis thaliana cell cultures by two distinct mechanisms.
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The possible involvement of glucose (Glc) carriers in the uptake of vitamin C in plant cells is still a matter of debate. For the first time, it was shown here that plant cells exclusively take up the oxidised dehydroascorbate (DHA) form. DHA uptake is not affected by 6-bromo-6-deoxy-ascorbate, an
Exploring recombinant flavonoid biosynthesis in metabolically engineered Escherichia coli.
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Flavonoids are important plant-specific secondary metabolites synthesized from 4-coumaroyl coenzyme A (CoA), derived from the general phenylpropanoid pathway, and three malonyl-CoAs. The synthesis involves a plant type III polyketide synthase, chalcone synthase. We report the cloning and
Metabolic engineering of the phenylpropanoid pathway in Saccharomyces cerevisiae.
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Flavonoids are valuable natural products derived from the phenylpropanoid pathway. The objective of this study was to create a host for the biosynthesis of naringenin, the central precursor of many flavonoids. This was accomplished by introducing the phenylpropanoid pathway with the genes for
Suppression of UV-B stress induced flavonoids by biotic stress: Is there reciprocal crosstalk?
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Plants respond to abiotic UV-B stress with enhanced expression of genes for flavonoid production, especially the key-enzyme chalcone synthase (CHS). Some flavonoids are antioxidative, antimicrobial and/or UV-B protective secondary metabolites. However, when plants are challenged with concomitant
Over-expression of a grafting-responsive gene from hickory increases abiotic stress tolerance in Arabidopsis.
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UNASSIGNED
A grafting response gene CcPIP1;2 was cloned from hickory plant, further functional characterization of the gene for water transport activity and abiotic stress tolerances were carried out through heterologous expression in Xenopus and Arabidopsis. Plasma membrane intrinsic proteins
Urea transport by nitrogen-regulated tonoplast intrinsic proteins in Arabidopsis.
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Urea is the major nitrogen (N) form supplied as fertilizer in agricultural plant production and also an important N metabolite in plants. Because urea transport in plants is not well understood, the aim of the present study was to isolate urea transporter genes from the model plant Arabidopsis.
Hairy root culture as a valuable tool for allelopathic studies in apple.
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Allelopathic plants exploit their chemical 'weapons' to prevail over the competition, suppress neighboring plants and consequently use the available resources more efficiently. However, the investigation of plant allelopathic interactions in rhizosphere is difficult to perform because of its high
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