phaseollin/pupelė

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Studies on Phytoalexins: The Relationship between Actinomycin D and Ribonucleic Acid Synthesis during the Induction of Phaseollin in the French Bean (Phaseolus vulgaris L.).

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Actinomycin D stimulated phaseollin production in endocarp tissues of the French bean (Phaseolus vulgaris L.), maximum production being obtained with 25 to 30 micrograms per milliliter of antibiotic. Under these conditions, net incorporation of (3)H-uridine into total cell ribonucleic acid was

The induction of phenylalanine ammonia lyase and phaseollin by 9-aminoacridine and other deoxyribonucleic Acid intercalating compounds.

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Bean pod tissue (Phaseolus vulgaris L. var. Top Crop) is induced to produce phaseollin when challenged with various microorganisms. The pods react in the same manner when challenged with 9-aminoacridine. This compound also caused an increase in concentrations of phenylalanine ammonia lyase, an

Occurrence of the phytoalexin phaseollin in pods of Phaseolus vulgaris.

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P NMR Study of Elicitor Treated Phaseolus vulgaris Cell Suspension Cultures.

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The addition of an elicitor (glucan) to Phaseolus vulgaris cell suspension cultures increased the formation of the phytoalexin phaseollin. Intracellular pH and phosphate concentrations were studied with (31)P nuclear magnetic resonance spectroscopy on elicitor-treated cells which were aerated during

Stimulation of de novo synthesis of L-phenylalanine ammonia-lyase in relation to phytoalexin accumulation in Colletotrichum lindemuthianum elicitor-treated cell suspension cultures of french bean (Phaseolus vulgaris).

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(1) The regulation of the accumulation of the isoflavonoid-derived phytoalexin phaseollin in cell suspension cultures of Dwarf French Bean (Phaseolus vulgaris/ has been investigated. (2) An elicitor preparation from cell walls of Colletotrichum lindemuthianum, the causal agent of anthracnose disease

Intracellular localization of prenyltransferases of isoflavonoid phytoalexin biosynthesis in bean and soybean.

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The intracellular localization of prenyltransferases involved in the biosynthesis of the phytoalexins glyceollin in soybean (Glycine max L.) and phaseollin in French bean (Phaseolus vulgaris L.) has been investigated. By sucrose- and Percoll-gradient centrifugation of microsomes of an

Elicitor induction of mRNA activity. Rapid effects of elicitor on phenylalanine ammonia-lyase and chalcone synthase mRNA activities in bean cells.

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Changes in the activity levels of mRNAs encoding phenylalanine ammonia-lyase and chalcone synthase, two characteristic enzymes of phenylpropanoid biosynthesis, in elicitor-treated cells of dwarf French bean (Phaseolus vulgaris L.) have been investigated by immunoprecipitation of

Rapid induction of the synthesis of phenylalanine ammonia-lyase and of chalcone synthase in elicitor-treated plant cells.

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Changes in the rate of synthesis of phenylalanine ammonia-lyase and chalcone synthase, two characteristic enzymes of phenylpropanoid biosynthesis, have been investigated by direct immunoprecipitation of in vivo [35S]methionine-labelled enzyme subunits in elicitor-treated cells of dwarf French bean

Estrogenic and antiestrogenic activities of phytoalexins from red kidney bean (Phaseolus vulgaris L.).

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Legumes are the predominant source of isoflavones considered to be phytoestrogens that mimic the hormone 17β-estradiol (E2). Due to the risks associated with hormone replacement therapy, there is a growing need for alternative sources of estrogenic formulations for the treatment of menopausal

Purification, characterization and induction of L-phenylalanine ammonia-lyase in Phaseolus vulgaris.

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The enzyme L-phenylalanine ammonia-lyase was purified from leaves of Phaseolus vulgaris by Sephacryl S-200 gel filtration and Sepharose-4-B--succinyl-aminoethyl-L-phenylalanine affinity chromatography. L-Phenylalanine ammonia-lyase was specifically eluted from the affinity matrix with its substrate

Metabolic changes in elicitor-treated bean cells. Selectivity of enzyme induction in relation to phytoalexin accumulation.

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Treatment of cell suspension cultures of Phaseolus vulgaris c.v. Immuna with an elicitor preparation heat-released from the cell walls of the phytopathogenic fungus Colletotrichum lindemuthianum resulted in rapid accumulation of the prenylated 5-hydroxyisoflavanone phytoalexin kievitone followed by

Differential accumulation of plant defense gene transcripts in a compatible and an incompatible plant-pathogen interaction.

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Phenylalanine ammonia-lyase and chalcone synthase catalyze the first reaction of phenylpropanoid biosynthesis and the first reaction of a branch pathway specific for flavonoid-isoflavonoid biosynthesis, respectively. These enzymes are key control elements in the synthesis of kievitone, phaseollin,

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