One-step Glucosylation of Capsaicinoids by Cultured Cells of Phytolacca americana.
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چکیده
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Cloning and characterization of polyphenol oxidase cDNAs of Phytolacca americana.
Two cDNA clones encoding polyphenol oxidases were isolated from a cDNA library constructed from a log-phase suspension culture of Phytolacca americana (pokeweed) producing betalains. The clones exhibit 93 and 86% sequence identity at the nucleotide and deduced amino acid levels, respectively. Both clones contain two copper-binding domains characterized by histidine-rich regions, which are found...
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در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...
15 صفحه اولAnti-nociceptive Activity of Aqueous-methanolic Extract of Phytolacca americana Growing in Iran
Abstract Anti-nociceptive activity of aerial parts of Phytolacca americana were investigated, using the hot plate method in mice. Results of the present study showed that the aqueous methanolic extract of aerial parts of P. americana produced a statistically significant increase in pain threshold after 30 min, in comparison with the control, at adose of 190 mg kg-1 (P 0.05). The anti-nociceptiv...
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The accumulation o f betacyanin was reduced by the addition o f various cytokinins to sus pension cultures o f Phytolacca americana. The decrease in the accumulation o f betacyanin was overcome by exogenously supplied tyrosine which is a precursor o f betacyanin. Benzylaminopurine (BAP) decreased the level o f free tyrosine in the cells. Feeding experiments using labeled tyrosine revealed that...
متن کاملEffects of generalist herbivory on resistance and resource allocation by the invasive plant, Phytolacca americana.
Successful invasions by exotic plants are often attributed to a loss of co-evolved specialists and a re-allocation of resources from defense to growth and reproduction. However, invasive plants are rarely completely released from insect herbivory because they are frequently attacked by generalists in their introduced ranges. The novel generalist community may also affect the invasive plant's de...
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ژورنال
عنوان ژورنال: Plant Biotechnology
سال: 2003
ISSN: 1347-6114,1342-4580
DOI: 10.5511/plantbiotechnology.20.253