هدف: هدف از این مطالعه بررسی اثر سینامیک‌اسید (CA) بر برخی خصوصیات فیزیولوژیکی و میزان تحمل‌به‌شوری گیاه‌تنباکو (Nicotiana rustica L.) می‌باشد.مواد روش‌ها: در قطعات جداکشت گیاه تنباکو رشد‌یافته محیط MS به محیط‌های کشت حاوی (غلظت‌های 0، 5، 10 20 میلی‌گرم‌در‌لیتر) نمک NaCl 100 200 میلی‌مولار) منتقل‌گردید. پس چهار هفته فعالیت آنزیم فنیل‌آلانین‌آمونیالیاز (PAL) تیروزین‌آمونیالیاز (TAL) ، ترکیبات‌فن...

Soil bacteria Agrobacterium are able to transfer fragments of their plasmids, so-called T-DNA, into plants. T-DNA integrated plants genome is called cellular (cT-DNA) [1]. Plants transformed in nature considered natural genetically modified organisms (nGMOs). For the first time, nGMOs were described within genus Nicotiana. To date, more than 50 nGM species known [2, 3], among which nGMO Nicotia...

The methyl groups of choline which have been shown to be donated in various reactions in animal metabolism (1, 2) have not been demonstrated to participate in plant methylation reactions. Experiments by Matchett, Kirkwood, and Marion (3, 4), Dubeck and Kirkwood (5), and Sribney and Kirkwood (6), with Hordeum distichum, Ricinus communis, and Dice&a hybrids in which choline was supplied as a poss...

Tubular inclusion bodies containing single rows of virus particles were observed by electron microscopy in hosts infected with three NEPO viruses. When Nicotiana rustica L. plants were inoculated with cherry leaf roll virus tubules were found in axillary buds 4 days later and reached a maximum concentration after 2 to 3 weeks. Tubules were also found in root tips, pollen, ovules and mature seed...