منابع مشابه
Plant development: Making asymmetric flowers
Flowers are very diverse, with a large range in the size, number, color and morphology of the floral organs, differences that seem to reflect the adaptation of individual species to their mechanism of pollination. The study of the genetic basis of the generation of flower form has been greatly aided by a handful of model plant species, including Antirrhinum (Snapdragon), Arabidopsis and Petunia...
متن کاملMaking Sense of Drug Prices
CROSS-NATIONAL PRICE DIFFERENCES: HOW REAL AND HOW LARGE? Flawed Studies Overstate Differentials The view that drug prices are much higher in the United States than in other countries has been fueled by studies that have attempted to compare drug prices in several congressional districts with prices in Canada and Mexico. One such study was issued in 1998 by the Committee on Government Reform an...
متن کاملA Potential Ornamental Plant Drug
Marigold botanically identifies as Tagetes (Compositae) genus is an ethnobotanically known drug, used from ancient times in the Indian system of Medicine for the treatment of rheumatism, cold, bronchitis, eye diseases, ulcers etc. Tagetes species, commonly known as marigold, are grown as ornamental plants and thrive in varied agro-climates. The genus has been recognized as a potential source of...
متن کاملPerspective in Plant Drug Research
Plant medicine becomes more popular thought the world in these days probably of its latest toxicity. Ayurveda that leads in plant medicine preserves the natural form of herbs maximum, in various pharmaceutical preparations. Isolation of active principles has not proved much fruitful. However, the need of hour is cultivation of more medicinal plants along with popularization of their use traditi...
متن کاملPlant development: The making of a leaf
A transcription factor of the Myb family has been found to couple dorsoventral patterning and proximodistal outgrowth during leaf development.
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ژورنال
عنوان ژورنال: Nature
سال: 2012
ISSN: 0028-0836,1476-4687
DOI: 10.1038/485160a