نتایج جستجو برای: phytoene desaturase
تعداد نتایج: 3324 فیلتر نتایج به سال:
Colorless carotenoids were accum ulated, analyzed and quantified in heterotrophicallygrow n Scenedesm us cultures treated with the bleaching herbicide norflurazon. By optical, IR and m ass spectroscopy 15-cis as well as all-trans phytofluene, 15-cis phytoenes and traces o f its all-trans isom er were identified. Furtherm ore, a phytoene epoxyde and several hydroxyphytoenes were assigned. C om p...
Phytoene synthase from the bacterium Erwinia uredovora (crtB) has been overexpressed in tomato (Lycopersicon esculentum Mill. cv. Ailsa Craig). Fruit-specific expression was achieved by using the tomato polygalacturonase promoter, and the CRTB protein was targeted to the chromoplast by the tomato phytoene synthase-1 transit sequence. Total fruit carotenoids of primary transformants (T(0)) were ...
Accumulated in large amounts in carrot, carotenoids are an important product quality attribute and therefore a major breeding trait. However, the knowledge of carotenoid accumulation genetic control in this root vegetable is still limited. In order to identify the genetic variants linked to this character, we performed an association mapping study with a candidate gene approach. We developed an...
We describe experiments directed towards development of cauliflower mosaic virus (CaMV) replicons for propagation of functional elements during infection of plants. Modifications and inserts were introduced into replaceable domains associated with the 35S promoter. The 35S enhancer (-208 to -56) was found to potentiate promoter activity when in reverse orientation sufficient to establish system...
جلبک تک سلولی دونالیلا موجودی مقاوم به شوری است که تحت شرایط تنش شوری بالا، کمبود مواد غذایی و نور شدید، موادی از قبیل کاروتنوئید و گلیسرول تولید می کند. با توجه به اهمیت کارتنوئیدهایی از قبیل بتاکاروتن در صنایع مختلف، جداسازی ژنهای کلیدی موثر در مسیر بیوسنتز کارتنوئیدها، به منظور بررسی روند تکاملی مسیر بیوسنتزآنها وانتقال و بیان این ژنها در میزبانهای مستعد، جهت افزایش عملکرد تولید، مورد توجه ق...
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