Characterization and expression analysis of four members genes of flavanone 3-hydroxylase families from Chamaemelum nobile
نویسندگان
چکیده
منابع مشابه
Differential Expression of Three Flavanone 3-Hydroxylase Genes in Grains and Coleoptiles of Wheat
Flavonoid pigments are known to accumulate in red grains and coleoptiles of wheat and are synthesized through the flavonoid biosynthetic pathway. Flavanone 3-hydroxylase (F3H) is a key enzyme at a diverging point of the flavonoid pathway leading to production of different pigments: phlobaphene, proanthocyanidin, and anthocyanin. We isolated three F3H genes from wheat and examined a relationship...
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Flavanone 3-hydroxylase (F3H) activity is necessary for the biosynthesis of flavonoids, the main ingredients of Gingko biloba extract. The full-length cDNA and genomic DNA sequences of F3H gene were isolated from G. biloba for the first time. The full-length cDNA of G. biloba F3H gene (designated as GbF3H) contained a 1071 bp open reading frame (ORF) encoding a 357-amino-acid protein with a cal...
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Roman chamomile (Chamaemelum nobile L.) is renowned for its production of essential oils, which major components are sesquiterpenoids. As the important enzyme in the sesquiterpenoid biosynthesis pathway, 3-hydroxy-3-methylglutaryl coenzyme A synthase (HMGS) catalyze the crucial step in the mevalonate pathway in plants. To isolate and identify the functional genes involved in the sesquiterpene b...
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A key step in the biosynthesis of flavonoids is the hydroxylation of (2s)-flavanones in the 3 position to form the respective dihydroflavonols. The reaction is catalyzed by F30H, a soluble fraction enzyme requiring 2-oxoglutarate, oxygen, Fez+, and ascorbate for full activity (Heller and Forkmann, 1988). By using genetic mutants that lack F 3 0 H activity, cDNA clones have been identified that ...
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کاتالیست یک سنتز جدید برای تیواترها توصیف شده است. واکنش الکل ها با آریل، هتروآریل و آلکیل تیو ل ها درحضور 1،3،5- تری آزو- 2،4،6- تری فسفرین-2،2،4،4،6،6 هگزاکلراید ((tapc به عنوان یک کاتالیست موُثر، بازده های خوب تا عالی از تیواترها را حاصل می کند. علاوه براین، واکنش تحت شرایط بدون فلز و بدون حلال پیش می رود، بنابراین یک مکمل جالب برای روش های شناخته شده سنتز تیواترها ارائه می دهد. یک مکانیسم ا...
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ژورنال
عنوان ژورنال: Notulae Botanicae Horti Agrobotanici Cluj-Napoca
سال: 2020
ISSN: 1842-4309,0255-965X
DOI: 10.15835/nbha48111560