Analysis of Chalcone Synthase and Chalcone Isomerase Gene Expression in Pigment Production Pathway at Different Flower Colors of Petunia Hybrida
- سال انتشار: 1395
- محل انتشار: مجله سلول و تحقیقات مولکولی، دوره: 8، شماره: 1
- کد COI اختصاصی: JR_JCMR-8-1_004
- زبان مقاله: فارسی
- تعداد مشاهده: 516
نویسندگان
Department of Plant Breeding and Biotechnology, Faculty of Agriculture, Ferdowsi University,Mashhad, Iran Department of Plant Biotechnology, Faculty of Agriculture, Jahrom University, Jahrom, Iran
Department of Plant Breeding and Biotechnology, Faculty of Agriculture, Ferdowsi University, Mashhad, Iran
Department of Plant Breeding and Biotechnology, Faculty of Agriculture, Ferdowsi University, Mashhad, Iran
چکیده
Variegation in flower color is commonly observed in many plant species and also occurs on petunia (Petunia hybrida) as an ornamental plant. Variegated plants are highly valuable in the floricultural market. To gain a global perspectiveon genes differentially expressed in variegated petunia flowers, we investigated the expression of chalcone synthase(chs) and chalcone isomerase (chi) as two essential genes in biosynthesis pathway of pigment production. Also, wemeasured the concentration level of total flavonoids, naringenin chalcone and naringenin to evaluate the probablyrelationship between the expression profile of chs and chi genes and the concentration of mentioned pigments. The results indicated that chalcone synthase and chalcone isomerase expression had different profile in different petalcolor of Petunia hybrida. Because red flower color in petunia is related to the synthesis of pelargonidin-based (orangeto red) pigments, our results suggest that the low chalcone synthase and chalcone isomerase expression levels in white petals reduce dihydrokaempferol formation, thereby inhibiting pelargonidin production. In contrast, the highexpression levels of these genes observed in red petals ensure sufficient anthocyanin yields to make flowers redکلیدواژه ها
Real-time PCR, Chs, Chi, Petunia hybridaمقالات مرتبط جدید
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