Article
Engineering of the rose flavonoid biosynthetic pathway successfully generated blue-hued flowers accumulating delphinidin.
Plant & cell physiology - 1 Nov 2007
Katsumoto Yukihisa, Fukuchi-Mizutani Masako, Fukui Yuko, Brugliera Filippa, Holton Timothy A, Karan Mirko, Nakamura Noriko, Yonekura-Sakakibara Keiko, Togami Junichi, Pigeaire Alix, Tao Guo-Qing, Nehra Narender S, Lu Chin-Yi, Dyson Barry K, Tsuda Shinzo, Ashikari Toshihiko, Kusumi Takaaki, Mason John G, Tanaka Yoshikazu
Abstract excerpt
Flower color is mainly determined by anthocyanins. Rosa hybrida lacks violet to blue flower varieties due to the absence of delphinidin-based anthocyanins, usually the major constituents of violet and blue flowers, because roses do not possess flavonoid 3',5'-hydoxylase (F3'5'H), a key enzyme for delphinidin biosynthesis. Other factors such as the presence of co-pigments and the vacuolar pH also affect flower...
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