Delphinidin accumulation is associated with abnormal flower development in petunias
- 作者：Ando ; Toshio ; Takahashi ; Motoko ; Nakajima ; Taku ; Toya ; Yukiko ; Watanabe ; Hitoshi ; Kokubun ; Hisashi ; et. al.
- 关键词：Petunia ; Solanaceae ; Anthocyanin biosynthesis ; Crumpled flower ; Principal component analysis ; Flavonoid 3脙脙脙脙脙脙 ; 5脙脙脙脙脙脙-hydroxylase ; Anthocyanidin 3-glucoside-rhamnosyltransferase
- 刊名：Phytochemistry
- 出版年：2004
- 期刊代码：85_00319422
- 类别：ch
- 出版时间：August, 2004
- 卷：65
- 期：15
- 页码：2219-2227
- 文件大小：341 K
摘要
The relative floral anthocyanidin contents of 195 commercial petunias with floral colours other than white and yellow were determined using HPLC, and the presence of five anthocyanidins {cyanidin, peonidin, delphinidin, petunidin, and malvidin} was confirmed. Pelargonidin was not detected, and delphinidin was not a major component. Using a principal component analysis of the relative anthocyanidin contents, the petunias were classified into three phenotype-groups accumulating cyanidin, peonidin, or malvidin, {plus petunidin} as the major anthocyanidin. A fourth phenotype was segregated in the progeny obtained by self-pollinating an F1 hybrid of the malvidin group; this accumulated delphinidin 3-glucoside in a markedly crumpled corolla-limb (delphinidin group). Such inferior floral traits, associated with the accumulation of delphinidin 3-glucoside, are thought to be the driving force that removed the delphinidin group from commercial petunias. A comparison of flowers of the delphinidin group and those of the other groups may provide a useful tool towards a deeper understanding of how anthocyanin biosynthesis relates to normal development of the corolla.