花生硬脂酰-ACP酸脱饱和基因FAB2表达的分子机制

刘浩,鲁清,李海芬,李少雄,陈小平,梁炫强,洪彦彬

Molecular mechanism of stearoyl-ACP desaturase gene FAB2 expression in peanut

Hao LIU,Qing LU,Hai-Fen LI,Shao-Xiong LI,Xiao-Ping CHEN,Xuan-Qiang LIANG,Yan-Bin HONG

图1 花生油酸积累反馈调节FAB2的表达量 A: 油酸合成示意图; B: 开农176与开农70的植株照片; C: 种子发育的6个时期; D: FAB2在高、低油酸品种种子发育过程中的表达变化量; E: 开农176与开农70的油酸与亚油酸含量; F: 开农176与开农70种子发育阶段油酸与亚油酸含量变化。

Fig. 1 Oleic acid accumulation feedback regulates the expression level of FAB2 in peanut A: schematic diagram of oleic acid synthesis; B: photograph of Kainong 176 and Kainong 70; C: photograph of the six stages in the developing seeds; D: expression level of FAB2 during seeds development in the high- and normal-oleic varieties; E: contents of oleic acid and linoleic acid in Kainong 176 and Kainong 70; F: relative content changes of oleic acid and linoleic acid during seed development in Kainong 176 and Kainong 70.