FKF1和GI在拟南芥光周期开花途径中起促进作用,而且主要是通过FKF1-GI-CDF1---CO-FT这条途径实现的.另外,FKF1和GI还能够通过其他途径来调节FT的表达.大豆是典型的短日照作物,其对光周期的敏感性严重限制了优良品种的种植面积.因此,研究大豆的开花调控途径对于扩大大豆的种植生态区和提高产量至关重要. 本研究利用...
The FLAVIN-BINDING, KELCH REPEAT, F-BOX 1 (FKF1), and GIGANTEA (GI) proteins regulate CO transcription in Arabidopsis. We demonstrate that FKF1 and GI proteins form a complex in a blue-light--dependent manner. The timing of this interaction regulates the timing of daytime CO ...
拟南芥的 FT蛋白能够从韧皮部运输到茎尖分生组织,促进开花。而 FT基因的表达受到 CO基因(一种生物钟基因)编码的转录因子的调控,CO基因的表达又受 FKF1、GI、CDFs 和FBH 等因子的调控。此外,光也能通过光受体调节 CO 蛋白的含量,其中光敏色素 PhyA、隐花色素 Cry1 和 Cry2促进CO 蛋白的积累,光敏色素 PhyB的作...
In Arabidopsis, FKF1 (FLAVIN BINDING, KELCH REPEAT, F-BOX1) and GI (GIGANTEA) play important roles in flowering pathway through regulating daytime CO (CONSTANS) expression, and such a function is conserved across plants studied. But related reports are limited for soybean. In this study, we ...
FKF1基因和节律调控基因GIGANTEA(GI)的表达受生物钟控制,FKF1蛋白在调节CO转录时需要GI蛋白的参与(Fowler et al.,1999)。长日照下,FKF1蛋白与GI蛋白相互作用降解循环自由度因子CYCLING DOF FACTORS(CDF)并激活CO转录(Sawa et al.,2007)。FKF1蛋白还可调节CO基因在转录水平和转录后水平的稳定性(Song et al.,...
FUL 是花分生组织决定基因,在控制拟南芥开花时 间,花分生组织分化,茎生叶形态以及心皮和果实 的发育中起到重要作用.随后,我们采用酵母双杂 交实验检测 FKF1 与这 3 个蛋白的相互作用.结果 显示,FKF1 与 FUL 和阳性对照 GIGANTEA(GI) 存在相互作用,与 SOC1 和 PIF3 无相互作用(图 1). 2.2 FKF1与FUL蛋白...
馥郁滇丁香lgfkf1基因的克隆及节律表达分析
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电话:400-800-2947 工作QQ:1843439339 (微信同号) 邮件:Biovector@163.com 手机:18901268599 地址:北京 已注册 详细信息 咨询记录(共0条) Plasmid Name质粒名称: NLS-GI-VP64-IRES-NLS-GAL4DBD-M13-SmBiT-FKF1 Gene/Insert插入基因名称: GI-VP64-IRES-GAL4DBD-M13-SmBiT-FKF1 (Synthetic) ...
In contrast, the expression pattern of FKF1 is shifted to expression after dusk in short-day conditions, and the loss of FKF1 affinity for GI results in the persistence of CDF, thereby inhibiting the transcription level of CO [32]. For post-transcriptional regulation, FKF1 maintains the ...