水稻早衰突变体es2和g1029的鉴定以及es2基因的初定位

来源 :中国农业科学院 | 被引量 : 0次 | 上传用户:ff303
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
衰老作为植物叶片发育的最后阶段被细胞、组织以及器官里的系列遗传程序所控制。早衰严重影响作物产量形成,在水稻中表现更为明显。本研究通过甲磺酸乙酯(EMS)诱变获得两个水稻早衰突变体es2和g1029并对其开展相关研究,主要结果如下:1.在分蘖后期,es2叶片开始出现早衰并伴随细胞程序子死亡的表型;相较于野生型es2中糖含量上升,早衰相关基因的表达上调。和野生型相比,在es2中花青素以及氧子应激因子过氧子氢(H_2O_2),戊二醛(MDA),活性氧自由基(ROS)的含量升高,相反,可溶性蛋白含量却减少。
其他文献
This paper investigates the collision between two nonlinear waves with arbitrary angle in two-dimensional nonlinear lattice. By using the extended Poincaré-Lig
The control problems of chaotic systems are investigated in the presence of parametric uncertainty and persistent exteal disturbances based on nonlinear control
在媒介素养教育教学实践中,如何评价教学效果,是确保其健康而快速发展的关键。我国自上世纪90年代末引入媒介素养概念以来,对媒介素养教育的研究主要集中在理论层面,一直缺少
The discrete Fourier transform(DFT)is the base of mod signal processing.1-dimensional fast Fourier transform (1D FFT)and 2D FFT have time complexity O(N log N)a
The static bifurcation of the parametrically excited strongly nonlinear oscillator is studied.We consider the averaged equations of a system subject to Duffing-
In this paper, the theoretical analysis and simulating calculation were conducted for a basic two-stage semiconductor thermoelectric module, which contains one
Single caesium atoms in a large-magnetic-gradient vapour-cell magneto-optical trap have been identified. The trapping of individual atoms is marked by the steps