甘蓝自交不亲和性信号传导元件与传导过程

Protein Elements and Signal Transduction Process of Self-Incompatibility in Brassica oleracea

甘蓝自交不亲和性是由多态性的S位点基因编码的蛋白质介导的信号传导途径实现的。该信号传导途径由8个蛋白质元件(SLG、SCR、SRK、MLPK、THL、ARC1、Exo70A1和MOD/MIP-MOD)组成,本文详细综述了这些元件的编码基因、蛋白质元件的结构和功能,以及元件间的相互作用所构成的信号传导过程。在此基础上,根据新进展提出了今后可能的研究重点,以期为包括甘蓝在内的芸薹属自交不亲和性的深入研究提供新的内容。

The self-incompatibility（SI） system in Brassica oleracea is genetically controlled by a single polymorphic S-locus that encodes proteins initiating a process of SI signaling transduction. This process involves eight protein elements including SLG, SCR, SRK, MLPK, THL, ARC1, Exo70A1, and MIP-MOD. Here, based on their corresponding gene＇s architecture, we summarized these elements on their advances both in structure and function of their genes and proteins, as well as their interaction along the whole SI signal transduction process. Furthermore, we put forward some insights into unknown areas of SI, hoping to provide a few of clues for further exploration of SI mechanism in B. oleracea or other Brassica species.