Yan Jiajie, Fang Yunxia, Xue Dawei
College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China.
Plants (Basel). 2022 Aug 21;11(16):2169. doi: 10.3390/plants11162169.
Plant lesion mutation usually refers to the phenomenon of cell death in green tissues before senescence in the absence of external stress, and such mutants also show enhanced resistance to some plant pathogens. The occurrence of lesion mimic mutants in rice is affected by gene mutation, reactive oxygen species accumulation, an uncontrolled programmed cell death system, and abiotic stress. At present, many lesion mimic mutants have been identified in rice, and some genes have been functionally analyzed. This study reviews the occurrence mechanism of lesion mimic mutants in rice. It analyzes the function of rice lesion mimic mutant genes to elucidate the molecular regulation pathways of rice lesion mimic mutants in regulating plant disease resistance.
植物病斑突变通常是指在没有外部胁迫的情况下，绿色组织在衰老前发生细胞死亡的现象，并且这类突变体对某些植物病原体的抗性也有所增强。水稻中病斑模拟突变体的发生受基因突变、活性氧积累、不受控制的程序性细胞死亡系统和非生物胁迫的影响。目前，水稻中已鉴定出许多病斑模拟突变体，并且对一些基因进行了功能分析。本研究综述了水稻病斑模拟突变体的发生机制。分析了水稻病斑模拟突变体基因的功能，以阐明水稻病斑模拟突变体在调节植物抗病性中的分子调控途径。
