HAN Chang-zhi.Research Advance on Functional Effect of Gene Plant Pathogenic Oomycete[J].Northern Horticulture,2014,38(05):188-193.
植物病原卵菌RxLR效应基因功能研究进展
- Title:
- Research Advance on Functional Effect of Gene Plant Pathogenic Oomycete
- 文章编号:
- 1001-0009（2014）05-0188-06
- Keywords:
- plant pathogenic oomycete; effector gene; PTI; ETI; functional redundancy; Zigzag theory
- 分类号:
- S 763
- 文献标志码:
- A
- 摘要:
- 植物病原卵菌包括致病疫霉、大豆疫霉、橡树疫霉以及樟疫霉、拟南芥霜霉等，其与寄主之间的相互作用基本符合Zigzag理论。该理论认为，病原菌为了操控寄主植物防卫反应，分泌和转运一些效应分子进入植物细胞中，从而抑制PTI，同时，植物中识别病原菌效应分子的防卫基因得到激活，引发ETI，随着病原菌与植物的互作类似于“军备竞赛”的不断升级，植物和病原菌在遗传上实现协同进化。卵菌基因组中包含有数百个高度分化的RxLR效应基因，现从功能多样性、冗余性以及转运机制等方面对已经报道的该类基因功能进行综述，以期为进一步研究效应蛋白的转运机制、毒性功能，以及开展对植物病原卵菌致病机理的深入研究提供重要的理论依据。
- Abstract:
- Plant pathogens oomycete，including Phytophthora infestans，P.sojae，P.ramorum,P.cinnamom?and Hyaloperonospora arabidopsis,etc.，its interaction with the host in accordance with Zigzag theory.The theory is that pathogens to manipulate host plant defense responses，some of secretion and translocation of effector molecules were transhipped into plant cells，thereby inhibiting the PTI，while the plant defense genes identified pathogen effector molecules get activated，triggering ETI，with the pathogen and plant interaction similar to the “arms race” of escalating achieve pathogen coevolution of plants and genetically.Oomycete genome contains hundreds of highly differentiated RxLR effector of genes，now in terms of functional diversity，redundancy，and transport mechanisms of gene function were reviewed in this paper，in order to further research the mechanism for the transfer of effector proteins toxic functions，and extensive research carried out on plant pathogenic oomycetes pathogenic mechanism provides an important theoretical basis.
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备注/Memo
作者简介：韩长志（1981-），男，博士，讲师，研究方向为经济林病害生物防治与真菌分子生物学。E-mail：hanchangzhi@gmail.com.