Detection of physically interacting proteins with the CC and NB-ARC domains of a putative yellow rust resistance protein, Yr10, in wheat

Detection of physically interacting proteins with the CC and NB-ARC domains of a putative yellow rust resistance protein, Yr10, in wheat
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检测小麦中假定的黄锈病抗性蛋白 Yr10 的 CC 和 NB-ARC 结构域的物理相互作用蛋白

DOI:
10.1007/bf03356391
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发表时间:
2016
影响因子:
2
通讯作者:
Yildirim-Ersoy F
Yildirim-Ersoy F
中科院分区:
农林科学4区
文献类型:
--
作者:
Yildirim-Ersoy F

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基因对基因(GFG)抗性是植物的一种有效防御机制,它是由抗性(R)蛋白介导的。在GFG抗性中,病原体效应或无毒(Avr)蛋白被R蛋白识别,其启动一系列导致过敏性细胞死亡的信号转导事件。在谷物中,许多R蛋白由N-末端卷曲螺旋(CC)结构域、核苷酸结合(NB)结构域和与效应子识别相关的富含亮氨酸重复序列(LRR)区域组成。NB-LRR免疫蛋白在植物和动物分类群中高度保守。为了进一步了解谷物中的信号转导事件,我们利用高水平的蛋白质保守性,首先鉴定与候选黄锈病R蛋白(Yr 10)的CC和NB结构域相互作用的酵母基因产物。筛选揭示了主要具有细胞凋亡相关功能的蛋白质(信号识别颗粒72 kDa(SRP 72);染色体分离1(CSE 1); ARrest缺陷1(ARD 1),响应于应激条件的翻译起始控制(一般控制非去阻遏2(GCN 2))和HSP 90共伴侣(环孢菌素敏感性脯氨酸旋转异构酶7(CPR 7))。然后,我们确定了密切的同源物的互作大麦和显示,他们被诱导在6小时和/或12小时后,感染Mla 3介导的白粉病(Blumeria graminisf.sp.hordei,Bgh)的抗病性,这表明他们参与病原体的反应。
Gene-for-gene (GFG) resistance is a potent defense mechanism in plants, that is mediated by resistance (R) proteins. In GFG resistance, pathogen effector or avirulence (Avr) proteins are recognised by R-proteins which initiate a series of signal transduction events that lead to hypersensitive cell death. In cereals, many R-proteins are comprised of an N-terminal coiled-coiled (CC) domain, a Nucleotide Binding (NB) domain and a Leucine Rich Repeats (LRR) region associated with effector recognition. NB-LRR immunity proteins are highly conserved across plant and animal taxa. To advance understating of signal transduction events in cereals, we exploited the high level of protein conservation to first identify yeast gene products interacting with the CC and NB domains of the candidate yellow rust R-protein (Yr10). Screening revealed proteins having mostly apoptosis related functions (Signal Recognition Particle 72kDa (SRP72); Chromosome SEgregation 1 (CSE1); ARrest Defective 1 (ARD1), translation initiation control in response to stress conditions (General Control Nonderepressible 2 (GCN2)), and a HSP90 co-chaperone (Cyclosporin-sensitive proline rotamase 7 (CPR7)). We then identified the close homologues of the interactors in barley and show that they were induced at 6h and/or 12 h after infection in Mla3 mediated Powdery Mildew(Blumeria graminisf.sp.hordei, Bgh) disease resistance, suggesting their involvement in pathogen response.
DOI: 10.1016/s1097-2765(00)80184-7
发表时间: 1999-07-01
期刊: MOLECULAR CELL
影响因子: 16
作者:
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发表时间: 1993-04
期刊: The Journal of biological chemistry
影响因子: --
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DOI: 10.1002/j.1460-2075.1992.tb05267.x
发表时间: 1992-06-01
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发表时间: 1998-07-24
影响因子: 4.8
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DOI: 10.1006/bbrc.2000.3964
发表时间: 2000-12-20
影响因子: 3.1
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