BnaEFR1 and BnaEFR2 genes play key roles in elf18-triggered immunity in Brassica napus L.
文献类型： 外文期刊
作者： Cui, Junmei 1 ; Qin, Jiangyuan 1 ; Wei, Jiaping 1 ; Zhu, Shujun 1 ; Sa, Ermei 1 ; Wei, Hongyan 1 ; Zheng, Guoqiang 1 ; Fang, Yan 1 ; Wu, Zefeng 1 ; Yao, Panfeng 1 ; Liu, Zigang 1 ; Wang, Jinxiong 2 ;
作者机构： 1.Gansu Agr Univ, State Key Lab Aridland Crop Sci, Lanzhou 730070, Peoples R China
2.Tibet Acad Agr & Anim Husb Sci, Agr Res Inst, Lasa 850000, Peoples R China
关键词： Elf18; Efr; Immune responses; Phosphorylation; B. napus
期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：4.2； 五年影响因子：4.6 ）
ISSN： 0304-4238
年卷期： 2025 年 342 卷
页码：
收录情况： SCI
摘要： Surface-localized pattern-recognition receptors (PRRs) are pivotal in recognition of conserved microbe- associated molecular patterns (MAMPs), instigating a branched signaling cascade that ultimately restricts pathogen growth, a process known as pattern-triggered immunity (PTI). In order to assess immune responses triggered by eighteen highly conserved amino acids from the bacterial elongation factor EF-Tu (elf18) in Brassica napus, an oil crop, we investigated the reactive oxygen species (ROS) burst and plant growth. Through bioinformatics and biochemical analyses, we identified two EFR homologous genes (BnaEFR1 and BnaEFR2) in the B. napus genome. Overexpression tests of BnaEFR1 and BnaEFR2 in tobacco prove that the ability of tobacco to respond to the elf18-induced immune reactions is restored. Therefore, BnaEFR1 and BnaEFR2 played crucial roles in recognizing elf18 to initiate immune responses in B. napus. We analyzed the possible phosphorylation sites of BnaEFR1 and BnaEFR2, which may provide clues for further research on the mechanism of elf18-triggered immunity in B. napus.
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