Nonpathogenic Pseudomonas syringae derivatives and its metabolites trigger the plant "cry for help" response to assemble disease suppressing and growth promoting rhizomicrobiome
文献类型： 外文期刊
作者： Liu, Yunpeng 1 ; Zhang, Huihui 2 ; Wang, Jing 2 ; Gao, Wenting 1 ; Sun, Xiting 1 ; Xiong, Qin 1 ; Shu, Xia 1 ; Miao, Youzhi 2 ; Shen, Qirong 2 ; Xun, Weibing 2 ; Zhang, Ruifu 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, State Key Lab Efficient Utilizat Arid & Semiarid, Beijing 100081, Peoples R China
2.Nanjing Agr Univ, Jiangsu Collaborat Innovat Ctr Solid Organ Waste, Jiangsu Prov Key Lab Organ Solid Waste Utilizat, Nanjing 210095, Peoples R China
3.Jiangsu Vocat Coll Agr & Forestry, Dept Agron & Hort, Zhenjiang 212400, Jiangsu, Peoples R China
期刊名称：NATURE COMMUNICATIONS （ 影响因子：15.7； 五年影响因子：17.2 ）
ISSN：
年卷期： 2024 年 15 卷 1 期
页码：
收录情况： SCI
摘要： Plants are capable of assembling beneficial rhizomicrobiomes through a "cry for help" mechanism upon pathogen infestation; however, it remains unknown whether we can use nonpathogenic strains to induce plants to assemble a rhizomicrobiome against pathogen invasion. Here, we used a series of derivatives of Pseudomonas syringae pv. tomato DC3000 to elicit different levels of the immune response to Arabidopsis and revealed that two nonpathogenic DC3000 derivatives induced the beneficial soil-borne legacy, demonstrating a similar "cry for help" triggering effect as the wild-type DC3000. In addition, an increase in the abundance of Devosia in the rhizosphere induced by the decreased root exudation of myristic acid was confirmed to be responsible for growth promotion and disease suppression of the soil-borne legacy. Furthermore, the "cry for help" response could be induced by heat-killed DC3000 and flg22 and blocked by an effector triggered immunity (ETI) -eliciting derivative of DC3000. In conclusion, we demonstrate the potential of nonpathogenic bacteria and bacterial elicitors to promote the generation of disease-suppressive soils.
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