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Comparison of the Distinct, Host-Specific Response of Three Solanaceae Hosts Induced by Phytophthora infestans

文献类型： 外文期刊

作者： Lu, Jie 1 ; Liu, Tingli 4 ; Zhang, Xiong 5 ; Li, Jie 2 ; Wang, Xun 3 ; Liang, Xiangxiu 2 ; Xu, Guangyuan 2 ; Jing, Maofen 1 ;

作者机构： 1.Northeast Agr Univ, Coll Agr, Harbin 150030, Peoples R China

2.China Agr Univ, Coll Plant Protect, Dept Plant Pathol, Beijing 100193, Peoples R China

3.Heilongjiang Acad Agr Sci, Harbin 150028, Peoples R China

4.Jiangsu Acad Agr Sci, Excellence & Innovat Ctr, Nanjing 210014, Peoples R China

5.Chinese Acad Agr Sci, Key Lab Biol & Genet Improvement Oil Crops, Minist Agr PRC, Oil Crops Res Inst, Wuhan 430062, Peoples R China

6.Nanjing Agr Univ, Coll Plant Protect, Key Lab Plant Immun, Nanjing 210095, Peoples R China

7.James Hutton Inst, Dundee DD2 5DA, Scotland

关键词： Solanaceae hosts; Phytophthora infestans; RNA-seq; host-specific immune response

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.924； 五年影响因子：6.132 ）

ISSN：

年卷期： 2021 年 22 卷 20 期

页码：

收录情况： SCI

摘要： Three Solanaceae hosts (TSHs), S. tuberosum, N. benthamiana and S. lycopersicum, represent the three major phylogenetic clades of Solanaceae plants infected by Phytophthora infestans, which causes late blight, one of the most devastating diseases seriously affecting crop production. However, details regarding how different Solanaceae hosts respond to P. infestans are lacking. Here, we conducted RNA-seq to analyze the transcriptomic data from the TSHs at 12 and 24 h post P. infestans inoculation to capture early expression effects. Macroscopic and microscopic observations showed faster infection processes in S. tuberosum than in N. benthamiana and S. lycopersicum under the same conditions. Analysis of the number of genes and their level of expression indicated that distinct response models were adopted by the TSHs in response to P. infestans. The host-specific infection process led to overlapping but distinct in GO terms and KEGG pathways enriched for differentially expressed genes; many were tightly linked to the immune response in the TSHs. S. tuberosum showed the fastest response and strongest accumulation of reactive oxygen species compared with N. benthamiana and S. lycopersicum, which also had similarities and differences in hormone regulation. Collectively, our study provides an important reference for a better understanding of late blight response mechanisms of different Solanaceae host interactions.

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