N6-Methyladenosine (m6A) Sequencing Reveals Heterodera glycines-Induced Dynamic Methylation Promoting Soybean Defense
文献类型： 外文期刊
作者： Qin, Ruifeng 1 ; Huang, Minghui 1 ; Jiang, Ye 1 ; Jiang, Dan 1 ; Chang, Doudou 1 ; Xie, Yifan 1 ; Dou, Yuewen 1 ; Wu, Lili 1 ; Wei, Liuli 1 ; Wang, Mingze 3 ; Tian, Zhongyan 3 ; Li, Chunjie 1 ; Wang, Congli 1 ;
作者机构： 1.Chinese Acad Sci, Northeast Inst Geog & Agroecol, State Key Lab Black Soils Conservat & Utilizat, Harbin 150081, Heilongjiang, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Heilongjiang Acad Agr Sci, Daqing 163316, Heilongjiang, Peoples R China
关键词： alternative splicing; Heterodera glycines; m6A modification; MeRIP-seq; plant immunity; RNA-seq
期刊名称：PHYTOPATHOLOGY （ 影响因子：2.6； 五年影响因子：3.3 ）
ISSN： 0031-949X
年卷期： 2024 年 114 卷 7 期
页码：
收录情况： SCI
摘要： Unraveling the intricacies of soybean cyst nematode (Heterodera glycines) race 4 resistance and susceptibility in soybean breeding lines-11-452 (highly resistant) and Dongsheng1 (DS1, highly susceptible)-was the focal point of this study. Employing cutting-edge N6-methyladenosine (m6A) and RNA sequencing techniques, we delved into the impact of m6A modification on gene expression and plant defense responses. Through the evaluation of nematode development in both resistant and susceptible roots, a pivotal time point (3 days postinoculation) for m6A methylation sequencing was identified. Our sequencing data exhibited robust statistics, successful soybean genome mapping, and prevalent m6A peak distributions, primarily in the 3 ' untranslated region and stop codon regions. Analysis of differential methylation peaks and differentially expressed genes revealed distinctive patterns between resistant and susceptible genotypes. In the highly resistant line (11-452), key resistance and defense-associated genes displayed increased expression coupled with inhibited methylation, encompassing crucial players such as R genes, receptor kinases, and transcription factors. Conversely, the highly susceptible DS1 line exhibited heightened expression correlated with decreased methylation in genes linked to susceptibility pathways, including Mildew Locus O-like proteins and regulatory elements affecting defense mechanisms. Genome-wide assessments, Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses, and differential methylation peak/differentially expressed gene overlap emphasized the intricate interplay of m6A modifications, alternative splicing, microRNA, and gene regulation in plant defense. Protein-protein interaction networks illuminated defense-pivotal genes, delineating divergent mechanisms in resistant and susceptible responses. This study sheds light on the dynamic correlation between methylation, splicing, and gene expression, providing profound insights into plant responses to nematode infection.
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