Global Analysis of microRNA-like RNAs Reveals Differential Regulation of Pathogenicity and Development in Fusarium oxysporum HS2 Causing Apple Replant Disease
文献类型： 外文期刊
作者： Zhao, Ruxin 1 ; Suo, Xiangmin 2 ; Meng, Xianglong 1 ; Wang, Yanan 1 ; Dai, Pengbo 1 ; Hu, Tongle 1 ; Cao, Keqiang 1 ; Wang, Shutong 1 ; Li, Bo 1 ;
作者机构： 1.Hebei Agr Univ, Coll Plant Protect, State Key Lab North China Crop Improvement & Regul, Baoding 071000, Peoples R China
2.Hebei Acad Agr & Forestry Sci, Shijiazhuang Inst Fruit, Shijiazhuang 050051, Peoples R China
3.Hebei Acad Agr & Forestry Sci, Inst Agr Informat & Econ, Shijiazhuang 050051, Peoples R China
关键词：
期刊名称：JOURNAL OF FUNGI （ 影响因子：4.0； 五年影响因子：4.5 ）
ISSN：
年卷期： 2024 年 10 卷 12 期
页码：
收录情况： SCI
摘要： This study investigated the expression profiles of microRNA-like RNAs (milRNAs) in Fusarium oxysporum HS2 (FoHS2), a key pathogen causing Apple replant disease (ARD), across spore to mycelium formation stages. Using small RNA sequencing (sRNA-seq) and bioinformatics, we identified and analyzed milRNAs, revealing their targeting of 2364 mRNAs involved in 20 functional categories, including metabolic and cellular processes, based on gene ontology (GO) analysis. An analysis of Kyoto Encyclopedia of Genes and Genomes (KEGG) showed that these mRNAs are related to carbohydrate and amino acid metabolism pathways. Notably, the highest number of differentially or specifically expressed milRNAs (DEmilRNAs/SEmilRNAs) was found during the spore stage, with FoHS2-milR19 targeting genes encoding histone acetyltransferases, methyltransferases, and cell wall-degrading enzymes (CWDEs), which are crucial for growth, development, and pathogenicity. We validated the reliability of our sRNA-seq data and the expression of target genes using stem-loop RT-PCR and qRT-PCR. Our results highlight the stage-specific expression of milRNAs in FoHS2, particularly in the spore stage, suggesting a key role in regulating host life activities and providing a theoretical basis for developing RNA-based pesticides to control ARD.
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