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De Novo RNA Sequencing and Transcriptome Analysis of Sclerotium rolfsii Gene Expression during Sclerotium Development

文献类型： 外文期刊

作者： Wang, Fanfan 1 ; Wang, Xiaoyue 1 ; Tang, Tao 1 ; Duan, Yuanyuan 2 ; Mao, Ting 1 ; Guo, Xiaoliang 1 ; Wang, Qingfang 1 ; You, Jingmao 3 ;

作者机构： 1.Hubei Acad Agr Sci, Inst Chinese Herbal Med, Key Lab Biol & Cultivat Chinese Herbal Med, Minist Agr & Rural Affairs, Enshi 445000, Peoples R China

2.Hubei Acad Agr Sci, Hubei Engn Res Ctr Under Forest Econ, Wuhan 430064, Peoples R China

3.Hubei Acad Agr Sci, Inst Chinese Herbal Med, Hubei Engn Res Ctr Good Agr Pract GAP Prod Chinese, Enshi 445000, Peoples R China

关键词： Sclerotium rolfsii; transcriptome; sclerotium; weighted gene co-expression network analysis

期刊名称：GENES （ 影响因子：3.5； 五年影响因子：3.9 ）

ISSN：

年卷期： 2023 年 14 卷 12 期

页码：

收录情况： SCI

摘要： Sclerotium rolfsii is a destructive soil-borne fungal pathogen that causes stem rot in cultivated plants. However, little is known about the genetic basis of sclerotium development. In this study, we conducted de novo sequencing of genes from three different stages of S. rolfsii (mycelia, early sclerotium formation, and late sclerotium formation) using Illumina HiSeq (TM) 4000. We then determined differentially expressed genes (DEGs) across the three stages and annotated gene functions. STEM and weighted gene-co-expression network analysis were used to cluster DEGs with similar expression patterns. Our analysis yielded an average of 25,957,621 clean reads per sample (22,913,500-28,988,848). We identified 8929, 8453, and 3744 DEGs between sclerotium developmental stages 1 versus 2, 1 versus 3, and 2 versus 3, respectively. Additionally, four significantly altered gene expression profiles involved 220 genes related to sclerotium formation, and two modules were positively correlated with early and late sclerotium formation. These results were supported by the outcomes of qPCR and RNA-sequencing conducted on six genes. This is the first study to provide a gene expression map during sclerotial development in S. rolfsii, which can be used to reduce the re-infection ability of this pathogen and provide new insights into the scientific prevention and control of the disease. This study also provides a useful resource for further research on the genomics of S. rolfsii.

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