Genome-wide DNA methylation and transcriptome analysis of the Pacific white shrimp Penaeus vannamei post-WSSV infection
文献类型： 外文期刊
作者： Li, Xupeng 1 ; Wang, Jingjing 1 ; Luan, Sheng 1 ; Luo, Kun 1 ; Kong, Jie 1 ; Meng, Xianhong 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Marine Sci & Technol Ctr, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Shandong, Peoples R China
关键词： Penaeus vannamei; White spot syndrome virus (WSSV); Genome-wide DNA methylation; Transcriptome
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：3.9； 五年影响因子：4.2 ）
ISSN： 1050-4648
年卷期： 2025 年 165 卷
页码：
收录情况： SCI
摘要： The Pacific white shrimp, Penaeus vannamei, is a globally significant aquaculture species, but it faces major threats from the white spot syndrome virus (WSSV) due to the virus's broad host range and high lethality. Although various studies have explored the molecular mechanisms of P. vannamei resistance to WSSV, the role of epigenetics, particularly DNA methylation, remains underexplored. DNA methylation, a key epigenetic modification, can influence gene expression and immune response. This study conducted genome-wide DNA methylation and transcriptome analysis at different post-infection stages. The results showed a significant decrease in genome-wide DNA methylation post-WSSV infection, corresponding with the upregulation of many differentially expressed genes (DEGs), particularly in the CG context. Early in the infection, classic immune pathways like JAK-STAT and p53 were enriched in differentially methylated region (DMR) related DEGs. However, in the later stage, immune-related pathways declined, giving way to pathways involved in cellular and metabolic processes, suggesting an adaptation phase where the shrimp's immune system adjusts to prolonged infection by managing cellular processes and metabolic demands.
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