Transcriptome profiling of immune response to Yersinia ruckeri in spleen of rainbow trout (Oncorhynchus mykiss)
文献类型： 外文期刊
作者： Wang, Di 1 ; Sun, Simeng 1 ; Li, Shaowu 2 ; Lu, Tongyan 2 ; Shi, Dongfang 1 ;
作者机构： 1.Northeast Agr Univ, Coll Vet Med, Harbin 150030, Peoples R China
2.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin 150070, Peoples R China
3.Key Lab Aquat Anim Dis & Immune Technol Heilongji, Harbin 150070, Peoples R China
关键词： Rainbow trout; Yersinia ruckeri; Spleen; Transcriptome; Immune response
期刊名称：BMC GENOMICS （ 影响因子：3.594； 五年影响因子：4.093 ）
ISSN： 1471-2164
年卷期： 2021 年 22 卷 1 期
页码：
收录情况： SCI
摘要： Background Yersinia ruckeri is a pathogen that can cause enteric redmouth disease in salmonid species, damaging global production of economically important fish including rainbow trout (Oncorhynchus mykiss). Herein, we conducted the transcriptomic profiling of spleen samples from rainbow trout at 24 h post-Y. ruckeri infection via RNA-seq in an effort to more fully understand their immunological responses. Results We identified 2498 differentially expressed genes (DEGs), of which 2083 and 415 were up- and down-regulated, respectively. We then conducted a more in-depth assessment of 78 DEGs associated with the immune system including CCR9, CXCL11, IL-1 beta, CARD9, IFN, TNF, CASP8, NF-kappa B, NOD1, TLR8 alpha 2, HSP90, and MAPK11, revealing these genes to be associated with 20 different immunological KEGG pathways including the Cytokine-cytokine receptor interaction, Toll-like receptor signaling, RIG-I-like receptor signaling, NOD-like receptor signaling, and MAPK signaling pathways. Additionally, the differential expression of 8 of these DEGs was validated by a qRT-PCR approach and their immunological importance was then discussed. Conclusions Our findings provide preliminary insight on molecular mechanism underlying the immune responses of rainbow trout following Y. ruckeri infection and the base for future studies of host-pathogen interactions in rainbow trout.
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