Transcriptome analysis reveals genes connected to temperature adaptation in juvenile antarctic krill Euphausia superba
文献类型： 外文期刊
作者： Liu, Yongliang 1 ; Li, Lingzhi 2 ; Yang, Jialiang 2 ; Huang, Hongliang 2 ; Song, Wei 2 ;
作者机构： 1.Yantai Univ, Sch Ocean, 30 Qingquan Rd, Yantai 264005, Peoples R China
2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Key Lab Ocean & Polar Fisheries, Minist Agr, Shanghai 200090, Peoples R China
关键词： Euphausia superba; Transcriptome analysis; Differentially expressed genes; Temperature adaptation
期刊名称：GENES & GENOMICS （ 影响因子：2.1； 五年影响因子：1.9 ）
ISSN： 1976-9571
年卷期： 2023 年 45 卷 8 期
页码：
收录情况： SCI
摘要： BackgroundThe Antarctic krill, Euphausia superba (E. superba), is a key organism in the Antarctic marine ecosystem and has been widely studied. However, there is a lack of transcriptome data focusing on temperature responses.MethodsIn this study, we performed transcriptome sequencing of E. superba samples exposed to three different temperatures: -1.19 degrees C (low temperature, LT), - 0.37 degrees C (medium temperature, MT), and 3 degrees C (high temperature, HT).ResultsIllumina sequencing generated 772,109,224 clean reads from the three temperature groups. In total, 1,623, 142, and 842 genes were differentially expressed in MT versus LT, HT versus LT, and HT versus MT, respectively. Moreover, Kyoto Encyclopedia of Genes and Genomes analysis revealed that these differentially expressed genes were mainly involved in the Hippo signaling pathway, MAPK signaling pathway, and Toll-like receptor signaling pathway. Quantitative reverse-transcription PCR revealed that ESG037073 expression was significantly upregulated in the MT group compared with the LT group, and ESG037998 expression was significantly higher in the HT group than in the LT group.ConclusionsThis is the first transcriptome analysis of E. superba exposed to three different temperatures. Our results provide valuable resources for further studies on the molecular mechanisms underlying temperature adaptation in E. superba.
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