Transcriptional differences provide insight into environmental acclimatization in wild amur ide (Leuciscus waleckii) during spawning migration from alkalized lake to freshwater river
文献类型： 外文期刊
作者： Chen, Baohua 1 ; Xu, Jian 3 ; Cui, Jun 3 ; Pu, Fei 1 ; Peng, Wenzhu 1 ; Chen, Lin 1 ; Xu, Peng 1 ;
作者机构： 1.Xiamen Univ, Fujian Collaborat Innovat Ctr Exploitat & Utiliza, Xiamen 361102, Fujian, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266237, Shandong, Peoples R China
3.Chinese Acad Fishery Sci, Ctr Appl Aquat Genom, Beijing 100141, Peoples R China
4.Ningde Fufa Fisheries Co Ltd, State Key Lab Large Yellow Croaker Breeding, Ningde 352103, Peoples R China
5.Dalian Univ Technol, Sch Life Sci & Biotechnol, Dalian 116024, Peoples R China
关键词： Amur ide; Leuciscus waleckii; Transcriptome; RNA-Seq; Spawning migration; Gene expression
期刊名称：GENOMICS （ 影响因子：5.736； 五年影响因子：4.939 ）
ISSN： 0888-7543
年卷期： 2019 年 111 卷 3 期
页码：
收录情况： SCI
摘要： Amur ide (Leuciscus waleckii) inhabits alkaline water in Lake Dali Nur and migrates to fresh water river for spawning every year. To investigate the potential genetic mechanisms underlying their alkaline acclimation, adaptation, and spawning migration, we performed differential gene expression analysis using high-throughput RNA-Seq data from liver of Amur ide samples collected before and after spawning migration. First, the short RNA-Seq reads were de novo assembled into 44,318 contigs, and provided the transcriptome reference sequences. Differential gene expression analysis identified 2575 genes with significant differential expression (p-value <=.01, log2-fold-change >= 2). GO enrichment and KEGG pathway analyses were subsequently performed to determine gene functions and regulation. The results indicated that there were numerous differentially expressed genes involved in acid-base regulation, nitrogenous waste excretion, sexual maturation and reproduction, and stress response. These results provide fundamental information for further analyses of the physiological and molecular mechanisms underlying Amur ide alkaline acclimation, adaptation, and spawning migration.
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