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The identification and characteristics of salinity-related microRNAs in gills of Portunus trituberculatus

文献类型: 外文期刊

作者: Lv, Jianjian 1 ; Liu, Ping 1 ; Gao, Baoquan 1 ; Li, Jian 1 ;

作者机构: 1.Minist Agr, Key Lab Sustainable Dev Marine Fisheries, Qingdao, Peoples R China; Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266071, Peoples R China

关键词: Portunus trituberculatus;MicroRNA;Salinity;Osmoregulation

期刊名称:CELL STRESS & CHAPERONES ( 影响因子:3.667; 五年影响因子:3.717 )

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收录情况: SCI

摘要: MicroRNAs (miRNAs) are small noncoding RNAs that post-transcriptionally regulate gene expression in organisms. To understand the underlying mechanisms behind the molecular response of the crab to low salt-stress, high-throughput Illumina/Solexa deep sequencing technology was used to investigate the expression profiles of miRNAs under low salinity challenged. Two mixed RNA pool libraries of gill tissues from low salinity challenged (LC) and the control groups (NC) were sequenced on the Illumina platform. A total of 6,166,057 and 7,032,973 high-quality reads were obtained from the NC and LC libraries, respectively. Sixty-seven miRNAs consisting of 16 known and 51 novel ones were identified, among which, 12 miRNAs were differentially expressed in LC compared to NC. Thirty-four of the target genes predicted were differentially expressed in the opposite direction to the miRNAs, which were involved in crucial processes related to osmoregulation by gene ontology (GO) functional enrichment analysis, such as anion transport processes (GO:0006820) and chitin metabolic process (GO:0006030). These results provide a basis for further investigation of the miRNA-modulating networks in osmoregulation of Portunus trituberculatus.

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