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  • Title: Transcriptome sequencing revealed the genes and pathways involved in salinity stress of Chinese mitten crab, Eriocheir sinensis.
    Author: Li E, Wang S, Li C, Wang X, Chen K, Chen L.
    Journal: Physiol Genomics; 2014 Mar 01; 46(5):177-90. PubMed ID: 24423969.
    Abstract:
    A total of 276.9 million reads were obtained and assembled into 206, 371 contigs with an average length of 614 bp and N50 of 1,470 bp. Comparison of digital gene expression between treatment and control group reveals 1,151 and 941 genes were significantly differentially expressed in crab gill and muscle, respectively. In gill and muscle, protein ubiquitination, ubiquinone biosynthesis, oxidative phosphorylation, and mitochondria dysfunction pathways were the top pathways differentially expressed following the challenge. EIF 2 signaling pathway and IGF-1 signaling pathway were the top ones among the signal-related pathways. Most of the amino acid metabolism pathways were found to be involved in this process. The expression patterns of 15 differentially expressed genes were validated by quantitative real-time RT-PCR (average correlation coefficient 0.80). This is the first report of expression analysis of genes and pathways involved in osmoregulation of Eriocheir sinensis through transcriptome sequencing. The findings of this study will further promote the understanding of the underlying molecular mechanism of salinity stress adaptation for crustacean species.
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