Hemolymph transcriptome analysis of Chinese mitten crab (Eriocheir sinensis) with intact, left cheliped autotomy and bilateral eyestalk ablation

Fish & Shellfish Immunology
Cong ZhangXiao-Zhen Yang

Abstract

In the pond culture of Eriocheir sinensis, high limb-autotomy seriously affects the quality and culture's economic efficiency. Based on our previous studies, limb autotomy can induce the changes of hematological immune response in E. sinensis hemolymph. Eyestalk ablation can accelerate the regeneration of limbs after autotomy. To detect the important functional genes related to the hematological molecular immunity of E. sinensis, we compared and analyzed the hemolymph transcriptome data of the intact crab, left cheliped autotomized crabs and bilateral eyestalk ablation crabs with high-throughput sequencing techniques. The results showed that the three groups obtained 62 172 414, 68 143 682, and 67 811 618 clean reads, respectively. A total of 9567 differentially expressed genes were obtained by multiple comparison of the three groups' libraries. Gene ontology (GO) functional classification analysis shows that the differential genes belong to 42 categories of biological process, cellular components and molecular function. The differentially expressed genes in the three libraries were enriched to 344 specific KEGG metabolic pathways by KEGG enrichment analysis, such as the up-regulated gene (dual oxidase (Duox), tyrosine 3-monoox...Continue Reading

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