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Transcriptomic analysis of male three-spot swimming crab (Portunus sanguinolentus) infected with the parasitic barnacle Diplothylacus sinensis

文献类型： 外文期刊

作者： Yang, Changping 1 ; Shan, Binbin 2 ; Liu, Yan 2 ; Wang, Liangming 2 ; Liu, Manting 2 ; Yao, Tuo 2 ; Sun, Dianrong 2 ;

作者机构： 1.Chinese Acad Fisheries Sci, South China Sea Fisheries Res Inst, Trop Aquaculture Res & Dev Ctr, Sanya 572018, Peoples R China

2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab Marine Ranching, Minist Agr & Rural Affairs, Guangzhou 510300, Peoples R China

3.South China Normal Univ, Sch Life Sci, Guangdong Prov Key Lab Healthy & Safe Aquaculture, Guangzhou 510631, Peoples R China

关键词： Transcriptomic variation; Diplothylacus sinensis; Portunus sanguinolentus; Parasite infection

期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.622； 五年影响因子：4.799 ）

ISSN： 1050-4648

年卷期： 2022 年 128 卷

页码：

收录情况： SCI

摘要： Diplothylacus sinensis is reported as an intriguing parasitic barnacle that can negatively affect the growth, molting, reproduction in several commercially important portunid crabs. To better understand the molecular mechanisms of host-parasite interactions, we characterized the gene expression profiles from the healthy and D. sinensis infected Portunus sanguinolentus by high-through sequence method. Totally, the transcriptomic analysis generated 52, 266, 600 and 51, 629, 604 high quality reads from the infected and control groups, respectively. The clean reads were assembled to 90,740 and 69,314 unigenes, with the average length of 760 bp and 709 bp, respectively. The expression analysis showed that 18,959 genes were significantly changed by the parasitism of D. sinensis, including 4769 activated genes and 14,190 suppressed genes. The differentially expressed genes were categorized into 258 KEGG pathways and 647 GO terms. The GO analysis mapped 13 DEGs related to immune system process and 32 DEGs related to immune response, respectively, suggesting a potential alteration of transcriptional expression patterns in complement cascades of P. sanguinolentus. Additionally, 4 representative molting-related genes were down-regulated in parasitized group, indicating D. sinensis infection appeared to suppress the producing of ecdysteroid hormones. In conclusion, the present study improves our understanding on parasite-host interaction mechanisms, which focuses the function of Ecdysone receptor, Toll-like receptor and cytokine receptor of crustacean crabs infestation with rhizocephalan parasites.

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