Transcriptome analysis of Procambarus clarkii infected with infectious hypodermal and haematopoietic necrosis virus

Infectious hypodermal and haematopoietic necrosis virus (IHHNV) is a major viral pathogen in cultured penaeid shrimp. IHHNV has many hosts, mainly including crustaceans. It has recently been reported that Procambarus clarkii can be infected by IHHNV. In the present study, we studied the hepatopancre...

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Bibliographic Details
Published in:Fish & shellfish immunology 2020-03, Vol.98, p.766-772
Main Authors: Nian, Yan-Ying, Chen, Bo-Kun, Wang, Jing-Jing, Zhong, Wei-Tao, Fang, Yan, Li, Zan, Zhang, Qiu-Sheng, Yan, Dong-Chun
Format: Article
Language:English
Subjects:
Infectious hypodermal and haematopoietic necrosis virus (IHHNV)
Procambarus clarkii
Transcriptome
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Summary:Infectious hypodermal and haematopoietic necrosis virus (IHHNV) is a major viral pathogen in cultured penaeid shrimp. IHHNV has many hosts, mainly including crustaceans. It has recently been reported that Procambarus clarkii can be infected by IHHNV. In the present study, we studied the hepatopancreas of P. clarkii by transcriptome high-throughput sequencing to analyze the response of P. clarkii to IHHNV infection. After de novo assembly, there were 400,340,760 clean reads. A total of 237 differentially expressed genes (DEGs) were obtained, including 77 significantly up-regulated unigenes and 160 significantly down-regulated ones. The expression levels of 12 immune-related DEGs were validated by qRT-PCR, substantiating the reliability of RNA-Seq results. The enrichment analysis of DEGs showed that the immune-related pathways were closely related to apoptosis and phagocytosis. Moreover, a large number of pathways related to metabolic function were down-regulated, suggesting that IHHNV infection might affect the growth of P. clarkii. •The response of Procambarus clarkii to IHHNV infection was studied by transcriptome high-throughput sequencing.•A total of 237 differentially expressed genes (DEGs) were obtained.•The DEGs immune-related enrichment pathways were closely related to apoptosis and phagocytosis.•Down-regulated metabolic-related pathways suggested that IHHNV infection might affect the growth of P. clarkii.
ISSN:1050-4648
1095-9947
DOI:10.1016/j.fsi.2019.11.027