Infection with infectious precocious virus (IPV) suppresses infection with decapod iridescent virus 1 (DIV1) in Macrobrachium rosenbergii

文献类型： 外文期刊

第一作者： Lou, Haoyu

作者： Lou, Haoyu;Tang, Qiongying;Yang, Guoliang;Lou, Haoyu;Wang, Guohao;Li, Xuan;Zhou, Chengyan;Guo, Xiaomeng;Wang, Liying;Dong, Xuan;Huang, Jie;Wang, Guohao;Zhou, Chengyan;Guo, Xiaomeng;Huang, Jie;Li, Xuan;Yang, Guoliang

作者机构：

关键词： Macrobrachium rosenbergii; Co-infection; DIV1; IPV

期刊名称：JOURNAL OF INVERTEBRATE PATHOLOGY （ 影响因子：2.4； 五年影响因子：3.0 ）

ISSN： 0022-2011

年卷期： 2025 年 211 卷

页码：

收录情况： SCI

摘要： In recent years, diseases caused by infectious precocious virus (IPV) or decapod iridescent virus 1 (DIV1) have resulted in significant losses to the giant freshwater prawn (Macrobrachium rosenbergii) industry, threatening sustainable aquaculture development of this species. Co-infection with these two viruses was found in farmed prawns. This study investigated the biological characteristics of co-infection in M. rosenbergii through artificial infection with IPV and DIV1. The clinical signs of prawns co-infected with both viruses were observed, histopathological analysis, RT-qPCR or qPCR and in situ hybridization or in situ DIG-labeling-loop-mediated DNA amplification experiments to confirm the co-infection in prawns. The results showed that infection with DIV1 in M. rosenbergii was suppressed by infection with IPV in the co-infection group with a significant lower mortality, weaker histopathological changes, and reduced DIV1 loading compared with prawns only infected with DIV1. This study offers valuable insights for the prevention and control of these dual diseases.

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