Reprint of: Virus-binding proteins and their roles in shrimp innate immunity

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Abstract

Disease outbreaks caused by viral pathogens constitute a major limitation to development of the shrimp aquaculture industry. Many research have been conducted to better understand how host shrimp respond to viral infections with the aim of using the gained knowledge to develop better strategies for disease management and control. One approach has been to study the interactions between host and viral proteins, and particularly host virus-binding proteins that might play an important role in the viral infection process. Within the past five years, increasing numbers of virus-binding proteins (VBPs) have been reported in shrimp. Characterization of these molecules has emphasized on their potential therapeutic applications by demonstrating their activities in inhibition of viral replication via in vivo neutralization assay. However, signaling to induce innate antiviral immune responses as a consequence of binding between viral proteins and VBPs remain to be fully elucidated.

Highlights

★ The increasing numbers of virus-binding proteins have been reported in shrimp. ★ Shrimp VBPs can be secreted or soluble, membrane-bound and cytoplasmic PRRs. ★ More than one VBP have been identified to recognize each particular pathogen. ★ Shrimp VBPs work coordinately in response to defend against virus infection.

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