The interaction of white spot syndrome virus envelope protein VP28 with shrimp Hsc70 is specific and ATP-dependent

Fish & Shellfish Immunology
Hua XuYipeng Qi

Abstract

White spot syndrome virus (WSSV) is one of the most devastating pathogens of shrimps and other crustaceans. In a previous study, we demonstrated that the major envelope protein VP28 of WSSV was involved in the attachment and penetration into shrimp cells. Here we showed that heat-shock cognate protein 70 (Hsc70) of shrimp was a binding partner of VP28 during virus infection. Hsc70 expression was enhanced by WSSV infection at the early stage and peaked at 12h post-infection and decreased drastically at the late stage. In shrimp haemocytes, both VP28 and Hsc70 proteins localized in the cytoplasm and their association was specific, ATP-dependent and Hsc70 concentration dependent. Moreover, direct VP28-Hsc70 association required both ATPase domain and peptide binding domain of Hsc70. The data obtained will help elucidate the role of VP28 protein in the process of virus infection.

Citations

Dec 4, 2013·Journal of Biosciences·Vinayak BiradarDeepti Deobagkar
Sep 3, 2013·Indian Journal of Virology : an Official Organ of Indian Virological Society·Subhendu Kumar Otta
May 2, 2014·Developmental and Comparative Immunology·Syed Khader Syed Musthaq, Jimmy Kwang
Aug 2, 2014·Developmental and Comparative Immunology·Syed Khader Syed Musthaq, Jimmy Kwang
Feb 13, 2015·Virusdisease·Pedro A Valentim-NetoMaria R F Marques
Feb 19, 2013·Fish & Shellfish Immunology·Kallaya SritunyalucksanaJiraporn Srisala
Oct 2, 2012·Fish & Shellfish Immunology·Kallaya SritunyalucksanaJiraporn Srisala
Nov 16, 2010·Developmental and Comparative Immunology·Xiao-Peng XiongJian-Guo He
May 14, 2016·World Journal of Virology·Carlos A Guerrero, Orlando Acosta

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