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The C-terminal region of envelope protein VP38 from white spot syndrome virus is indispensable for interaction with VP24

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Abstract

White spot syndrome virus (WSSV) is a large, rod-shaped, enveloped double-stranded DNA virus. In this study, VP38, a viral envelope protein, was expressed as a glutathione S-transferase (GST) fusion protein, and a polyclonal antibody against VP38 was obtained. Far-Western blotting and GST pull-down showed that VP38 interacted directly with VP24, a major WSSV envelope protein. In addition, to delineate the interaction region of VP38 with VP24, GST-VP38n (aa 1–142) and GST-VP38c (aa 143–309) were expressed. The GST pull-down assay revealed that VP38 binds via its C-terminal region to VP24. The result implies that VP38 may participate in the formation of the WSSV envelope.

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Acknowledgments

This investigation was supported by Natural Science Foundation of China (3077164035), National “863” Program of China (2006AA100312 and 2006AA09Z445) and National “973” Program of China (2006CB101801).

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Correspondence to Feng Yang.

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Jie, Z., Xu, L. & Yang, F. The C-terminal region of envelope protein VP38 from white spot syndrome virus is indispensable for interaction with VP24. Arch Virol 153, 2103–2106 (2008). https://doi.org/10.1007/s00705-008-0221-8

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  • DOI: https://doi.org/10.1007/s00705-008-0221-8

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