Journal
ARCHIVES OF VIROLOGY
Volume 160, Issue 2, Pages 453-457Publisher
SPRINGER WIEN
DOI: 10.1007/s00705-014-2268-z
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Funding
- National Science and Technology Support Program [2012BAD19B03]
- China 973 Program [2010CB126203]
- Special Fund for Agro-Scientific Research in the Public Interest of China [201003031]
- 863 Program [2007AA10Z414]
- Zhejiang Provincial Science and Technology Project [2010C12027]
- Zhejiang Provincial Foundation for Natural Science [LQ14C140003]
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P6 of southern rice black-streaked dwarf virus (SRBSDV) is a multifunctional protein that is involved in the formation of viroplasms by interacting with P5-1. Here, we used yeast two-hybrid and bimolecular fluorescence complementation assays to show that there were homologous and heterologous interactions between SRBSDV P6 and P9-1 in yeast and plant cells. Mutational analysis showed that the N-terminal region (residues 1-93) of P6 was necessary for the interaction between P6 and P9-1. Self-interactions only occurred between the full-length P6 or P9-1. P9-1 was able to form viroplasm-like inclusion structures alone in the absence of other viral proteins.
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