Rice stripe virus p2 Colocalizes and Interacts with Arabidopsis Cajal Bodies and Its Domains in Plant Cells.

Luping Zheng, Pengxiang Hong, Xiaonan Guo, Yang Li, Li Xie

BioMed research international 2020

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p2 of rice stripe virus may translocate from the nucleus to the cytoplasm and recruit nucleolar functions to promote virus systemic movement. Cajal bodies (CBs) are nuclear components associated with the nucleolus, which play a major role in plant virus infection. Coilin, a marker protein of CBs, is essential for CB formation and function. Coilin contains three domains, the N-terminal, the center, and the C-terminal fragments. Using yeast two-hybrid, colocalization, and bimolecular fluorescence complementation (BiFC) approaches, we show that p2 interacts with the full-length of Arabidopsis thaliana coilin (Atcoilin), the center and C-terminal domain of Atcoilin in the nucleus. Moreover, the N-terminal is indispensable for Atcoilin to interact with Cajal bodies. Copyright © 2020 Luping Zheng et al.

Citation

Luping Zheng, Pengxiang Hong, Xiaonan Guo, Yang Li, Li Xie. Rice stripe virus p2 Colocalizes and Interacts with Arabidopsis Cajal Bodies and Its Domains in Plant Cells. BioMed research international. 2020;2020:5182164