Spinach-based RNA mimicking GFP in plant cells

Springer Science and Business Media LLC - Tập 22 - Trang 423-428 - 2022
Zhiming Yu1, Yue Wang1, Fengling Mei1, Haiting Yan1, Zhenhui Jin1,2, Pengcheng Zhang1,2, Xian Zhang1, Mahmut Tör2, Stephen Jackson3, Nongnong Shi1, Yiguo Hong1,2,3
1Research Centre for Plant RNA Signaling, College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
2School of Science and the Environment, University of Worcester, Worcester, UK
3School of Life Sciences, University of Warwick, Coventry, UK

Tóm tắt

Spinach RNA-mimicking GFP (S-RMG) has been successfully used to monitor cellular RNAs including microRNAs in bacterium, yeast, and human cells. However, S-RMG has not been established in plants. In this study, we found that like bacterial, yeast, and human cellular tRNAs, plant tRNAs such as tRNALys can protect and/or stabilize the Spinach RNA aptamer interaction with the fluorophore DFHBI enabling detectable levels of green fluorescence to be emitted. The tRNALys-Spinach-tRNALys, once delivered into “chloroplast-free” onion epidermal cells can emit strong green fluorescence in the presence of DFHBI. Our results demonstrate for the first time that Spinach-based RNA visualization has the potential for in vivo monitoring of RNAs in plant cells.

Tài liệu tham khảo

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