Visualizing RNA in living cells is increasingly important to facilitate accumulation of knowledge about the relation between specific RNA dynamics and physiological events. Single-molecule fluorescence imaging of target RNAs is an excellent approach to analyzing intracellular RNA motion, but it requires special techniques for probe design and microscope setup. Herein, we present a principle and protocol of an RNA visualization probe based on an RNA binding protein of the Pumilio homology domain (PUM-HD). We also describe the setup and operation of a microscope, and introduce an application to visualize telomeric repeats-containing RNA with telomeres and a telomere-related protein: hnRNPA1. This imaging technique is applicable to visualization of different RNAs, especially including repetitive sequences, in living cells.
CITATION STYLE
Yoshimura, H., & Ozawa, T. (2018). Real-time fluorescence imaging of single-molecule endogenous noncoding RNA in living cells. In Methods in Molecular Biology (Vol. 1649, pp. 337–347). Humana Press Inc. https://doi.org/10.1007/978-1-4939-7213-5_22
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