A modular platform for bioluminescent RNA tracking

Abstract A complete understanding of RNA biology requires methods for tracking transcripts in vivo. Common strategies rely on fluorogenic probes that are limited in sensitivity, dynamic range, and depth of interrogation, owing to their need for excitation light and tissue autofluorescence. To overco...

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Main Authors: Lila P. Halbers, Kyle H. Cole, Kevin K. Ng, Erin B. Fuller, Christelle E. T. Chan, Chelsea Callicoatte, Mariajose Metcalfe, Claire C. Chen, Ahfnan A. Barhoosh, Edison Reid-McLaughlin, Alexandra D. Kent, Zachary R. Torrey, Oswald Steward, Andrej Lupták, Jennifer A. Prescher
Format: Article
Language:English
Published: Nature Portfolio 2024-11-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-024-54263-5
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Summary:Abstract A complete understanding of RNA biology requires methods for tracking transcripts in vivo. Common strategies rely on fluorogenic probes that are limited in sensitivity, dynamic range, and depth of interrogation, owing to their need for excitation light and tissue autofluorescence. To overcome these challenges, we report a bioluminescent platform for serial imaging of RNAs. The RNA tags are engineered to recruit light-emitting luciferase fragments (termed RNA lanterns) upon transcription. Robust photon production is observed for RNA targets both in cells and in live animals. Importantly, only a single copy of the tag is necessary for sensitive detection, in sharp contrast to fluorescent platforms requiring multiple repeats. Overall, this work provides a foundational platform for visualizing RNA dynamics from the micro to the macro scale.
ISSN:2041-1723