Optimized protocol for single-molecule RNA FISH to visualize gene expression in <i>S. cerevisiae</i>.


Single-molecule RNA fluorescence in situ hybridization (smFISH) allows subcellular visualization, localization, and quantification of endogenous RNA molecules in fixed cells. The spatial and intensity information of each RNA can be used to distinguish mature from nascent transcripts inside each cell, revealing both past and instantaneous transcriptional activity. Here, we describe an optimized protocol for smFISH in Saccharomyces cerevisiae with optimized lyticase digestion time and hybrization steps for more homogenous results. For complete details on the use and execution of this protocol, please refer to Donovan et al. (2019).

More about this publication

STAR protocols
  • Volume 2
  • Issue nr. 3
  • Pages 100647
  • Publication date 17-09-2021

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