Epitranscriptomic mapping of RNA modifications at single-nucleotide resolution using rhodamine sequencing (Rho-seq)

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Abstract

The recent development of epitranscriptomics revealed a new fundamental layer of gene expression, but the mapping of most RNA modifications remains technically challenging. Here, we describe our protocol for Rho-Seq, which enables the mapping of dihydrouridine RNA modification at single-nucleotide resolution. Rho-Seq relies on specific rhodamine-labeling of a subset of modified nucleotides that hinders reverse transcription. Although Rho-Seq was initially applied to the detection of dihydrouridine, we show here that it is applicable to other modifications including 7-methylguanosine or 4-thiouridine. For complete details on the use and execution of this protocol, please refer to Finet et al. (2022).

Original languageEnglish
Article number101369
JournalSTAR Protocols
Volume3
Issue number2
DOIs
Publication statusPublished - 17 Jun 2022

Keywords

  • Gene Expression
  • Molecular Biology
  • RNAseq
  • Sequence analysis

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