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Updated: Nov 17, 2025

Metabolic Labeling and Profiling of Transfer RNAs Using Macroarrays
Published on: January 16, 2018
High-resolution quantitative profiling of tRNA abundance and modification status in eukaryotes by mim-tRNAseq
Andrew Behrens1, Geraldine Rodschinka1, Danny D Nedialkova2
1Mechanisms of Protein Biogenesis, Max Planck Institute of Biochemistry, 82152 Martinsried, Germany.
Abstract:
Measurements of cellular tRNA abundance are hampered by pervasive blocks to cDNA synthesis at modified nucleosides and the extensive similarity among tRNA genes. We overcome these limitations with modification-induced misincorporation tRNA sequencing (mim-tRNAseq), which combines a workflow for full-length cDNA library construction from endogenously modified tRNA with a comprehensive and user-friendly computational analysis toolkit. Our method accurately captures tRNA abundance and modification status in yeast, fly, and human cells and is applicable to any organism with a known genome. We applied mim-tRNAseq to discover a dramatic heterogeneity of tRNA isodecoder pools among diverse human cell lines and a surprising interdependence of modifications at distinct sites within the same tRNA transcript.
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