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Related Concept Videos

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Related Experiment Video

Updated: Aug 15, 2025

Improving Small RNA-seq: Less Bias and Better Detection of 2'-O-Methyl RNAs
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A novel strand-specific RNA-sequencing protocol using dU-adaptor-assembled Tn5.

Xiaoyuan Tao1, Shouli Feng2, Sujuan Li1

  • 1Central Laboratory, State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, P. R. China.

Journal of Experimental Botany
|December 31, 2022
PubMed
Summary

We developed a novel dU-adaptor-assembled Tn5-mediated strand-specific RNA sequencing protocol. This DIY method generates high-quality strand-specific RNA-seq libraries comparable to existing methods for gene expression profiling.

Keywords:
Tn5dU-Tn5dUTPlncRNAsoybeanstranded RNA-seq

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Area of Science:

  • Molecular Biology
  • Genomics
  • Transcriptomics

Background:

  • Strand-specific RNA sequencing (RNA-seq) is crucial for transcript discovery, genome annotation, and gene expression profiling.
  • Tn5 transposase technology is widely used in large-scale sequencing, epigenetics, and chromatin analysis.

Purpose of the Study:

  • To develop and evaluate a novel dU-adaptor-assembled Tn5-mediated strand-specific RNA-sequencing protocol.
  • To compare the new protocol with the established dUTP method for library preparation and quality.

Main Methods:

  • Development of a dU-adaptor-assembled Tn5-mediated strand-specific RNA-sequencing protocol.
  • Comparative analysis of the novel dU-Tn5 method against the dUTP method using various library quality metrics.
  • Application of the dU-Tn5 method for identifying nitrogen-responsive genes in soybean roots.

Main Results:

  • The dU-Tn5 method is user-friendly and yields strand-specific RNA-seq libraries of comparable quality (library complexity, strand-specificity, evenness, transcript coverage).
  • The dU-Tn5 method demonstrated good agreement with conventional methods for detecting differentially expressed genes (~62-70% overlap).
  • High correlation (R>0.9) was observed in fold-changes between the dU-Tn5 and conventional methods.

Conclusions:

  • The novel dU-adaptor-assembled Tn5-mediated protocol offers a reliable and accessible 'do-it-yourself' option for strand-specific RNA sequencing.
  • This method is suitable for accurate gene expression profiling, including the identification of differentially expressed protein-coding and long non-coding RNAs.
  • The protocol provides a cost-effective and efficient alternative for researchers in transcriptomics and functional genomics.