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© Research
Publication : Journal of visualized experiments : JoVE

Improving Small RNA-seq: Less Bias and Better Detection of 2′-O-Methyl RNAs.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal of visualized experiments : JoVE - 16 Sep 2019

van Dijk EL, Eleftheriou E, Thermes C,

Link to Pubmed [PMID] – 31566609

Link to DOI – 10.3791/60056

J Vis Exp 2019 09; (151):

The study of small RNAs (sRNAs) by next-generation sequencing (NGS) is challenged by bias issues during library preparation. Several types of sRNA such as plant microRNAs (miRNAs) carry a 2′-O-methyl (2′-OMe) modification at their 3′ terminal nucleotide. This modification adds another difficulty as it inhibits 3′ adapter ligation. We previously demonstrated that modified versions of the ‘TruSeq (TS)’ protocol have less bias and an improved detection of 2′-OMe RNAs. Here we describe in detail protocol ‘TS5’, which showed the best overall performance. TS5 can be followed either using homemade reagents or reagents from the TS kit, with equal performance.

https://pubmed.ncbi.nlm.nih.gov/31566609