Authors
Xue Sun, Oren Ram
Published in
Biology methods & protocols. Volume 11. Issue 1. Pages bpag027. Epub May 29, 2026.
Abstract
This protocol describes sc‑rDSeq, a scalable, droplet‑based method for full‑length, strand‑specific total RNA sequencing at single‑cell resolution. The protocol uses a refined set of 220 ribosomal‑depleted sequences (rDS) primers that selectively exclude ribosomal RNA during initial reverse transcription, enabling capture of both polyadenylated and non‑polyadenylated RNAs such as histone RNAs, noncoding RNAs, and enhancer RNAs, without requiring costly post‑amplification depletion steps. This method is useful for researchers who would like to detect not only gene expression variations, but also alternative splicing events and single nucleotide variations in complex heterogenous cellular systems, providing a more complete view of cellular heterogeneity and regulatory programs that remain invisible to conventional polyadenylated‑only sequencing approaches. Compared with existing full‑length protocols, which are often limited by high reagent costs or reliance on complex multistep microfluidics, sc-rDSeq provides a simpler, single-step microfluidic workflow compatible with standard inDrops platforms, which may reduce experimental complexity and cost relative to existing full-length total-RNA methods. A key improvement is the 10-fold increase in unique molecular identifiers per cell relative to 3' end‑based methods, at a reported reagent cost of approximately $0.08 per cell, making deep total transcriptome analysis more accessible. The protocol includes three major parts: sc‑rDSeq barcode synthesis, single‑cell co‑encapsulation, and library construction.
PMID:
42318539
Bibliographic data and abstract were imported from PubMed on 19 Jun 2026.
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