The unifying feature of second-generation sequencing technologies is that single template strands are amplified clonally onto a solid surface prior to the sequencing reaction. To convert template strands into a compatible state for attachment to this surface, a multistep library preparation is required, which typically culminates in amplification by the PCR. PCR is an inherently biased process, which decreases the efficiency of data acquisition. Flowcell reverse transcription sequencing is a method of transcriptome sequencing for Illumina sequencers in which the reverse transcription reaction is performed on the flowcell by using unamplified, adapter-ligated mRNA as a template. This approach removes PCR biases and duplicates, generates strand-specific paired-end data and is highly reproducible. The procedure can be performed quickly, taking 2 d to generate clusters from mRNA.
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We thank R. Andrews, K. James, L. Sheridan, P. Ellis, C. Langford, T. Ost and J. Collins, who co-authored the primary paper, and M. Gibbs, who helped with the cBot recipes. This work was supported by the Wellcome Trust, grant no. WT079643.
The authors declare no competing financial interests.
cBot_FRTseq_amp_v7.0.txt — recipe for reverse transcription and cluster amplification for both single and paired end flowcells on cBot (XML 3 kb)
cBot_PE_Destain_Lin_Block_Hyb_v7.0.txt — recipe for paired end read flowcells, destain, linearization and blocking on cBot (XML 5 kb)
cBot_SR_Destain_Lin_Block_Hyb_v7.0.txt — recipe for single read flowcells, destain, linearization and blocking on cBot (XML 5 kb)
CS_FRTseq_amp_v5.0.txt — recipe for reverse transcription and cluster amplification on Cluster Station (XML 10 kb)
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Mamanova, L., Turner, D. Low-bias, strand-specific transcriptome Illumina sequencing by on-flowcell reverse transcription (FRT-seq). Nat Protoc 6, 1736–1747 (2011). https://doi.org/10.1038/nprot.2011.399
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