RNA libraries for transcription start site mapping (5′ end RNA-seq) were prepared as in Wurtzel et al. (2010) (link). In brief, RNA was incubated with tobacco acid pyrophosphatase (TAP, Epicentre) to treat 5′ ends, and 3′ ends were blocked using NaOI4. Illumina's 5′ adapter was ligated to the RNA with T4 RNA ligase (NEB). cDNA priming was done using a YFP gene-specific primer (GSP). Following cDNA synthesis, YFP amplicons were amplified for 18 cycles using a nested YFP GSP attached to an Illumina 3′ adapter and a 5′ Illumina adapter as forward primer.
5 adapter
The 5' Illumina adapter is a short, synthetic DNA sequence designed to be ligated to the 5' end of DNA fragments during library preparation for Illumina sequencing platforms. It serves as a universal sequence that enables the attachment of DNA fragments to the flow cell surface and provides the priming site for sequencing.
Lab products found in correlation
11 protocols using 5 adapter
Yeast cell RNA extraction and 5'RACE
RNA libraries for transcription start site mapping (5′ end RNA-seq) were prepared as in Wurtzel et al. (2010) (link). In brief, RNA was incubated with tobacco acid pyrophosphatase (TAP, Epicentre) to treat 5′ ends, and 3′ ends were blocked using NaOI4. Illumina's 5′ adapter was ligated to the RNA with T4 RNA ligase (NEB). cDNA priming was done using a YFP gene-specific primer (GSP). Following cDNA synthesis, YFP amplicons were amplified for 18 cycles using a nested YFP GSP attached to an Illumina 3′ adapter and a 5′ Illumina adapter as forward primer.
Vaginal Microbiome DNA Extraction and Amplification Protocol
The V1-V3 regions of the 16S rDNA were amplified using forward primers: 27F with 12 bp golay barcodes containing a specific Illumina 5’ adapter for each sample and a common reverse primer 515 R (Mattei et al., 2019 (link)). In brief, PCR was performed in triplicate in a 50 μl reaction mixture containing 10 ng of template DNA and 2x Phusion HotStart Ready Mix. The following thermal cycling conditions were used: 5 min of initial denaturation at 94°C; 25 cycles of denaturation at 94°C for 30 s, annealing at 62°C for 30 s, and elongation at 72°C for 30 s; and the last step at 72°C for 10 min. The amplified PCR products of approximately 650 bp in size from each sample were pooled in equimolar concentrations. This pooled PCR product was purified using AgenCourt AMPure XP magnetic beads. High throughput sequencing was performed on an Illumina MiSeq 2 × 300 platform (Illumina, Inc. San Diego) in accordance with the manufacturer’s instructions. Image analysis and base calling were carried out directly on the MiSeq.
Vaginal Microbiome 16S rDNA Profiling
The V1-V3 regions of the 16S rDNA were amplified using forward primers: 27F with 12 bp golay barcodes containing a specific Illumina 5' adapter for each sample and a common reverse primer 515 R [27] . In brief, PCR was performed in triplicate in a 50 μL reaction mixture containing 10 ng of template DNA and 2x Phusion HotStart Ready Mix. The following thermal cycling conditions were used: 5 min of initial denaturation at 94 °C; 25 cycles of denaturation at 94 °C for 30 s, annealing at 62 °C for 30 s, and elongation at 72 °C for 30 s; and the last step at 72 °C for 10 min. The amplified PCR products of approximately 650 bp in size from each sample were pooled in equimolar concentrations. This pooled PCR product was purified using AgenCourt AMPure XP magnetic beads. High throughput sequencing was performed on an Illumina MiSeq 2 × 300 platform (Illumina, Inc. San Diego) in accordance with the manufacturer's instructions. Image analysis and base calling were carried out directly on the MiSeq.
Single-cell RNA-seq using CEL-Seq2
Adapter Design for Single-Cell Sequencing
Single-cell RNA-seq library preparation
RT Primer Design for Illumina Sequencing
Adapter Design for Single-Cell Sequencing
Microbiome Analysis of Fecal Samples
RT Primer Design for Illumina Sequencing
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