Illumina Rapid RNA Prep with Exome 2.5 Enrichment

Fast, simple library prep workflow for RNA exome analysis, combining cDNA synthesis and adapter tagging into a single step.

6.5 hr

Assay time

< 1.5 hr

Hands-on time

1–1000 ng RNA

Input quantity

See full details in the specifications table

Overview

Illumina Rapid RNA Prep with Exome 2.5 Enrichment offers the fastest and easiest RNA-Seq exome library prep solution in the Illumina portfolio. A streamlined, 30-minute one-tube reaction combines cDNA synthesis and on-bead tagmentation. The rapid workflow supports low-input or degraded RNA samples and delivers high-accuracy targeted data.

Key features

Fast, simplified library prep

The entire simplified workflow, including enrichment, requires as little as 6.5 hours and less than 1.5 hours hands-on time to generate a sequencing-ready exome-enriched RNA library.

Optimized enrichment performance

Focused coverage of the coding transcriptome using the comprehensive and up-to-date Twist Bioscience for Illumina Exome 2.5 Panel with a 90-min hybridization.

High-quality data from low input samples

Reproducible results from as little as 1 ng of high-quality RNA or 20 ng FFPE* RNA while achieving excellent target coverage.

*FFPE, formalin-fixed, paraffin-embedded samples.

Specifications

Required Products

Illumina Rapid RNA Prep with Exome 2.5 Enrichment kits includes the Illumina Rapid RNA Prep kit, the Twist Bioscience for Illumina Exome 2.5 Panel, hybridization reagents, and Illumina Purification Beads. Index sets are sold separately.

/ Results

Applications

Illumina Rapid RNA Prep with Exome 2.5 Enrichment enables preparation of sequencing-ready RNA-Seq libraries for whole-transcriptome analysis in as little as 6.5 hr with less than 1.5 hr hands-on time.

Example workflow

Project recommendations

Instrument Recommended number of samples Read length
MiSeq i100 Plus System

Samples per flow cell: 25M clusters per sample; 25M: 1, 50M: 2, 100M: 4

2 × 100 bp

NextSeq 2000 System

Samples per flow cell: 25M clusters per sample; P1: 4, P2: 16, P3: 48, P4: 72

2 × 100 bp

NovaSeq X System

Samples per flow cell: 25M clusters per sample; 1.5B: 60 (30/lane), 5B: 200 (25/lane), 10B: 400 (50/lane), 25B: 1000 (125/lane)

2 × 100 bp

Related applications and methods

Compare

Illumina Rapid RNA Prep with Exome 2.5 Enrichment Illumina RNA Prep with Enrichment TruSeq RNA Exome
Assay time 6.5 hr < 9 hr ~2 days
Automation capability Liquid handling robot(s) Liquid handling robot(s) Liquid handling robot(s)
Automation details Explore available automation methods Explore available automation methods
Description A fast and easy workflow for RNA exome analysis A reproducible, economical solution enabling targeted transcript detection and discovery of splice variants, gene fusions, and small nucleotide variants from a broad range of sample types and inputs including formalin-fixed, paraffin-embedded (FFPE) tissue sections and other low-quality samples Gives researchers a clear, comprehensive view of the coding transcriptome with precise strand information and a reduced sample input requirement.
Hands-on time < 1.5 hr < 2 hr ~11 hr
Input quantity 1–1000 ng RNA or 20–1000 ng FFPE RNA 10 ng RNA, 20 ng FFPE RNA, up to 1000 ng high-quality RNA 10 ng total RNA from fresh/frozen samples, or 20 ng total RNA from FFPE samples
Instruments NextSeq 2000 System, NextSeq 1000 System, NextSeq 550Dx in Research Mode, NovaSeq X System, NovaSeq 6000Dx in Research Mode, NovaSeq 6000 System, NovaSeq X Plus System, MiSeq i100 Plus System NextSeq 550 System, NextSeq 2000 System, NextSeq 1000 System, NextSeq 550Dx in Research Mode, NovaSeq X System, NovaSeq 6000Dx in Research Mode, NovaSeq 6000 System, NovaSeq X Plus System, MiSeq i100 Plus System, MiSeq i100 System NextSeq 550 System, NextSeq 2000 System, NextSeq 1000 System, NovaSeq X System, NextSeq 500 System, NovaSeq 6000 System, NovaSeq X Plus System
Mechanism of action Bead-linked transposome tagmentation, hybrid-capture enrichment Bead-linked transposome Biotinylated capture probes that target coding RNA. Does not require RNA with poly-A tails.
Method Exome sequencing, mRNA sequencing, Targeted RNA sequencing, Target enrichment mRNA sequencing, Targeted RNA sequencing, Target enrichment Exome sequencing, mRNA sequencing
Multiplexing Up to 384 Unique Dual Indexes (UDIs) Up to 384 Unique Dual Indexes (UDIs) Up to 24 single, 96 combinatorial (CD) dual
Nucleic acid type RNA RNA RNA
Specialized sample types Low-input samples, FFPE tissue Low-input samples, FFPE tissue Low-input samples, FFPE tissue
Species category Human Any species, Human, Virus Human
Strand specificity Non-stranded Non-stranded Stranded
Technology Sequencing Sequencing Sequencing
Variant class Single nucleotide polymorphisms (SNPs), Gene fusions, Transcript variants, Single nucleotide variants (SNVs) Single nucleotide polymorphisms (SNPs), Gene fusions, Transcript variants, Single nucleotide variants (SNVs), Insertions-deletions (indels) Single nucleotide polymorphisms (SNPs), Novel transcripts, Transcript variants

Figures

illumina-rapid-total-rna-exome-2.5-figure2

Efficient enrichment of coding transcripts

Mapping metrics for Illumina Rapid RNA Prep with Exome 2.5 Enrichment show over 98% on-target reads across a range of inputs: 1 ng, 10 ng, and 100 ng universal human reference (UHR) RNA and 25 ng each of FFPE RNA reference and fusion RNA mix commercial samples.

illumina-rapid-total-rna-exome-2.5-figure3

Equivalent enrichment metrics for long and short hybridization times

Percent aligned reads, padded unique read enrichment, median fragment length, duplicate rate, and mean target coverage for Illumina Rapid RNA Prep with Exome 2.5 Enrichment with hybridization durations of 90 min (orange) and 12 hr (blue) across a range of inputs: 1 ng, 10 ng, and 100 ng universal human reference (UHR) RNA. Picard enrichment metrics generated by DRAGEN Enrichment v4.3.13.

illumina-rapid-total-rna-exome-2.5-figure4

High reproducibility across high and low RNA inputs

Illumina Rapid RNA Prep with Exome 2.5 Enrichment shows high correlation of normalized gene counts between 1 ng and 100 ng universal human reference (UHR) RNA input amounts (R2 = 0.99). Transcripts per million (TPM) generated by DRAGEN RNA v4.4.

Resources

Learn more about on-bead tagmentation, a novel chemistry that integrates DNA extraction, fragmentation, library preparation, and library normalization into a streamlined workflow. This approach supports a wide range of input amounts, delivering flexibility across diverse sample types.

Library prep (1)

Illumina Rapid RNA Prep with Exome 2.5 Enrichment, (S) Tagmentation (96 samples)

20158825

Includes reagents for preparing and enriching 96 samples of Rapid RNA libraries (32 hybridization reactions with 3 libraries each), with Twist Bioscience for Illumina Exome 2.5 Panel, and Illumina Purification Beads. UD Indexes sold separately.

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Index adapters (4)

Illumina® DNA/RNA UD Indexes Set A, Tagmentation (96 Indexes, 96 Samples)

20091654

Illumina® DNA/RNA UD Indexes Set A, Tagmentation (96 Indexes, 96 Samples) Includes 96, 10 bp indexes sufficient for labeling 96 samples. Purchase library prep and enrichment reagents and probe panels separately.

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Illumina® DNA/RNA UD Indexes Set B, Tagmentation (96 Indexes, 96 Samples)

20091656

Illumina® DNA/RNA UD Indexes Set B, Tagmentation (96 Indexes, 96 Samples) Includes 96, 10 bp indexes sufficient for labeling 96 samples. Purchase library prep and enrichment reagents and probe panels separately.

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Illumina® DNA/RNA UD Indexes Set C, Tagmentation (96 Indexes, 96 Samples)

20091658

Illumina® DNA/RNA UD Indexes Set C, Tagmentation (96 Indexes, 96 Samples) Includes 96, 10 bp indexes sufficient for labeling 96 samples. Purchase library prep and enrichment reagents and probe panels separately.

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Illumina® DNA/RNA UD Indexes Set D, Tagmentation (96 Indexes, 96 Samples)

20091660

Illumina® DNA/RNA UD Indexes Set D, Tagmentation (96 Indexes, 96 Samples) Includes 96, 10 bp indexes sufficient for labeling 96 samples. Purchase library prep and enrichment reagents and probe panels separately.

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Accessory products (3)

Illumina Purification Beads 30 ml

20119944

Illumina Purification Beads 30 ml

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Illumina Purification Bead, 100mL

20060057

Includes one, 100-ml container of beads for library clean-up and size selection. Purchase library prep and enrichment reagents, probe panels, and indexes separately.

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Illumina Purification Bead, 400mL

20060058

Includes four, 100-ml container of beads for library clean-up and size selection. Purchase library prep and enrichment reagents, probe panels, and indexes separately.

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Selection summary

Product

Qty

Unit price

FAQ

Step 1— Illumina Rapid RNA Prep combines cDNA synthesis and on-bead tagmentation in a single-tube, 30-min reaction

Step 2—Index PCR and clean up

Step 3—Enrich for RNA exome with 90-min hybridization

Step 4—PCR amplify and clean up

Illumina Rapid RNA Prep with Exome 2.5 Enrichment is available in a 96-sample configuration. These kits are designed for 32 reactions of 3-plex enrichments.

Illumina Rapid RNA Prep with Exome 2.5 Enrichment includes the Twist Bioscience for Illumina Exome 2.5 Panel and has a 30% faster total assay time compared to Illumina RNA Prep with Enrichment.

/ Results

MiSeq i100 Series Reagent Kits

Reagents for the MiSeq i100 Series feature easy-to-use cartridges and multiple flow cell configurations for flexible sequencing options.

NextSeq 1000/2000 Reagents

Reagents for the NextSeq 1000/2000 System feature easy-to-use cartridges and multiple flow cell configurations for flexible sequencing options.

NovaSeq X Series Reagent Kits

Reagent kits for the NovaSeq X Series include a reagent cartridge, buffer cartridge, flow cell, lyo insert, pre-load buffer, and library tube strip.

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