For improved performance with BA.2 variants, spike-in primers can now be provided, for use in combination with VarSkip Short v2 primers. Please see this FAQ for more information, including primer sequences.
See below, including Figure 1 in the Product Information section, for information on VarSkip Short v2 performance with Omicron. Information on primer variant overlaps can be found here.
A bulk format (2,304 reactions) is also available. Please contact us for more information.
The NEBNext® ARTIC kits were developed in response to the critical need for reliable and accurate methods for SARS-CoV-2 sequencing. These kits, for long and short read sequencing, were based on the original work of the ARTIC Network (1). The ARTIC SARS-CoV-2 sequencing workflow is a multiplexed amplicon-based whole-viral-genome sequencing approach.
NEBNext ARTIC kits include primers and reagents for RT-PCR from SARS-CoV-2 gRNA and downstream library preparation for Illumina® and Oxford Nanopore Technologies® sequencing.
This kit includes two options for primers, including new VarSkip Short v2, for improved Omicron coverage:
An Express protocol option with fewer cleanups is available.
The NEBNext ARTIC SARS-CoV-2 FS Library Prep Kit (Illumina) incorporates enzymatic cDNA fragmentation and produces Illumina-compatible libraries with library inserts in the 150 bp range, compatible with 2 x 75 sequencing on Illumina instruments.
If larger inserts are preferred, the NEBNext ARTIC SARS-CoV-2 Library Prep Kit (Illumina) (NEB #E7650) generates libraries with ~400 bp inserts, compatible with 2 x 250 bp sequencing.
1. Josh Quick 2020. nCoV-2019 sequencing protocol v2 (GunIt). protocols.io https://dx.doi.org/10.17504/protocols.io.bdp7i5rn.
The ARTIC SARS-CoV-2 protocol from the ARTIC Network is a multiplexed amplicon approach covering the whole viral genome. The NEBNext ARTIC SARS-CoV-2 FS Library Prep Kit is based on this method and incorporates optimized and novel reagents.
A single RT protocol is used regardless of input amount (10-10,000 viral genome copies), and no normalization step is required ahead of targeted amplification.
This kit includes two options for primers, including new VarSkip Short v2, for improved Omicron coverage
Library preparation uses the NEBNext FS reagents and workflow, incorporating enzymatic cDNA fragmentation, and reagent volumes tailored to the ARTIC application. Note that adaptors and primers for library prep are purchased separately. The novel NEBNext Library PCR Master Mix allows use of the same number of PCR cycles to amplify all libraries, regardless of initial input amounts.
The Express protocol option removes the cleanup of cDNA amplicons and the cleanup of adaptor-ligated DNA. The Express protocol is recommended for inputs of ≥ 100 copies of the (SARS-CoV-2) viral genome.
The NEBNext ARTIC SARS-CoV-2 FS Library Prep Kit generates libraries with inserts ~150 bp. If longer inserts are preferred, the NEBNext ARTIC SARS-CoV-2 Library Prep Kit (NEB E7650) produces ~400 bp insert libraries, compatible with 2 x 250 Illumina sequencing. Note that this kit does not contain VarSkip v2 primers. For Oxford Nanopore Technologies® sequencing the NEBNext ARTIC SARS-CoV-2 Companion Kit (Oxford Nanopore Technologies) (NEB #E7660) can be used. If only the reagents for cDNA synthesis and targeted cDNA amplification are required, the NEBNext ARTIC SARS-CoV-2 RT-PCR Module (NEB #E7626) is available.
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