myNGS Guides
myNGS Guides Custom
Robust, affordable guide RNA libraries of up to thousands of unique sequences for CRISPR-driven targeted sequencing.

Like probe-based hybridization capture technology (e.g., myBaits®), the CRISPR/Cas system can be used for targeted high-throughput sequencing. Whichever the application, the key component of all CRISPR/Cas-driven techniques is a collection (library) of sequence-targeting guide RNAs (gRNAs). When combined with Cas enzymes, these gRNA libraries drive complex sequence-specific effects in a simple, single reaction.

Applications

  • Depletion of abundant unwanted sequences from NGS libraries (e.g., CARM, DASH, MAD-DASH)
  • Enrichment of long genomic fragments for downstream use (e.g., CISMR, CATCH, RGEN-R/TdT)
  • Ultra-sensitive and accurate short fragment targeted sequencing (e.g., CRISPR-DS)
  • Accurate targeted sequencing of repeat-rich regions (e.g., STR-Seq, Amp-free for SMRT sequencing)
  • Capture of gDNA and its associated proteins using the dCas9 mutant (e.g., in vitro enChip, RGEN-D)
Configuration

We can typically accommodate standard sgRNA configurations, depending on sequence composition, complexity, and overall oligo structure. Contact us to determine the feasibility of synthesis for your custom guide RNA sequences.

Overview

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Custom Guide RNA Pools for Targeted NGS

Thanks to our ultra-efficient parallelized nucleic acid synthesis technology, Arbor is uniquely equipped to provide robust, affordable, expert-designed gRNA libraries of up to thousands of unique sequences, specifically for CRISPR-powered targeted mtDNA depletion in your species of choice. As with all of our genomics and synthetic biology products, we offer complimentary expert-design consultation to aid in achieving your project goals. Contact us for a custom guide RNA pool powered by Arbor’s myNGS Guides.

Like probe-based hybridization capture technology (e.g., myBaits®), the CRISPR/Cas system can be used for targeted high-throughput sequencing. In addition to standard targeted resequencing and rare variant detection, CRISPR/Cas-driven targeted sequencing is especially useful for resolving genomic regions too complex for short-molecule sequence capture. The several reported techniques are extremely versatile, and have been coupled with both short-read Illumina and long-read PacBio and Oxford Nanopore platforms.

CRISPR/Cas-driven targeted sequencing generally follows two basic procedural paradigms, enrichment or depletion. Enrichment techniques enable site-specific adapter ligation after sequestration from background molecules. Depletion techniques use the system’s site-specific nuclease activity to sever unwanted genomic sequences and render them non-sequenceable.

Whichever the application, the key component of all CRISPR/Cas-driven techniques is a collection (library) of sequence-targeting guide RNAs (gRNAs). When combined with Cas enzymes, these gRNA libraries drive complex sequence-specific effects in a simple, single reaction.

Thanks to our ultra-efficient parallelized nucleic acid synthesis technology, Arbor is uniquely equipped to provide robust, affordable, expert-designed gRNA libraries of up to thousands of unique sequences, perfect for CRISPR/Cas-driven targeted sequencing. As with all of our genomics and synthetic biology products, we offer complimentary expert design consultation to help you achieve your goals.

Resources

Poster

Poster - PAGXXVII - CRISPR/Cas Targeted Sequencing

 

Publications using CRISPR/Cas-Driven Targeted Sequencing

Hardigan, A.A. et al. (2018). CRISPR/Cas9-targeted removal of unwanted sequences from small-RNA sequencing libraries. bioRxiv.

Nachmanson, D. et a. (2018). Targeted genome fragmentation with CRISPR/Cas9 enables fast and efficient enrichment of small genomic regions and ultra-accurate sequencing with low DNA input (CRISPR-DS). Genome Research.

Gabrieli, T. et al. (2018). Selective nanopore sequencing of human BRCA1 by Cas9-assisted targeting of chromosome segments (CATCH). Nucleic Acid Research.

Slesarev, A. et al. (2018). CRISPR/Cas9 Targeted Capture Of Mammalian Genomic Regions For Characterization By NGS. bioRxiv.

Montefiori, L. et al. (2017). Reducing mitochondrial reads in ATAC-seq using CRISPR/Cas9. Scientific Reports.

Bennett-Baker, P.E. & Mueller, JL. (2017). CRISPR-mediated isolation of specific megabase segments of genomic DNA. Nucleic Acid Research.

Shin, GW. et al. (2017). CRISPR–Cas9-targeted fragmentation and selective sequencing enable massively parallel microsatellite analysis. Nature Communications.

Tsai, YC. et al. (2017). Amplification-free, CRISPR-Cas9 Targeted Enrichment and SMRT Sequencing of Repeat-Expansion Disease Causative Genomic Regions. bioRxiv.

Fujita, T. et al. (2016). Efficient sequence‐specific isolation of DNA fragments and chromatin by in vitro enChIP technology using recombinant CRISPR ribonucleoproteins. Genes to Cells

Gu, W. et al. (2016). Depletion of Abundant Sequences by Hybridization (DASH): using Cas9 to remove unwanted high-abundance species in sequencing libraries and molecular counting applications. Genome Biology.

Wu, J. et al. (2016). The landscape of accessible chromatin in mammalian preimplantation embryos. Nature.

Jiang, W. et al. (2015). Cas9-Assisted Targeting of CHromosome segments CATCH enables one-step targeted cloning of large gene clusters. Nature Communications.

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