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QIAseq FX Single Cell DNA Library Kit

Single-cell whole genome libraries with comprehensive coverage and high sequence fidelity

  • Whole genome libraries from single cells in under 4 hours
  • Maximize genome coverage, don’t miss important features
  • Best-in-class sequence fidelity reduces false-positives
  • Delivers PCR-free NGS libraries and amplified gDNA for followup testing
  • Analyze sequence and copy-number variations anywhere in the genome


The QIAseq FX Single Cell DNA Library kit provides a complete solution for whole genome sequencing from isolated single animal or bacterial cells or low amounts of genomic DNA. The kit includes all reagents required for cell lysis, whole genome amplification, enzymatic DNA fragmentation and PCR-free NGS library preparation. The kit provides comprehensive genome coverage and exceptional sequence fidelity, reducing false positives and minimizing drop-outs. The kit is ideally suited to the analysis of aneuploidy and copy number variation and sequence variation in single cells of for whole genome sequencing from rare samples.

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Cat No./ID: 180713
QIAseq FX Single Cell DNA Library Kit (24)
€1,076.00
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For 24 reactions: Buffers and reagents for cell lysis, whole genome amplification, and library preparation including DNA fragmentation, end-repair and adapter ligation. Includes a plate containing 24 barcoded adapters for use with Illumina instruments.

Cat No./ID: 180715
QIAseq FX Single Cell DNA Library Kit (96)
€3,983.00
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For 96 reactions: Buffers and reagents for cell lysis, whole genome amplification and library preparation including DNA fragmentation, end-repair and adapter ligation. Includes a plate containing 96 barcoded adapters for use with Illumina instruments.

The QIAseq FX Single Cell DNA Library Kit is intended for molecular biology applications. This product is not intended for the diagnosis, prevention, or treatment of a disease.

Product Details

Performance

The kit delivers exceptional genome coverage from single cells, including regions with high GC-content. In comparison to PCR-based methods of whole genome amplification, the multiple displacement annealing technology included in the QIAseq FX Single Cell DNA Library Kit eliminates PCR duplicates and minimizes GC-bias, ensuring high library diversity and maximizing genome coverage, even from single cells. Additionally, the high-fidelity MDA reaction introduces fewer sequencing errors, reducing false positives and thus enables more sensitive mutation detection. The low background and comprehensive coverage makes this kit an excellent option for the analysis of aneuploidy, copy number variations and mutations from single cells.

Principle

This kit relies on three key technologies to deliver high-diversity whole genome libraries from single cells. After cell lysis, a high-fidelity MDA reaction is used to amplify µg-amounts of gDNA using the high-fidelity phi29 polymerase. The amplified gDNA is then fragmented into short inserts using a highly random enzymatic DNA fragmentation reaction. The FX fragmentation does not require the entire sample of input gDNA, and the excess can be stored for later use or confirmatory testing. The fragmented gDNA is then packaged into an NGS-compatible library with a novel, single-tube library preparation. The entire process, beginning with an isolated single cell, is PCR-free and requires around 3.5 hours to complete.

Procedure

The QIAseq FX Single Cell DNA Library Kit is a complete cell-to-library solution that includes all of the reagents necessary to generate high-diversity whole genome libraries from single eukaryotic or bacterial cells or from limited amounts of intact gDNA. The kit contains reagents for the effective cell lysis of isolated single cells or small clusters of cells, for example from laser-capture microdissection platforms. After lysis, genomic DNA is amplified using an ultra-high fidelity multiple displacement annealing technology. Using viable cells as input, this procedure generates large amounts of amplified gDNA. This amplified gDNA is subjected to a random and efficient enzymatic fragmentation method, which cleaves the DNA into shorter fragments compatible with any Illumina NGS instrument. These fragments are then end-polished and subjected to a highly efficient ligation reaction with the included, single-use adapters. This effectively captures the fragmented DNA into a library, which can be purified using standard methods prior to sequencing. Additional PCR amplification of the library is unnecessary, and the entire procedure is PCR-free, eliminating the possibility of introducing PCR duplicates and maximizing library diversity.

Applications
  • Analysis of inter-cellular genome heterogeneity
  • Mutation detection
  • Copy number variation analysis
  • Aneuploidy analysis

Product Resources

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