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May 16, 2022  |  Gene therapy + editing

Application brochure — AAV Sequencing with HiFi Reads

With Single Molecule, Real-Time (SMRT®) sequencing on the Sequel® IIe systems, you can sequence AAV
genome populations to identify truncation, mutation, and host integration events. The AAV workflow from
PacBio® accommodates both scAAV and ssAAV constructs with easy on-instrument HiFi read generation


November 15, 2021  |  Products, procedures + protocols

Application brochure — What can you do with one SMRT Cell?

With PacBio Single Molecule, Real-Time (SMRT) Sequencing on the Sequel IIe System you can characterize whole genomes and transcriptomes with just one SMRT Cell. Explore our applications and pricing to get your sequencing project started.


October 29, 2021

Targeting Clinically Significant Dark Regions of the Human Genome with High-Accuracy, Long-Read Sequencing

There are many clinically important genes in “dark” regions of the human genome. These regions are characterized as dark due to a paucity of NGS coverage as a result of short-read sequencing or mapping difficulties. Low NGS sequencing yield can arise in these regions due to the presence of various repeat elements or biased base composition while inaccurate mapping can result from segmental duplications. Long-read sequencing coupled with an optimized, robust enrichment method has the potential to illuminate these dark regions. 


October 29, 2021

Resolving Complex Pathogenic Alleles using HiFi Long-Range Amplicon Data and a New Clustering Algorithm

Many genetic diseases are mapped to structurally complex loci. These regions contain highly similar paralogous alleles (>99% identity) that span kilobases within the human genome. Comprehensive screening for pathogenic variants is incomplete and labor intensive using short-reads or optical mapping. In contrast, long-range amplification and PacBio HiFi sequencing fully and directly resolve and phase a wide range of pathogenic variants without inference. To capitalize on the accuracy of HiFi data we designed a new amplicon analysis tool, pbAA. pbAA can rapidly deconvolve a mixture of haplotypes, enabling precise diplotyping, and disease allele classification. 


September 7, 2021

Full-Length Sequencing of CYP2D6 Locus with HiFi Reads Increasing Genotypes Accuracy 

The highly polymorphic CYP2D6 gene impacts the metabolism of 25% of the mostly prescribed drugs. Thus, accurate identification of variant CYP2D6 alleles in individuals is necessary for personalized medicine. PacBio HiFi sequencing produces long and accurate reads to identify variant regions. Here, we describe an end-to-end workflow for the characterization of full-length CYP2D6 by HiFi sequencing. 


September 7, 2021

Targeting Clinically Significant Dark Regions of the Human Genome with High-Accuracy, Long-Read Sequencing

There are many clinically important genes in “dark” regions of the human genome. These regions are characterized as dark due to a paucity of NGS coverage as a result of short-read sequencing or mapping difficulties. Low NGS sequencing yield can arise in these regions due to the presence of various repeat elements or biased base composition while inaccurate mapping can result from segmental duplications. Long-read sequencing coupled with an optimized, robust enrichment method has the potential to illuminate these dark regions. 


September 7, 2021

Resolving Complex Pathogenic Alleles using HiFi Long-Range Amplicon Data and a New Clustering Algorithm

Many genetic diseases are mapped to structurally complex loci. These regions contain highly similar paralogous alleles (>99% identity) that span kilobases within the human genome. Comprehensive screening for pathogenic variants is incomplete and labor intensive using short-reads or optical mapping. In contrast, long-range amplification and PacBio HiFi sequencing fully and directly resolve and phase a wide range of pathogenic variants without inference. To capitalize on the accuracy of HiFi data we designed a new amplicon analysis tool, pbAA. pbAA can rapidly deconvolve a mixture of haplotypes, enabling precise diplotyping, and disease allele classification. 


August 19, 2021  |  Sample + library preparation

Technical note — Preparing DNA for PacBio HiFi sequencing – Extraction and quality control

Single Molecule, Real-Time (SMRT) Sequencing uses the natural process of DNA replication to sequence long fragments of native DNA in order to produce highly accurate long reads, or HiFi reads. As such, starting with high-quality, high molecular weight (HMW) genomic DNA (gDNA) will result in longer libraries and better performance during sequencing. This technical note is intended to give recommendations, tips and tricks for the extraction of DNA, as well as assessing and preserving the quality and size of your DNA sample to be used for HiFi sequencing.


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