June 1, 2021  |  

A simple segue from Sanger to high-throughput SMRT Sequencing with a M13 barcoding system

High-throughput NGS methods are increasingly utilized in the clinical genomics market. However, short-read sequencing data continues to remain challenged by mapping inaccuracies in low complexity regions or regions of high homology and may not provide adequate coverage within GC-rich regions of the genome. Thus, the use of Sanger sequencing remains popular in many clinical sequencing labs as the gold standard approach for orthogonal validation of variants and to interrogate missed regions poorly covered by second-generation sequencing. The use of Sanger sequencing can be less than ideal, as it can be costly for high volume assays and projects. Additionally, Sanger sequencing generates read lengths shorter than the region of interest, which limits its ability to accurately phase allelic variants. High-throughput SMRT Sequencing overcomes the challenges of both the first- and second-generation sequencing methods. PacBio’s long read capability allows sequencing of full-length amplicons


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