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September 22, 2019

Single Molecule Sequencing: new outlooks for solving genome assembly and transcripts identification challenges

Authors: Boyer, Roxane

In this review, we introduce a novel sequencing technology, named Single Molecule Real Time sequencing. Also called Single Molecule Sequencing, as it do not requires any amplification, this new technology is able to pro- duce much longer reads than previous NGS technologies such as Illumina. This read size improvements, which can reach 150 fold, will solve many challenges caused by the actual NGS technologies. Short NGS reads, reach- ing a maximum size of 300 bp, make it hard to reconstitute a whole genome and are always leading to fragmented genome assembly. It is also difficult to correctly infer transcript quantification and identification when there is a high isoforms diversity. Despite their higher error rate, long reads have shown very promising result concerning these actual issues. We show that longer reads can produce less fragmented assembly, with a better quality, but also sequence from start to end mRNA, making it much more easier to infer correct transcript quantification, and even allow new intron structure and so new isoforms discovery.

Journal: ACM Transactions on Graphics
DOI: NA
Year: 2016

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