April 21, 2020  |  

Long-Read Sequencing – A Powerful Tool in Viral Transcriptome Research.

Authors: Boldogkoi, Zsolt and Moldován, Norbert and Balázs, Zsolt and Snyder, Michael and Tombácz, Dóra

Long-read sequencing (LRS) has become increasingly popular due to its strengths in de novo assembly and in resolving complex DNA regions as well as in determining full-length RNA molecules. Two important LRS technologies have been developed during the past few years, including single-molecule, real-time sequencing by Pacific Biosciences, and nanopore sequencing by Oxford Nanopore Technologies. Although current LRS methods produce lower coverage, and are more error prone than short-read sequencing, these methods continue to be superior in identifying transcript isoforms including multispliced RNAs and transcript-length variants as well as overlapping transcripts and alternative polycistronic RNA molecules. Viruses have small, compact genomes and therefore these organisms are ideal subjects for transcriptome analysis with the relatively low-throughput LRS techniques. Recent LRS studies have multiplied the number of previously known transcripts and have revealed complex networks of transcriptional overlaps in the examined viruses.Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved.

Journal: Trends in microbiology
DOI: 10.1016/j.tim.2019.01.010
Year: 2019

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