RT Journal Article
SR Electronic
T1 JAFFAL: Detecting fusion genes with long read transcriptome sequencing
JF bioRxiv
FD Cold Spring Harbor Laboratory
SP 2021.04.26.441398
DO 10.1101/2021.04.26.441398
A1 Nadia M. Davidson
A1 Ying Chen
A1 Georgina L. Ryland
A1 Piers Blombery
A1 Jonathan Göke
A1 Alicia Oshlack
YR 2021
UL http://biorxiv.org/content/early/2021/04/26/2021.04.26.441398.abstract
AB Massively parallel short read transcriptome sequencing has greatly expanded our knowledge of fusion genes which are drivers of tumor initiation and progression. In cancer, many fusions are also important diagnostic markers and targets for therapy. Long read transcriptome sequencing allows the full length of fusion transcripts to be discovered, however, this data has a high rate of errors and fusion finding algorithms designed for short reads do not work. While numerous fusion finding algorithms now exist for short read RNA sequencing data, methods to detect fusions using third generation or long read sequencing data are lacking.Here we present JAFFAL a method to identify fusions from long-read transcriptome sequencing. We validated JAFFAL using simulation, cell line and patient data from Nanopore and PacBio. We show that fusions can be accurately detected in long read data with JAFFAL, providing better accuracy than other long read fusion finders and within the range of a state-of-the-art method applied to short read data. By comparing Nanopore transcriptome sequencing protocols we find that numerous chimeric molecules are generated during cDNA library preparation that are absent when RNA is sequenced directly. Finally, we demonstrate that JAFFAL enables fusions to be detected at the level of individual cells, when applied to long read single cell sequencing. JAFFAL is open source and available as part of the JAFFA package at https://github.com/Oshlack/JAFFA/wiki.Competing Interest StatementThe authors have declared no competing interest.ONTOxford Nanopore TechnologiesALLacute lymphoblastic leukemiaAMLacute myeloid leukemiaSRASequence Read ArchiveCCLECancer Cell Line Encyclopedia