IVA: accurate de novo assembly of RNA virus genomes

Hunt, M., Gall, A., Ong, S. H., Brener, J., Ferns, B., Goulder, P., Nastouli, E., Keane, J. A., Kellam, P. and Otto, T. D. (2015) IVA: accurate de novo assembly of RNA virus genomes. Bioinformatics, 31(14), pp. 2374-2376. (doi: 10.1093/bioinformatics/btv120) (PMID:25725497) (PMCID:PMC4495290)

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Abstract

MOTIVATION: An accurate genome assembly from short read sequencing data is critical for downstream analysis, for example allowing investigation of variants within a sequenced population. However, assembling sequencing data from virus samples, especially RNA viruses, into a genome sequence is challenging due to the combination of viral population diversity and extremely uneven read depth caused by amplification bias in the inevitable reverse transcription and polymerase chain reaction amplification process of current methods. RESULTS: We developed a new de novo assembler called IVA (Iterative Virus Assembler) designed specifically for read pairs sequenced at highly variable depth from RNA virus samples. We tested IVA on datasets from 140 sequenced samples from human immunodeficiency virus-1 or influenza-virus-infected people and demonstrated that IVA outperforms all other virus de novo assemblers. AVAILABILITY AND IMPLEMENTATION: The software runs under Linux, has the GPLv3 licence and is freely available from http://sanger-pathogens.github.io/iva

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Otto, Dr Thomas
Authors: Hunt, M., Gall, A., Ong, S. H., Brener, J., Ferns, B., Goulder, P., Nastouli, E., Keane, J. A., Kellam, P., and Otto, T. D.
College/School:College of Medical Veterinary and Life Sciences > Institute of Infection Immunity and Inflammation
Journal Name:Bioinformatics
Publisher:Oxford University Press
ISSN:1367-4811
ISSN (Online):1460-2059
Published Online:28 February 2015
Copyright Holders:Copyright © 2015 The Authors
First Published:First published in Bioinformatics 31(14):2374-2376
Publisher Policy:Reproduced under a Creative Commons License

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