Abstract：
:Rapidly evolving RNA viruses prevail within a host as a collection of closely related variants, referred to as viral quasispecies. Advances in high-throughput sequencing (HTS) technologies have facilitated the assessment of the genetic diversity of such virus populations at an unprecedented level of detail. However, analysis of HTS data from virus populations is challenging due to short, error-prone reads. In order to account for uncertainties originating from these limitations, several computational and statistical methods have been developed for studying the genetic heterogeneity of virus population. Here, we review methods for the analysis of HTS reads, including approaches to local diversity estimation and global haplotype reconstruction. Challenges posed by aligning reads, as well as the impact of reference biases on diversity estimates are also discussed. In addition, we address some of the experimental approaches designed to improve the biological signal-to-noise ratio. In the future, computational methods for the analysis of heterogeneous virus populations are likely to continue being complemented by technological developments.
journal_name
Virus Resjournal_title
Virus researchauthors
Posada-Cespedes S,Seifert D,Beerenwinkel Ndoi
10.1016/j.virusres.2016.09.016subject
Has Abstractpub_date
2017-07-15 00:00:00pages
17-32eissn
0168-1702issn
1872-7492pii
S0168-1702(16)30413-0journal_volume
239pub_type
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