{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T14:41:47Z","timestamp":1767192107291,"version":"3.37.3"},"reference-count":21,"publisher":"Oxford University Press (OUP)","issue":"12","funder":[{"name":"National Cancer Institute, National Institutes of Health","award":["HHSN261200800001E"],"award-info":[{"award-number":["HHSN261200800001E"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,6,13]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Motivation<\/jats:title><jats:p>The existence of quasispecies in the viral population causes difficulties for disease prevention and treatment. High-throughput sequencing provides opportunity to determine rare quasispecies and long sequencing reads covering full genomes reduce quasispecies determination to a clustering problem. The challenge is high similarity of quasispecies and high error rate of long sequencing reads.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We developed QuasiSeq using a novel signature-based self-tuning clustering method, SigClust, to profile viral mixtures with high accuracy and sensitivity. QuasiSeq can correctly identify quasispecies even using low-quality sequencing reads (accuracy &amp;lt;80%) and produce quasispecies sequences with high accuracy (\u226599.55%). Using high-quality circular consensus sequencing reads, QuasiSeq can produce quasispecies sequences with 100% accuracy. QuasiSeq has higher sensitivity and specificity than similar published software. Moreover, the requirement of the computational resource can be controlled by the size of the signature, which makes it possible to handle big sequencing data for rare quasispecies discovery. Furthermore, parallel computation is implemented to process the clusters and further reduce the runtime. Finally, we developed a web interface for the QuasiSeq workflow with simple parameter settings based on the quality of sequencing data, making it easy to use for users without advanced data science skills.<\/jats:p><\/jats:sec><jats:sec><jats:title>Availability and implementation<\/jats:title><jats:p>QuasiSeq is open source and freely available at https:\/\/github.com\/LHRI-Bioinformatics\/QuasiSeq. The current release (v1.0.0) is archived and available at https:\/\/zenodo.org\/badge\/latestdoi\/340494542.<\/jats:p><\/jats:sec><jats:sec><jats:title>Supplementary information<\/jats:title><jats:p>Supplementary data are available at Bioinformatics online.<\/jats:p><\/jats:sec>","DOI":"10.1093\/bioinformatics\/btac313","type":"journal-article","created":{"date-parts":[[2022,5,4]],"date-time":"2022-05-04T11:19:59Z","timestamp":1651663199000},"page":"3192-3199","source":"Crossref","is-referenced-by-count":5,"title":["QuasiSeq: profiling viral quasispecies via self-tuning spectral clustering with PacBio long sequencing reads"],"prefix":"10.1093","volume":"38","author":[{"given":"Xiaoli","family":"Jiao","sequence":"first","affiliation":[{"name":"Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research , Frederick, MD 21702, USA"}]},{"given":"Hiromi","family":"Imamichi","sequence":"additional","affiliation":[{"name":"Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases , Bethesda, MD 20892, USA"}]},{"given":"Brad T","family":"Sherman","sequence":"additional","affiliation":[{"name":"Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research , Frederick, MD 21702, USA"}]},{"given":"Rishub","family":"Nahar","sequence":"additional","affiliation":[{"name":"Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research , Frederick, MD 21702, USA"}]},{"given":"Robin L","family":"Dewar","sequence":"additional","affiliation":[{"name":"Virus Isolation and Serology Laboratory, Frederick National Laboratory for Cancer Research , Frederick, MD 21702, USA"}]},{"given":"H Clifford","family":"Lane","sequence":"additional","affiliation":[{"name":"Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases , Bethesda, MD 20892, USA"}]},{"given":"Tomozumi","family":"Imamichi","sequence":"additional","affiliation":[{"name":"Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research , Frederick, MD 21702, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1413-2763","authenticated-orcid":false,"given":"Weizhong","family":"Chang","sequence":"additional","affiliation":[{"name":"Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research , Frederick, MD 21702, USA"}]}],"member":"286","published-online":{"date-parts":[[2022,5,9]]},"reference":[{"key":"2023041408193082000_","doi-asserted-by":"crossref","first-page":"637","DOI":"10.1089\/cmb.2017.0249","article-title":"aBayesQR: a Bayesian method for reconstruction of viral populations characterized by low diversity","volume":"25","author":"Ahn","year":"2018","journal-title":"J. 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