{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T21:31:39Z","timestamp":1774474299693,"version":"3.50.1"},"reference-count":29,"publisher":"Oxford University Press (OUP)","issue":"Supplement_1","license":[{"start":{"date-parts":[[2021,7,12]],"date-time":"2021-07-12T00:00:00Z","timestamp":1626048000000},"content-version":"vor","delay-in-days":11,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000879","name":"Alfred P. Sloan Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000879","id-type":"DOI","asserted-by":"publisher"}]},{"name":"National Institutes of Health New Innovator Award","award":["DP2GM137413"],"award-info":[{"award-number":["DP2GM137413"]}]},{"name":"U.S. Department of Energy Award","award":["DE-SC0021340"],"award-info":[{"award-number":["DE-SC0021340"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,8,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Motivation<\/jats:title><jats:p>Untargeted mass spectrometry experiments enable the profiling of metabolites in complex biological samples. The collected fragmentation spectra are the metabolite\u2019s fingerprints that are used for molecule identification and discovery. Two main mass spectrometry strategies exist for the collection of fragmentation spectra: data-dependent acquisition (DDA) and data-independent acquisition (DIA). In the DIA strategy, all the metabolites ions in predefined mass-to-charge ratio ranges are co-isolated and co-fragmented, resulting in multiplexed fragmentation spectra that are challenging to annotate. In contrast, in the DDA strategy, fragmentation spectra are dynamically and specifically collected for the most abundant ions observed, causing redundancy and sub-optimal fragmentation spectra collection. Yet, DDA results in less multiplexed fragmentation spectra that can be readily annotated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We introduce the MS2Planner workflow, an Iterative Optimized Data Acquisition strategy that optimizes the number of high-quality fragmentation spectra over multiple experimental acquisitions using topological sorting. Our results showed that MS2Planner increases the annotation rate by 38.6% and is 62.5% more sensitive and 9.4% more specific compared to DDA.<\/jats:p><\/jats:sec><jats:sec><jats:title>Availability and implementation<\/jats:title><jats:p>MS2Planner code is available at https:\/\/github.com\/mohimanilab\/MS2Planner. The generation of the inclusion list from MS2Planner was performed with python scripts available at https:\/\/github.com\/lfnothias\/IODA_MS.<\/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\/btab279","type":"journal-article","created":{"date-parts":[[2021,4,26]],"date-time":"2021-04-26T13:24:43Z","timestamp":1619443483000},"page":"i231-i236","source":"Crossref","is-referenced-by-count":23,"title":["MS2Planner: improved fragmentation spectra coverage in untargeted mass spectrometry by iterative optimized data acquisition"],"prefix":"10.1093","volume":"37","author":[{"given":"Zeyuan","family":"Zuo","sequence":"first","affiliation":[{"name":"Computational Biology Department, Carnegie Mellon University , Pittsburgh, PA 15213, USA"}]},{"given":"Liu","family":"Cao","sequence":"additional","affiliation":[{"name":"Computational Biology Department, Carnegie Mellon University , Pittsburgh, PA 15213, USA"}]},{"given":"Louis-F\u00e9lix","family":"Nothia","sequence":"additional","affiliation":[{"name":"Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego , La Jolla, CA 92093, USA"}]},{"given":"Hosein","family":"Mohimani","sequence":"additional","affiliation":[{"name":"Computational Biology Department, Carnegie Mellon University , Pittsburgh, PA 15213, USA"}]}],"member":"286","published-online":{"date-parts":[[2021,7,12]]},"reference":[{"key":"2023062410175598700_btab279-B1","doi-asserted-by":"crossref","first-page":"175","DOI":"10.1080\/00031305.1992.10475879","article-title":"An introduction to kernel and nearest-neighbor nonparametric regression","volume":"46","author":"Altman","year":"1992","journal-title":"Am. 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