{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T21:17:22Z","timestamp":1775251042381,"version":"3.50.1"},"reference-count":11,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2017,10,30]],"date-time":"2017-10-30T00:00:00Z","timestamp":1509321600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/about_us\/legal\/notices"}],"funder":[{"DOI":"10.13039\/501100000038","name":"Natural Sciences and Engineering Research Council of Canada","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000038","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000038","name":"NSERC","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000038","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005247","name":"UBC","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100005247","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,3,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Motivation<\/jats:title>\n                  <jats:p>Biodiversity databases now comprise hundreds of thousands of sequences and trait records. For example, the Open Tree of Life includes over 1 491 000 metazoan and over 300 000 bacterial taxa. These data provide unique opportunities for analysis of phylogenetic trait distribution and reconstruction of ancestral biodiversity. However, existing tools for comparative phylogenetics scale poorly to such large trees, to the point of being almost unusable.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Here we present a new R package, named \u2018castor\u2019, for comparative phylogenetics on large trees comprising millions of tips. On large trees castor is often 100\u20131000 times faster than existing tools.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Availability and implementation<\/jats:title>\n                  <jats:p>The castor source code, compiled binaries, documentation and usage examples are freely available at the Comprehensive R Archive Network (CRAN).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Supplementary information<\/jats:title>\n                  <jats:p>Supplementary data are available at Bioinformatics online.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/bioinformatics\/btx701","type":"journal-article","created":{"date-parts":[[2017,10,28]],"date-time":"2017-10-28T11:09:10Z","timestamp":1509188950000},"page":"1053-1055","source":"Crossref","is-referenced-by-count":510,"title":["Efficient comparative phylogenetics on large trees"],"prefix":"10.1093","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9216-5619","authenticated-orcid":false,"given":"Stilianos","family":"Louca","sequence":"first","affiliation":[{"name":"Biodiversity Research Centre, University of British Columbia, Vancouver, BC, Canada"},{"name":"Department of Zoology, University of British Columbia, Vancouver, BC, Canada"}]},{"given":"Michael","family":"Doebeli","sequence":"additional","affiliation":[{"name":"Biodiversity Research Centre, University of British Columbia, Vancouver, BC, Canada"},{"name":"Department of Zoology, University of British Columbia, Vancouver, BC, Canada"},{"name":"Department of Mathematics, University of British Columbia, Vancouver, BC, Canada"}]}],"member":"286","published-online":{"date-parts":[[2017,10,30]]},"reference":[{"key":"2023012712470484900_btx701-B1","doi-asserted-by":"crossref","first-page":"1886","DOI":"10.1093\/bioinformatics\/btx063","article-title":"Phyx: phylogenetic tools for unix","volume":"33","author":"Brown","year":"2017","journal-title":"Bioinformatics"},{"key":"2023012712470484900_btx701-B2","doi-asserted-by":"crossref","first-page":"1084","DOI":"10.1111\/j.2041-210X.2012.00234.x","article-title":"Diversitree: comparative phylogenetic analyses of diversification in r","volume":"3","author":"FitzJohn","year":"2012","journal-title":"Methods Ecol. 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Biol"},{"key":"2023012712470484900_btx701-B6","doi-asserted-by":"crossref","first-page":"289","DOI":"10.1093\/bioinformatics\/btg412","article-title":"APE: analyses of phylogenetics and evolution in R language","volume":"20","author":"Paradis","year":"2004","journal-title":"Bioinformatics"},{"key":"2023012712470484900_btx701-B7","doi-asserted-by":"crossref","first-page":"D590","DOI":"10.1093\/nar\/gks1219","article-title":"The SILVA ribosomal RNA gene database project: improved data processing and web-based tools","volume":"41","author":"Quast","year":"2013","journal-title":"Nucleic Acids Res"},{"key":"2023012712470484900_btx701-B8","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1111\/j.2041-210X.2011.00169.x","article-title":"phytools: an r package for phylogenetic comparative biology (and other things)","volume":"3","author":"Revell","year":"2012","journal-title":"Methods Ecol. 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