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Nucleic Acids Res. 2014 Jan;42(Database issue):D1159-66. doi: 10.1093/nar/gkt1195. Epub 2013 Nov 27.

Recent updates and developments to plant genome size databases.

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Laboratori de Botànica-Unitat Associada CSIC, Facultat de Farmàcia, Universitat de Barcelona, 08028 Barcelona, Catalonia, Spain, Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AB, UK, Departament de Biologia Vegetal, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Catalonia, Spain, Department of Managerial Decision Sciences, IESE Business School, Universidad de Navarra, 08032 Barcelona, Catalonia, Spain, BioScripts - Centro de Investigación y Desarrollo de Recursos Científicos, 41012 Sevilla, Andalusia, Spain, Institut Botànic de Barcelona (IBB-CSIC-ICUB), 08038 Barcelona, Catalonia, Spain and Laboratoire d'Evolution et Systématique, Université Paris Sud, UMR8079 CNRS-UPS-AgroParis-Tech, 91405 Orsay Cedex, France.


Two plant genome size databases have been recently updated and/or extended: the Plant DNA C-values database (, and GSAD, the Genome Size in Asteraceae database ( While the first provides information on nuclear DNA contents across land plants and some algal groups, the second is focused on one of the largest and most economically important angiosperm families, Asteraceae. Genome size data have numerous applications: they can be used in comparative studies on genome evolution, or as a tool to appraise the cost of whole-genome sequencing programs. The growing interest in genome size and increasing rate of data accumulation has necessitated the continued update of these databases. Currently, the Plant DNA C-values database (Release 6.0, Dec. 2012) contains data for 8510 species, while GSAD has 1219 species (Release 2.0, June 2013), representing increases of 17 and 51%, respectively, in the number of species with genome size data, compared with previous releases. Here we provide overviews of the most recent releases of each database, and outline new features of GSAD. The latter include (i) a tool to visually compare genome size data between species, (ii) the option to export data and (iii) a webpage containing information about flow cytometry protocols.

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