Higher contribution of globally rare bacterial taxa reflects environmental transitions across the surface ocean

This work was funded by the Spanish Ministry of Economy and Competitiveness (MINECO) through the Consolider-Ingenio program (Malaspina 2010 Expedition, ref. CSD2008-00077), with contributions from grant CTM2015-70340R, CTM2015-65720-R, CTM2015-69936-P and King Abdullah University of Science and Technology (KAUST). We thank all scientists and crew involved in the Malaspina expedition, particularly M. Pernice, G. Salazar, F.M. Cornejo, E. Borrull, C. Diez-Vives, E. Lara, M. and D. Vaque for help with DNA collection and extractions, and X. A. Alvarez-Salgado for providing environmental data. This is a contribution of Grup Consolidat de Recerca of the Catalan Government 2014SGR/1179. CRG was supported by a Juan de la Cierva (IJCI-2015-23505, MINECO, Spain) fellowship and RL by a Ramon y Cajal fellowship (RYC-2013-12554, MINECO, Spain). MS was supported by grant EcoRARE (CTM2014-60467-JIN), funded by the Spanish Government and the European Regional Development Fund(ERDF), REMEI (CTM2015-70340-Rf) funded by the Spanish Government, and a Viera y Clavijo contract funded by the ACIISI and the ULPGC. MM was supported by CONICYT (FONDAP-IDEAL 15150003). SGA was funded by BIOSENSOMICS through the ‘Convocatoria 2015 de ayudas Fundacion BBVA a investigadores y creadores culturales’. RRM is supported by CONICYT FONDECYT 11170748.