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      The genus Pseudovibrio contains metabolically versatile bacteria adapted for symbiosis

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          Abstract

          The majority of strains belonging to the genus Pseudovibrio have been isolated from marine invertebrates such as tunicates, corals and particularly sponges, but the physiology of these bacteria is poorly understood. In this study, we analyse for the first time the genomes of two Pseudovibrio strains – FO-BEG1 and JE062. The strain FO-BEG1 is a required symbiont of a cultivated Beggiatoa strain, a sulfide-oxidizing, autotrophic bacterium, which was initially isolated from a coral. Strain JE062 was isolated from a sponge. The presented data show that both strains are generalistic bacteria capable of importing and oxidizing a wide range of organic and inorganic compounds to meet their carbon, nitrogen, phosphorous and energy requirements under both, oxic and anoxic conditions. Several physiological traits encoded in the analysed genomes were verified in laboratory experiments with both isolates. Besides the versatile metabolic abilities of both Pseudovibrio strains, our study reveals a number of open reading frames and gene clusters in the genomes that seem to be involved in symbiont–host interactions. Both Pseudovibrio strains have the genomic potential to attach to host cells, interact with the eukaryotic cell machinery, produce secondary metabolites and supply the host with cofactors.

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                Author and article information

                Journal
                Environ Microbiol
                Environ. Microbiol
                emi
                Environmental Microbiology
                Blackwell Publishing Ltd
                1462-2912
                1462-2920
                July 2013
                18 April 2013
                : 15
                : 7
                : 2095-2113
                Affiliations
                [1 ]Max Planck Institute for Marine Microbiology Ecophysiology Group Celsiusstr. 1, 28359, Bremen, Germany
                [2 ]Max Planck Institute for Marine Microbiology Microbial Genomics and Bioinformatics Research Group Celsiusstr. 1, 28359, Bremen, Germany
                [3 ]University of Bonn Kekulé-Institute of Organic Chemistry and Biochemistry Gerhard-Domagk Str. 1, 53121, Bonn, Germany
                [4 ]Leibniz-Institute for Baltic Sea Research Warnemuende (IOW) Section Biological Oceanography Seestrasse 15, 18119, Rostock, Germany
                [5 ]ETH Zurich Institute of Microbiology Wolfgang-Pauli-Str. 10, 8093, Zurich, Switzerland
                Author notes
                * For correspondence. E-mail vbondare@ 123456mpi-bremen.de ; Tel. (+49) 421 2028 748; Fax (+49) 421 2028 790;
                ** E-mail heide.schulz-vogt@ 123456io-warnemuende.de ; Tel. (+49) 381 5197 200; Fax (+49) 381 5197 211.
                Article
                10.1111/1462-2920.12123
                3806328
                23601235
                acc0729c-eb1d-48dd-b945-947ea61bb202
                Copyright © 2013 John Wiley & Sons Ltd

                Re-use of this article is permitted in accordance with the Creative Commons Deed, Attribution 2.5, which does not permit commercial exploitation.

                History
                : 14 December 2011
                : 08 March 2013
                : 19 March 2013
                Categories
                Research Articles

                Microbiology & Virology
                Microbiology & Virology

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