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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

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Record number 535897
Title Comparative genomics of the genus Desulfitobacterium
Author(s) Kruse, Thomas; Goris, Tobias; Maillard, Julien; Woyke, Tanja; Lechner, Ute; Vos, Willem de; Smidt, Hauke
Source FEMS Microbiology Ecology 93 (2017)12. - ISSN 0168-6496
Department(s) Microbiological Laboratory
Publication type Refereed Article in a scientific journal
Publication year 2017
Keyword(s) comparative genomics - Desulfitobacterium spp. - genome - metabolic potential - organohalide respiration - rdhA
Abstract The Desulfitobacterium genus comprises anaerobic Gram-positive bacteria, of which the majority are facultative organohalide respirers. We here present the genomes of eight strains of Desulfitobacterium spp., including five strains of Desulfitobacterium hafniense, one strain each from D. dichloroeliminans and D. metallireducens, and one strain that had not been assigned to any species prior to this study. The newly sequenced genomes were compared with four previously published desulfitobacterial genomes. The average genome sizes are 5.5, 4.3 and 3.4 Mbp for D. hafniense, D. dehalogenans and D. dichloroeliminans/metallireducens, respectively. The genomes encode up to seven reductive dehalogenases, the genomes of both D. hafniense DP7 and D. metallireducens 853-15AT did not encode any reductive dehalogenase. The latter result was a surprise as D. metallireducens 853-15AT has been reported to carry out organohalide respiration. Unlike reported for the pceABCT gene cluster, the other reductive dehalogenase gene clusters do not show any signs of being genetically mobile. All analyzed desulfitobacterial genomes encode a complete cobalamin synthesis pathway. A menaquinone synthesis pathway was found in all strains except D. dichloroeliminans DCA1T. The detailed analysis of the genome sequence of 12 desulfitobacteria from four different species confirmed that this genus has an extremely large metabolic repertoire.
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