Genome analyses of the carboxydotrophic sulfate-reducers Desulfotomaculum nigrificans and Desulfotomaculum carboxydivorans and reclassification of Desulfotomaculum caboxydivorans as a later synonym of Desulfotomaculum nigrificans

M. Visser, S.N. Parshina, J.I. Alves, D.Z. Sousa, I.A.C. Pereira, G. Muyzer, J. Kuever, A.V. Lebedinsky, J.J. Koehorst, P. Worm, C.M. Plugge, P.J. Schaap, L.A. Goodwin, A. Lapidus, N.C. Kyrpides, J.C. Detter, T. Woyke, P. Chain, K.W. Davenport, S. SpringM. Rohde, H.P. Klenk, A.J.M. Stams

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)

Abstract

Desulfotomaculum nigrificans and D. carboxydivorans are moderately thermophilic members of the polyphyletic spore-forming genus Desulfotomaculum in the family Peptococcaceae. They are phylogenetically very closely related and belong to ‘subgroup a’ of the Desulfotomaculum cluster 1. D. nigrificans and D. carboxydivorans have a similar growth substrate spectrum; they can grow with glucose and fructose as electron donors in the presence of sulfate. Additionally, both species are able to ferment fructose, although fermentation of glucose is only reported for D. carboxydivorans. D. nigrificans is able to grow with 20% carbon monoxide (CO) coupled to sulfate reduction, while D. carboxydivorans can grow at 100% CO with and without sulfate. Hydrogen is produced during growth with CO by D. carboxydivorans. Here we present a summary of the features of D. nigrificans and D. carboxydivorans together with the description of the complete genome sequencing and annotation of both strains. Moreover, we compared the genomes of both strains to reveal their differences. This comparison led us to propose a reclassification of D. carboxydivorans as a later heterotypic synonym of D. nigrificans
Original languageEnglish
Pages (from-to)655-675
JournalStandards in Genomic Sciences
Volume9
Issue number3
DOIs
Publication statusPublished - 2014

Keywords

  • reducing bacterium
  • sp nov.
  • sequence
  • growth
  • classification
  • hydrogenase
  • evolution
  • standard
  • archaea
  • system

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