Genes involved in hydrogen and sulfur metabolism in phototrophic sulfur bacteria

Christiane Dahl, G. Rákhely, A. S. Pott-Sperling, Barna Fodor, Mária Takács, András Tóth, Monika Kraeling, Krisztina Gyorfi, Ákos Kovács, Jennifer Tusz, K. Kovács

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The dsr genes and the hydSL operon are present as separate entities in phototrophic sulfur oxidizers of the genera Allochromatium, Marichromatium, Thiocapsa and Thiocystis and are organized similarly as in Allochromatium vinosum and Thiocapsa roseopersicina, respectively. The dsrA gene, encoding the α subunit of 'reverse' siroheme sulfite reductase, is also present in two species of green sulfur bacteria pointing to an important and universal role of this enzyme and probably other proteins encoded in the dsr locus in the oxidation of stored sulfur by phototrophic bacteria. The hupSL genes are uniformly present in the members of the Chromatiaceae family tested. The two genes between hydS and hydL encode a membrane-bound b-type cytochrome and a soluble iron-sulfur protein, respectively, resembling subunits of heterodisulfide reductase from methanogenic archaea. These genes are similar but not identical to dsrM and dsrK, indicating that the derived proteins have distinct functions, the former in hydrogen metabolism and the latter in oxidative sulfur metabolism. Copyright (C) 1999 Federation of European Microbiological Societies.

Original languageEnglish
Pages (from-to)317-324
Number of pages8
JournalFEMS Microbiology Letters
Volume180
Issue number2
DOIs
Publication statusPublished - Nov 15 1999

Fingerprint

Sulfur
Hydrogen
Bacteria
Genes
Thiocapsa
Thiocapsa roseopersicina
Oxidoreductases Acting on Sulfur Group Donors
Chromatiaceae
Chlorobi
Cytochromes a
Iron-Sulfur Proteins
Archaea
Operon
Proteins
Membranes
Enzymes

Keywords

  • Allochromatium vinosum
  • Heterodisulfide reductase
  • Heterologous hybridization
  • Hydrogenase
  • Purple sulfur bacterium
  • Sulfite reductase
  • Sulfur oxidation
  • Thiocapsa roseopersicina

ASJC Scopus subject areas

  • Genetics
  • Molecular Biology
  • Applied Microbiology and Biotechnology
  • Microbiology

Cite this

Genes involved in hydrogen and sulfur metabolism in phototrophic sulfur bacteria. / Dahl, Christiane; Rákhely, G.; Pott-Sperling, A. S.; Fodor, Barna; Takács, Mária; Tóth, András; Kraeling, Monika; Gyorfi, Krisztina; Kovács, Ákos; Tusz, Jennifer; Kovács, K.

In: FEMS Microbiology Letters, Vol. 180, No. 2, 15.11.1999, p. 317-324.

Research output: Contribution to journalArticle

Dahl, C, Rákhely, G, Pott-Sperling, AS, Fodor, B, Takács, M, Tóth, A, Kraeling, M, Gyorfi, K, Kovács, Á, Tusz, J & Kovács, K 1999, 'Genes involved in hydrogen and sulfur metabolism in phototrophic sulfur bacteria', FEMS Microbiology Letters, vol. 180, no. 2, pp. 317-324. https://doi.org/10.1016/S0378-1097(99)00500-5
Dahl, Christiane ; Rákhely, G. ; Pott-Sperling, A. S. ; Fodor, Barna ; Takács, Mária ; Tóth, András ; Kraeling, Monika ; Gyorfi, Krisztina ; Kovács, Ákos ; Tusz, Jennifer ; Kovács, K. / Genes involved in hydrogen and sulfur metabolism in phototrophic sulfur bacteria. In: FEMS Microbiology Letters. 1999 ; Vol. 180, No. 2. pp. 317-324.
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