Diversity of sulfate-reducing bacteria in oxic and anoxic regions of a microbial mat characterized by comparative analysis of dissimilatory sulfite reductase genes

D Minz, J L Flax, S J Green, G Muyzer, Y Cohen, Michael Wagner, B E Rittmann, D A Stahl

Publications: Contribution to journalArticlePeer Reviewed

Abstract

Sequence analysis of genes encoding dissimilatory sulfite reductase (DSR) was used to identify sulfate-reducing bacteria in a hypersaline microbial mat and to evaluate their distribution in relation to levels of oxygen. The most highly diverse DSR sequences, most related to those of the Desulfonema-like organisms within the delta-proteobacteria, were recovered from oxic regions of the mat. This observation extends those of previous studies by us and others associating Desulfonema-like organisms with oxic habitats.

Original languageEnglish
Pages (from-to)4666-4671
Number of pages6
JournalApplied and Environmental Microbiology
Volume65
Issue number10
DOIs
Publication statusPublished - Oct 1999
Externally publishedYes

Austrian Fields of Science 2012

  • 106022 Microbiology

Keywords

  • Anaerobiosis
  • Base Sequence
  • Cloning, Molecular
  • DNA, Bacterial
  • Deltaproteobacteria
  • Molecular Sequence Data
  • Oxidation-Reduction
  • Oxidoreductases Acting on Sulfur Group Donors
  • Phylogeny
  • Polymerase Chain Reaction
  • Sulfates
  • Water Microbiology

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