Gene expression of terminal oxidases in two marine bacterial strains exposed to nanomolar oxygen concentrations

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DOI

  • Xianzhe Gong
  • ,
  • Emilio Garcia-Robledo
  • ,
  • Marie Braad Lund
  • ,
  • Philipp Lehner, Graz Univ Technol, Graz University of Technology, Inst Analyt Chem & Food Chem
  • ,
  • Sergey M. Borisov, Graz Univ Technol, Graz University of Technology, Inst Analyt Chem & Food Chem
  • ,
  • Ingo Klimant, Graz Univ Technol, Graz University of Technology, Inst Analyt Chem & Food Chem
  • ,
  • Niels Peter Revsbech
  • Andreas Schramm

The final step of aerobic respiration is carried out by a terminal oxidase transporting electrons to oxygen (O-2). Prokaryotes harbor diverse terminal oxidases that differ in phylogenetic origin, structure, biochemical function, and affinity for O-2. Here we report on the expression of high-affinity (cytochrome cbb(3) oxidase), low-affinity (cytochrome aa(3) oxidase), and putative low-affinity (cyanide-insensitive oxidase (CIO)) terminal oxidases in the marine bacteria Idiomarina loihiensis L-2-TR and Marinobacter daepoensis SW-156 upon transition to very low O-2 concentrations (

Original languageEnglish
Article number072
JournalFEMS Microbiology Ecology
Volume94
Issue7
Number of pages8
ISSN0168-6496
DOIs
Publication statusPublished - Jul 2018

    Research areas

  • nanomolar oxygen, gene expression, terminal oxidase, RT-qPCR, marine bacteria, CYTOCHROME-C-OXIDASE, PSEUDOMONAS-AERUGINOSA, ESCHERICHIA-COLI, AEROBIC RESPIRATION, QUINOL OXIDASE, MINIMUM ZONES, IN-VIVO, LOW O-2, SP NOV., REDUCTASES

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