Occurrence, phylogeny, structure, and function of catalases and peroxidases in cyanobacteria.

@article{Bernroitner2009OccurrencePS,
  title={Occurrence, phylogeny, structure, and function of catalases and peroxidases in cyanobacteria.},
  author={Margit Bernroitner and Marcel Z{\'a}mock{\'y} and Paul G Furtm{\"u}ller and G{\"u}nter A. Peschek and Christian Obinger},
  journal={Journal of experimental botany},
  year={2009},
  volume={60 2},
  pages={423-40}
}
Cyanobacteria have evolved approximately 3x10(9) years ago from ancient phototrophic microorganisms that already lived on our planet Earth. By opening the era of an aerobic, oxygen-containing biosphere, they are the true pacemakers of geological and biological evolution. Cyanobacteria must have been among the first organisms to elaborate mechanisms for the detoxification of partially reduced oxygen species including (hydrogen) peroxide. Since there is still an suprising lack of knowledge on the… CONTINUE READING

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Since there is still an suprising lack of knowledge on the type , role , and mechanism(s ) of peroxide - degrading enzymes in these bacteria , all 44 fully or partially sequenced genomes for haem and non - haem catalases and peroxidases have been critically analysed based on well known structure - function relationships of the corresponding oxidoreductases .
Since there is still an suprising lack of knowledge on the type , role , and mechanism(s ) of peroxide - degrading enzymes in these bacteria , all 44 fully or partially sequenced genomes for haem and non - haem catalases and peroxidases have been critically analysed based on well known structure - function relationships of the corresponding oxidoreductases .
Genes encoding putative ( primordial ) haem peroxidases ( with homology to corresponding mammalian enzymes ) and vanadium - containing iodoperoxidases are found only in a few species , whereas genes encoding peroxiredoxins ( 1-Cys , 2-Cys , type II , and Q - type ) are ubiquitous in cyanobacteria .
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