Involvement of a new enzyme, glyoxal oxidase, in extracellular H2O2 production by Phanerochaete chrysosporium.

@article{Kersten1987InvolvementOA,
  title={Involvement of a new enzyme, glyoxal oxidase, in extracellular H2O2 production by Phanerochaete chrysosporium.},
  author={Philip J. Kersten and T Kitchin Kirk},
  journal={Journal of bacteriology},
  year={1987},
  volume={169 5},
  pages={
          2195-201
        }
}
The importance of extracellular H2O2 in lignin degradation has become increasingly apparent with the recent discovery of H2O2-requiring ligninases produced by white-rot fungi. Here we describe a new H2O2-producing activity of Phanerochaete chrysosporium that involves extracellular oxidases able to use simple aldehyde, alpha-hydroxycarbonyl, or alpha-dicarbonyl compounds as substrates. The activity is expressed during secondary metabolism, when the ligninases are also expressed. Analytical… CONTINUE READING

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