Stimulation of ligninolytic peroxidase activity by nitrogen nutrients in the white rot fungus Bjerkandera sp. strain BOS55

E. E.J. Kaal, E. De Jong, J. A. Field

Research output: Contribution to journalArticle

110 Scopus citations

Abstract

Bjerkandera sp. strain BOS55, a newly isolated wild-type white rot fungus, produced lignin peroxidase (LiP) in nitrogen (N)-sufficient glucose-peptone medium, whereas no LiP was detectable in N-limited medium. The production of LiP was induced by the peptide-containing components of this medium and also by soy bean protein. Furthermore, the production of manganese-dependent peroxidase was stimulated by organic N sources, although lower production was also evident in N-limited medium. Further research showed that the induction of LiP depended on the combination of pH and the type of N source. An amino acid mixture and ammonium induced LiP only at either pH 6 or 7.3, respectively. Peptone induced LiP activity at all pH values tested; however, the highest activity was observed at pH 7.3. The results presented here indicate that Bjerkandera spp. are distinct from the model white rot fungus, Phanerochaete chrysosporium, which produces ligninolytic peroxidases in response to N limitation.

Original languageEnglish (US)
Pages (from-to)4031-4036
Number of pages6
JournalApplied and environmental microbiology
Volume59
Issue number12
StatePublished - Jan 1 1993
Externally publishedYes

ASJC Scopus subject areas

  • Biotechnology
  • Food Science
  • Applied Microbiology and Biotechnology
  • Ecology

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