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Generation of novel landomycins M and O through targeted gene disruption

  • Andriy Luzhetskyy
  • , Lili Zhu
  • , Miranda Gibson
  • , Marta Fedoryshyn
  • , Clemens Dürr
  • , Carsten Hofmann
  • , Dirk Hoffmeister
  • , Bohdan Ostash
  • , Cynthia Mattingly
  • , Val Adams
  • , Victor Fedorenko
  • , Jürgen Rohr
  • , Andreas Bechthold

Research output: Contribution to journalArticlepeer-review

45 Citations (SciVal)

Abstract

Two genes from Streptomyces cyanogenous S136 that encode the reductase LanZ4 and the hydroxylase LanZ5, which are involved in landomycin A biosynthesis, were characterized by targeted gene inactivation. Analyses of the corresponding mutants as well as complementation experiments have allowed us to show that LanZ4 and LanZ5 are responsible for the unique C-11-hydroxylation that occurs during landomycin biosynthesis, Compounds accumulated by the lanZ4/Z5 mutants are the previously described landomycin F and the new landomycins M and O.

Original languageEnglish
Pages (from-to)675-678
Number of pages4
JournalChemBioChem
Volume6
Issue number4
DOIs
StatePublished - Apr 2005

Keywords

  • Antitumor agents
  • Biosynthesis
  • Glycosylation
  • Hydroxylation
  • Landomycin

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Organic Chemistry

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