Diversity of coexisting Planktothrix (Cyanobacteria) chemotypes deduced by mass spectral analysis of microystins and other oligopeptides

  title={Diversity of coexisting Planktothrix (Cyanobacteria) chemotypes deduced by mass spectral analysis of microystins and other oligopeptides},
  author={Martin Welker and Guntram Christiansen and Hans von D{\"o}hren},
  journal={Archives of Microbiology},
Cyanobacteria are reported to produce secondary metabolites of which toxic and bioactive peptides are of scientific and public interest. Many peptides are synthesized by the non-ribosomal peptide synthesis pathway and their presence is a stable feature of individual clones. We isolated 18 clonal strains of Planktothrix from a single water sample from lake Maxsee near Berlin and analyzed them by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, HPLC, and PCR for their… CONTINUE READING


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