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  • Hao Wang, David P. Fewer, Liisa Holm, Leo Rouhiainen, Kaarina Sivonen
  • Medicine, Biology
  • Proceedings of the National Academy of Sciences
  • 2014 (First Publication: 9 June 2014)
  • Significance This study demonstrates the widespread distribution of nonribosomal peptide synthetase and modular polyketide synthase biosynthetic pathways across the three domains of life, byExpand
  • Ilona Oksanen, Jouni Jokela, David P. Fewer, Matti Wahlsten, Jouko Rikkinen, Kaarina Sivonen
  • Medicine, Biology
  • Applied and Environmental Microbiology
  • 2004 (First Publication: 1 October 2004)
  • ABSTRACT The production of hepatotoxic cyclic heptapeptides, microcystins, is almost exclusively reported from planktonic cyanobacteria. Here we show that a terrestrial cyanobacterium Nostoc sp.Expand
  • Ulla Kaasalainen, David P. Fewer, Jouni Jokela, Matti Wahlsten, Kaarina Sivonen, Jouko Rikkinen
  • Medicine, Biology
  • Proceedings of the National Academy of Sciences
  • 2012 (First Publication: 26 March 2012)
  • Lichens are symbiotic associations between fungi and photosynthetic algae or cyanobacteria. Microcystins are potent toxins that are responsible for the poisoning of both humans and animals. TheseExpand