Metabolite production by species of Stemphylium

Kresten Jon Kromphardt Olsen*, Amy Rossman, Birgitte Andersen

*Corresponding author for this work

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Abstract

Morphology and phylogeny has been used to distinguish members of the plant pathogenic fungal genus Stemphylium. A third method for distinguishing species is by chemotaxonomy. The main goal of the present study was to investigate the chemical potential of Stemphylium via HPLC-UV-MS analysis, while also exploring the potential of chemotaxonomy as a robust identification method for Stemphylium. Several species were found to have species-specific metabolites, while other species were distinguishable by a broader metabolic profile rather than specific metabolites. Many previously described metabolites were found to be important for distinguishing species, while some unknown metabolites were also found to have important roles in distinguishing species of Stemphylium. This study is the first of its kind to investigate the chemical potential of Stemphylium across the whole genus.
Original languageEnglish
JournalFungal Biology
Volume122
Issue number2-3
Pages (from-to)172-181
Number of pages10
ISSN1878-6146
DOIs
Publication statusPublished - 2018

Keywords

  • Antibacterial metabolies
  • Chemotaxonomy
  • Host specific toxins
  • Morphology
  • Orobol
  • Phytoxins

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