Secondary metabolite profiling of Alternaria dauci, A. porri, A. solani, and A. tomatophila

Birgitte Andersen, Anita Dongo, Barry M. Pryor

Research output: Contribution to journalArticlepeer-review

78 Scopus citations


Chemotaxonomy (secondary metabolite profiling) has been shown to be of great value in the classification and differentiation in Ascomycota. However, few studies have investigated the use of metabolite production for classification and identification purposes of plant pathogenic Alternaria species. The purpose of the present study was to describe the methodology behind metabolite profiling in chemotaxonomy using A. dauci, A. porri, A. solani, and A. tomatophila strains as examples of the group. The results confirmed that A. dauci, A. solani, and A. tomatophila are three distinct species each with their own specific metabolite profiles, and that A. solani and A. tomatophila both produce altersolanol A, altertoxin I, and macrosporin. By using automated chemical image analysis and other multivariate statistic analyses, three sets of species-specific metabolites could be selected, one each for A. dauci, A. solani, and A. tomatophila.

Original languageEnglish (US)
Pages (from-to)241-250
Number of pages10
JournalMycological Research
Issue number2
StatePublished - Feb 2008


  • Chemical image analysis
  • Chemosystematics
  • Multivariate statistics
  • Taxonomy

ASJC Scopus subject areas

  • Biotechnology
  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Plant Science


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