MS Dereplication for Rapid Discovery of Structurally New or Novel Natural Products

Jioji Tabudravu, Leonie Pellissier, Alan James Smith, Richard Kid, Edward J. Milton, Hai Deng, Rainer Ebel, Carmela Gissi, Bruce F. Milne, Gabriela Cimpan, Marcel Jaspars

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


In order to accelerate the isolation and characterisation of structurally new or novel natural products, it is crucial to develop efficient strategies that prioritise samples with greatest promise early in the workflow so that resources can be utilised in a more efficient and cost-effective manner. Two complementary approaches have been developed: One is based on targeted identification of known compounds held in a database based on high resolution MS and predicted LC retention time data [1]. The second is an MS metrics-based approach where the software algorithm calculates metrics for sample novelty, complexity, and diversity after interrogating databases of known compounds, and contaminants. These metrics are then used to prioritise samples for isolation and structure elucidation work [2]. Both dereplication approaches have been validated using natural product extracts resulting in the isolation and characterization of new or novel natural products.
Original languageEnglish
Pages (from-to)56-57
Number of pages2
JournalMarine Drugs
Issue number40
Publication statusPublished - 6 Jan 2020


  • Animals
  • Aquatic Organisms
  • Biological Products
  • Drug Discovery/trends
  • Europe
  • Humans


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