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Multiple Roles of Diatom-Derived Oxylipins within Marine Environments and Their Potential Biotechnological Applications

Authors
  • Ruocco, Nadia1
  • Albarano, Luisa1, 2
  • Esposito, Roberta1, 2
  • Zupo, Valerio1
  • Costantini, Maria1
  • Ianora, Adrianna1
  • 1 (A.I.)
  • 2 Department of Biology, University of Naples Federico II, Complesso Universitario di Monte Sant’Angelo, Via Cinthia 21, 80126 Napoli, Italy
Type
Published Article
Journal
Marine Drugs
Publisher
MDPI AG
Publication Date
Jun 30, 2020
Volume
18
Issue
7
Identifiers
DOI: 10.3390/md18070342
PMID: 32629777
PMCID: PMC7401250
Source
PubMed Central
Keywords
License
Green

Abstract

The chemical ecology of marine diatoms has been the subject of several studies in the last decades, due to the discovery of oxylipins with multiple simultaneous functions including roles in chemical defence (antipredator, allelopathic and antibacterial compounds) and/or cell-to-cell signalling. Diatoms represent a fundamental compartment of marine ecosystems because they contribute to about 45% of global primary production even if they represent only 1% of the Earth’s photosynthetic biomass. The discovery that they produce several toxic metabolites deriving from the oxidation of polyunsaturated fatty acids, known as oxylipins, has changed our perspectives about secondary metabolites shaping plant–plant and plant–animal interactions in the oceans. More recently, their possible biotechnological potential has been evaluated, with promising results on their potential as anticancer compounds. Here, we focus on some recent findings in this field obtained in the last decade, investigating the role of diatom oxylipins in cell-to-cell communication and their negative impact on marine biota. Moreover, we also explore and discuss the possible biotechnological applications of diatom oxylipins.

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