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35 Years of Marine Natural Product Research in Sweden: Cool Molecules and Models from Cold Waters.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Medicinal Chemistry. (Pharmacognosy)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Medicinal Chemistry. (Pharmacognosy)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Medicinal Chemistry. (Pharmacognosy)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Medicinal Chemistry. (Pharmacognosy)
2017 (English)In: Progress in molecular and subcellular biology, ISSN 0079-6484, Vol. 55, p. 1-34Article in journal (Refereed) Published
Abstract [en]

Currents efforts in marine biodiscovery have essentially focused on temperate to tropical shallow water organisms. With more than 6000 species of marine plants and animals, the Kosterfjord area has the richest marine biodiversity in Swedish waters, but it remains understudied. The overall objective of our marine pharmacognosy research is to explore and reveal the pharmacological potential of organisms from this poorly explored region. More generally, we wish to understand aspects of structure-activity relationships of chemical interactions in cold-water marine environment (shallow and deep). Our strategy is based on ecologically guided search for compounds through studies of physiology and organism interactions coupled to identification of bioactive molecules guided by especially in vivo assays. The research programme originated in the beginning of the 1980s with a broad screening of Swedish marine organisms using both in vitro and in vivo assays, resulting in isolation and identification of several different bioactive molecules. Two congenerous cyclopeptides, i.e. barettin and 8,9-dihydrobarettin, were isolated from the deep-sea sponge Geodia barretti, and structurally elucidated, guided by their antifouling activity and their affinity to a selection of human serotonin receptors. To optimize the activity a number of analogues of barettin were synthezised and tested for antifouling activity. Within the EU project BlueGenics, two larger homologous peptides, barrettides A and B, were isolated from G. baretti. Also, metabolic fingerprinting combined with sponge systematics was used to further study deep-sea natural product diversity in the genus Geodia. Finally, the chemical property space model 'ChemGPS-NP' has been developed and used in our research group, enabling a more efficient use of obtained compounds and exploration of possible biological activities and targets. Another approach is the broad application of phylogenetic frameworks, which can be used in prediction of where-in which organisms-to search for novel molecules or better sources of known molecules in marine organisms. In a further perspective, the deeper understanding of evolution and development of life on Earth can also provide answers to why marine organisms produce specific molecules.

Place, publisher, year, edition, pages
2017. Vol. 55, p. 1-34
National Category
Medical and Health Sciences Pharmaceutical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-343348DOI: 10.1007/978-3-319-51284-6_1PubMedID: 28238034OAI: oai:DiVA.org:uu-343348DiVA, id: diva2:1185916
Available from: 2018-02-26 Created: 2018-02-26 Last updated: 2018-02-26

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