Diterpenoids from Marine Ciliates: Chemical Polymorphism of Euplotes rariseta (Articolo in rivista)

Type
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  • Diterpenoids from Marine Ciliates: Chemical Polymorphism of Euplotes rariseta (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/ejoc.201200559 (literal)
Alternative label
  • Guella G; Callone E; Mancini I; Dini F; Di Giuseppe G (2012)
    Diterpenoids from Marine Ciliates: Chemical Polymorphism of Euplotes rariseta
    in European journal of organic chemistry (Print); Wiley-VCH Verlag Gmbh, Weinheim (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Guella G; Callone E; Mancini I; Dini F; Di Giuseppe G (literal)
Pagina inizio
  • 5208 (literal)
Pagina fine
  • 5216 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://onlinelibrary.wiley.com/doi/10.1002/ejoc.201200559/abstract (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 27 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Laboratory of Bioorganic Chemistry, Department of Physics, University of Trento, via Sommarive 14, 38123 Povo (TN), Italy; CNR, Institute of Biophysics, Unit at Trento, via alla Cascata 56/C, 38123 Povo (TN), Italy; Department of Biology, University of Pisa, via A. Volta 4, 56126 Pisa, Italy (literal)
Titolo
  • Diterpenoids from Marine Ciliates: Chemical Polymorphism of Euplotes rariseta (literal)
Abstract
  • A homogeneous, though multifaceted, secondary metabolic character emerges from a detailed investigation of secondary metabolites produced by the ciliate species Euplotes rariseta. In particular, from the strain NZ2, collected in New Zealand (Omaha Bay), two new irregular diterpenoids, omaholidenol (6) and omaholidenal (7), have been isolated which are the C5 homologues of rarisetenolide (1), the latter being previously found as the main secondary metabolite in different strains of the same species. On the other hand, from strain Ubt22, three new diterpenoids, ubatubaolidenal (8), ubatubadial A (9), and ubatubadial B (10), have been found. Finally, two new diterpenoids, epoxyfocardolide (11) and prenyl epoxyrarisetenolde (12), were isolated in low yields from the sister species Euplotes quinquecarinatus and Euplotes parkei, respectively. All these findings strongly suggest, in addition to a wide chemical polymorphism in E. rariseta populations, a close parallelism between the production pattern of secondary metabolites and the phylogenetic relationships of the species, confirming the chemotaxonomic utility of these compounds in the ciliate genus Euplotes. (literal)
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