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Halymecins, new antimicroalgal substances produced by fungi isolated from marine algae
C Chen1, N Imamura, M Nishijima
1Marine Biotechnology Institute, Shimizu Laboratories, Shizuoka, Japan.
The Journal of Antibiotics
|October 1, 1996
Abstract:
Novel antimicroalgal substances halymecins A (1), B (2) and C (3) were isolated from the fermentation broth of a Fusarium sp. and halymecins D (4) and E (5) from an Acremonium sp. The structures of these halymecins, Fig. 1, were determined based on extensive 2D NMR studies as well as mass spectral data. These chemical structures are conjugates of di- and trihydroxydecanoic acid. Halymecin A showed antimicroalgal activity against Skeletonema costatum.