Three novel metabolites from a bloom of the cyanobacterium Microcystis sp. |
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Authors: | Shiri Gesner-Apter |
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Affiliation: | Raymond and Beverly Sackler School of Chemistry and Faculty of Exact Sciences, Tel Aviv University, Ramat-Aviv, Tel-Aviv 69978, Israel |
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Abstract: | Three new metabolites, microphycin AL828, microguanidine AL772, and microginin AL584 and three known metabolites, anabaenopeptin F, oscillamide Y, and microcin SF608 were isolated from the extracts of a Microcystis sp. bloom collected in Alonim reservoir, Valley of Armagedon, Israel. The planar structure of the compounds was determined by homonuclear and inverse-heteronuclear 2D-NMR techniques as well as high-resolution mass spectrometry. The absolute configuration of the asymmetric centers of the amino acids was studied using Marfey's method for HPLC. |
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Keywords: | Cyanobacteria Microcystis Natural products |
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