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Isolation and structure determination of two new hydrophobic microcystins from Microcystis sp. (CAWBG11) |
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| Authors: | Jonathan Puddick Michèle R Prinsep Susanna A Wood S Craig Cary David P Hamilton Alistair L Wilkins |
| Institution: | 1. Cawthron Institute, Private Bag 2, Nelson 7042, New Zealand;2. Chemistry Department, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand;3. Department of Biological Sciences, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand |
| Abstract: | Two new hydrophobic microcystins, microcystin-FA (1) and microcystin-WA (2), were isolated from the cyanobacterium Microcystis sp. (CAWBG11). The structures were deduced using one- and two-dimensional nuclear magnetic resonance spectroscopy and tandem mass spectrometry. The absolute stereochemistry of the amino acid residues in 1 and 2 was determined using the Advanced Marfey's method. |
| Keywords: | Microcystin Nuclear magnetic resonance spectroscopy Mass spectrometry Advanced Marfey's amino acid analysis |
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