Tripathi, A. and Puddick, J. and Prinsep, M. R. and Rottmann, M. and Tan, L. T.. (2010) Lagunamides A and B : cytotoxic and antimalarial cyclodepsipeptides from the marine cyanobacterium Lyngbya majuscula. Journal of natural products, Vol. 73, H. 11. pp. 1810-1814.
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Official URL: http://edoc.unibas.ch/dok/A6002260
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Abstract
Lagunamides A (1) and B (2) are new cyclic depsipeptides isolated from the marine cyanobacterium Lyngbya majuscula obtained from Pulau Hantu Besar, Singapore. The planar structural characterization of these molecules was achieved by extensive spectroscopic analysis, including 2D NMR experiments. In addition to Marfey's method and (3)J(H-H) coupling constant values, a modified method based on Mosher's reagents and analysis using LC-MS was deployed for the determination of the absolute configuration. Lagunamides A and B displayed significant antimalarial properties, with IC(50) values of 0.19 and 0.91 muM, respectively, when tested against Plasmodium falciparum. Lagunamides A and B also possessed potent cytotoxic activity against P388 murine leukemia cell lines, with IC(50) values of 6.4 and 20.5 nM, respectively. Furthermore, these cyanobacterial compounds exhibited moderate antiswarming activities when tested against Pseudomonas aeruginosa PA01
| Faculties and Departments: | 09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Medical Parasitology and Infection Biology (MPI) > Parasite Chemotherapy (Mäser) |
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| UniBasel Contributors: | Rottmann, Matthias |
| Item Type: | Article, refereed |
| Article Subtype: | Research Article |
| Publisher: | American Society of Pharmacognosy |
| ISSN: | 0163-3864 |
| Note: | Publication type according to Uni Basel Research Database: Journal article |
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| Last Modified: | 11 Oct 2012 15:32 |
| Deposited On: | 11 Oct 2012 15:28 |
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