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Lyngbya majuscula
Lyngbya majuscula at Réunion
Scientific classification
Domain:	Bacteria
Phylum:	Cyanobacteria
Class:	Cyanophyceae
Order:	Oscillatoriales
Family:	Oscillatoriaceae
Genus:	Lyngbya
Species:	L. majuscula
Binomial name
Lyngbya majuscula Harvey ex Gomont

Lyngbya majuscula is a species of filamentous cyanobacteria in the genus Lyngbya. It is named after the Dane Hans Christian Lyngbye.

As a result of recent genetic analyses, several new genera were erected from the genus Lyngbya: e.g., Moorea, Limnoraphis, Okeania, Microseira, and Dapis. Several specimens identified as L. majuscula and collected in marine tropical regions are now classified as members of the genera Okeania and Moorea.

L. majuscula is the cause of seaweed dermatitis.

Chemical constituents

Almost 300 different secondary metabolites have been isolated from specimens identified as L. majuscula. However, most of these studies lack a molecular identification of the samples. The toxins antillatoxin and kalkitoxin and the lipopeptide dragomabin have been isolated from L. majuscula. Serinolamide A is a cannabinoid structurally related to anandamide that has been found to occur in Lyngbya majuscula.

References

1. Engene, N.; Rottacker, E. C.; Kastovsky, J.; Byrum, T.; Choi, H.; Ellisman, M. H.; Komarek, J.; Gerwick, W. H. (2011). "Moorea producens gen. nov., sp. nov. and Moorea bouillonii comb. nov., tropical marine cyanobacteria rich in bioactive secondary metabolites". Int. J. Syst. Evol. Microbiol. 62 (Pt 5): 1171–1178. doi:10.1099/ijs.0.033761-0. PMC 3542135. PMID 21724952.
2. Komarek, Jiri; Zapomelova, Eliska; Smarda, Jan; Kopecky, Jiri; Rejmankova, Eliska; Woodhouse, Jason; Neilan, Brett A.; Komarkova, Jaroslava (2013). "Polyphasic evaluation of Limnoraphis robusta, a water-bloom forming cyanobacterium from Lake Atitlan, Guatemala, with a description of Limnoraphis gen. nov". Fottea. 13 (1): 39–52. doi:10.5507/fot.2013.004.
3. Engene, Niclas; Paul, Valerie J.; Byrum, Tara; Gerwick, William H.; Thor, Andrea; Ellisman, Mark H.; De Clerck, O. (2013). "Five chemically rich species of tropical marine cyanobacteria of the genus Okeania gen. nov. (Oscillatoriales, Cyanoprokaryota)". J. Phycol. 49 (6): 1095–1106. doi:10.1111/jpy.12115. PMID 27007630. S2CID 35379310.
4. McGregor, Glenn B.; Sendall, Barbara C.; Lindell, D. (2015). "Phylogeny and toxicology ofLyngbya wollei(Cyanobacteria, Oscillatoriales) from north-eastern Australia, with a description ofMicroseiragen. nov". J. Phycol. 51 (1): 109–119. doi:10.1111/jpy.12256. PMID 26986262. S2CID 206147172.
5. Engene, Niclas; Tronholm, Ana; Paul, Valerie J.; De Clerck, O. (2018). "Uncovering cryptic diversity of Lyngbya: the new tropical marine cyanobacterial genus Dapis (Oscillatoriales)". J. Phycol. 54 (4): 435–446. doi:10.1111/jpy.12752. PMID 29791035.
6. James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 978-0-7216-2921-6.
7. Blunt, J. W. & Munro, M. H. G. 2017. Marinlit Database. Department of Chemistry, University of Canterbury, Christchurch, New Zealand. Available at: http://pubs.rsc.org/marinlit/ (last accessed 24 May 2017).
8. Osborne, Nicholas J.T.; Webb, Penny M.; Shaw, Glen R. (November 2001). "The toxins of Lyngbya majuscula and their human and ecological health effects". Environment International. 27 (5): 381–392. doi:10.1016/S0160-4120(01)00098-8. PMID 11757852.
9. McPhail, Kerry L.; Correa, Jhonny; Linington, Roger G.; González, José; Ortega-Barría, Eduardo; Capson, Todd L.; Gerwick, William H. (June 2007). "Antimalarial Linear Lipopeptides from a Panamanian Strain of the Marine Cyanobacterium". Journal of Natural Products. 70 (6): 984–988. doi:10.1021/np0700772. PMC 2745555. PMID 17441769.
10. Gutiérrez, Marcelino; Pereira, Alban R.; Debonsi, Hosana M.; Ligresti, Alessia; Di Marzo, Vincenzo; Gerwick, William H. (2011). "Cannabinomimetic Lipid from a Marine Cyanobacterium". Journal of Natural Products. 74 (10): 2313–2317. doi:10.1021/np200610t. PMC 3325759. PMID 21999614.

• Oscillatoriales