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Lyngbya

From Wikipedia, the free encyclopedia
Genus of bacteria

Lyngbya
Lyngbya sp.
Scientific classificationEdit this classification
Domain:Bacteria
Phylum:Cyanobacteria
Class:Cyanophyceae
Order:Oscillatoriales
Family:Oscillatoriaceae
Genus:Lyngbya
Agardh ExGomont, 1892[1]
Species

Lyngbya is agenus ofcyanobacteria,unicellularautotrophs that form the basis of the oceanicfood chain.

As a result of recent genetic analyses, several new genera were erected from this genus:e.g.,Moorea,[2]Limnoraphis,[3]Okeania,[4]Microseira,[5] andDapis.[6]

Lyngbya species form long, unbranching filaments inside a rigidmucilaginous sheath. Sheaths may form tangles or mats, intermixed with otherphytoplankton species. Theyreproduce asexually. Their filaments break apart and each cell forms a new filament.[7] The mats grow aroundatolls,salt marshes, orfresh water.[8]

SomeLyngbya species cause the human skin irritation calledseaweed dermatitis.[9]

SomeLyngbya species can also temporarily monopolize aquatic ecosystems when they form dense, floating mats in the water.

Ingestion ofLyngbya is potentially lethal.[8] Most commonly, poisoning is caused by eating fish which have fed onLyngbya or which have fed on other fish which have consumedLyngbya.[8] This is called "ciguatera-like" poisoning.[8]

See also

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References

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  1. ^Lyngbya Agardh Ex Gomont, 1892 ITIS. Retrieved 2011-09-24.
  2. ^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.
  3. ^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.
  4. ^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.
  5. ^McGregor, Glenn B.; Sendall, Barbara C.; Lindell, D. (2015). "Phylogeny and toxicology of Lyngbya wollei(Cyanobacteria, Oscillatoriales) from north-eastern Australia, with a description ofMicroseira gen. nov".J. Phycol.51 (1):109–119.doi:10.1111/jpy.12256.PMID 26986262.S2CID 206147172.
  6. ^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.
  7. ^Lyngbya, Cyanobacteria, ALGAL-ED, Freshwater Ecology Laboratory, Connecticut CollegeArchived 2013-12-30 at theWayback Machine
  8. ^abcdTurner, Nancy J.; von Aderkas, Patrick (2009). "3: Poisonous Plants of Wild Areas".The North American Guide to Common Poisonous Plants and Mushrooms. Portland, OR: Timber Press. pp. 115–6.ISBN 9780881929294.OCLC 747112294.
  9. ^"Seaweed dermatitis". New Zealand Dermatological Society. 2007-02-24.

External links

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