Lyngbya majuscula

Lyngbya majuscula

Taxobox
color = lightgrey
name = "Lyngbya majuscula"
regnum = Monera
phylum = Cyanobacteria
class = Cyanophyceae
ordo = Oscillatoriales
familia = Oscillatoriaceae
genus = "Lyngbya"
species = "L. majuscula"
binomial = "Lyngbya majuscula"
binomial_authority = Harvey "in" Hooker "ex" Gomont, 1892 [cite web |url= |title="Lyngbya majuscula" Harvey "in" Hooker "ex" Gomont, 1892 |author=Espinel Nadjejda |date=2005-07-26 |publisher=MarineSpecies.org |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=177509]

"Lyngbya majuscula" is a species of seaweed in the genus "Lyngbya". It is a species of cyanobacteria that is one of the causes of the human skin irritation "seaweed dermatitis". [cite web |url=http://www.dermnetnz.org/dermatitis/plants/seaweed.html |publisher=New Zealand Dermatological Society |title=Seaweed dermatitis |date=2007-02-24] It is also known as fireweed. [cite news |url=http://www.uq.edu.au/research/index.html?page=37163&pid=37143 |publisher=University of Queensland |title=Fireweed Fears Hosed Down |year=2005 |accessdate=2007-06-21]

This organism appears to be on the increase due to pollution and overfishing. Nutrients such as nitrogen and human waste flow to the ocean due to rain runoff and sewers. These nutrients increase the population of microbes, which in turn remove oxygen from the water. Lack of fish to eat the microbes furthers the microbe populations. Low oxygen is the environment that cyanobacteria evolved for. [Cite news |url=http://www.latimes.com/news/local/oceans/la-me-ocean30jul30,0,6670018,full.story |publisher=Los Angeles Times |title=A Primeval Tide of Toxins |author=Kenneth R. Weiss |date=2006-07-30] This organism can also fix its own nitrogen from atmospheric nitrogen dissolved in the seawater. This implies that pollution with phosphorous and iron may be more important than nitrogen pollution. [ Lundgren, P., et al. (2003). [http://www.blackwell-synergy.com/doi/abs/10.1046/j.1529-8817.2003.02080.x?journalCode=jpy (2003) Reevaluation of the nitrogen fixation behavior in the marine non-heterocystous cyanobacterium "Lyngbya majuscula".] "Journal of Phycology" 39(2), 310–314.]

The microbe is known for its toxicity. "Lyngbya majuscula" produces "antifungal and cytotoxic agents, including laxaphycin A and B and curacin A." [cite journal |quotes=no |doi=10.1016/S0167-7012(01)00324-4 |title=Culture of the marine cyanobacterium, "Lyngbya majuscula" (Oscillatoriaceae), for bioprocess intensified production of cyclic and linear lipopeptides |author=A. M. Burja, E. Abou-Mansour, B. Banaigs, C. Payri, J. G. Burgess & P. C. Wright |journal=Journal of Microbiological Methods |year=2002 |volume=48 |issue=2–3 |pages=207–219]

ources

Further reading

*cite web |url=http://protist.i.hosei.ac.jp/PDB/Images/Prokaryotes/Oscillatoriaceae/Lyngbya/ |title="Lyngbya" |publisher=Protist Information Server |accessdate=2007-06-21
*cite book |url=http://www.library.uq.edu.au/pdfserve.php?
University of Queensland |year=2004 |pages=246 pp|format=PDF


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