Lyngbyatoxin-a
Lyngbyatoxin-a is a toxin produced by the cyanobacteria Lyngbya majuscula. It is a potent skin irritant and tumor promoter, and is associated with the condition seaweed dermatitis.
History[edit | edit source]
Lyngbyatoxin-a was first isolated in 1977 from Lyngbya majuscula, a species of cyanobacteria found in tropical and subtropical marine environments. The toxin was named after the genus of the cyanobacteria from which it was isolated.
Structure and properties[edit | edit source]
Lyngbyatoxin-a is a lipophilic compound with a complex terpenoid structure. It is a potent activator of Protein Kinase C, a family of enzymes involved in cell signaling and regulation.
Toxicity[edit | edit source]
Lyngbyatoxin-a is a potent skin irritant and tumor promoter. It is associated with the condition seaweed dermatitis, a skin rash caused by contact with certain species of marine cyanobacteria. The toxin can also cause severe eye irritation and damage to the cornea.
Treatment and prevention[edit | edit source]
Avoidance of areas with high concentrations of Lyngbya majuscula is the most effective way to prevent exposure to lyngbyatoxin-a. In case of exposure, immediate washing of the affected area with fresh water and soap can help to remove the toxin. Medical treatment may be necessary in severe cases.
See also[edit | edit source]
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