Lyngbya
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Lyngbya is a genus of cyanobacteria, unicellular autotrophs that form the basis of the oceanic food chain.
As a result of recent genetic analyses, several new genera were erected from this genus: e.g., Moorea,[1] Limnoraphis,[2] Okeania,[3] Microseira,[4] and Dapis.[5]
Lyngbya species form long, unbranching filaments inside a rigid mucilaginous sheath. Sheaths may form tangles or mats, intermixed with other phytoplankton species. They reproduce asexually. Their filaments break apart and each cell forms a new filament.[6] The mats grow around atolls, salt marshes, or fresh water.[7]
Some Lyngbya species cause the human skin irritation called seaweed dermatitis.[8]
Some Lyngbya species can also temporarily monopolize aquatic ecosystems when they form dense, floating mats in the water.
Ingestion of Lyngbya is potentially lethal.[7] Most commonly, poisoning is caused by eating fish which have fed on Lyngbya or which have fed on other fish which have consumed Lyngbya.[7] This is called "ciguatera-like" poisoning.[7]
See also
References
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- ↑ Lyngbya, Cyanobacteria, ALGAL-ED, Freshwater Ecology Laboratory, Connecticut College Template:Webarchive
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External links
- Lyngbya Agardh 1824. Protist Information Server.
- Lyngbya species. Center for Aquatic and Invasive Plants. University of Florida IFAS.
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