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Additional recommended knowledge
In many tissues plasmalogens are minor constituents, but in heart tissue nearly 50% of phosphatidylcholine contains the alkenyl ether at carbon 1. Nervous tissues, testes and kidneys also contain significant amounts of plasmalogens.
Alkenyl ether-containing phospholipids can protect cells against the damaging effects of singlet oxygen, which at high concentrations can kill cells.
Plasmalogens also occur in invertebrates and single cell protozoans. Among bacteria they have been found in many anaerobic species including Clostridia, Megasphaera, and Veillonella.
Plasmalogens were first described when studying stained tissue sections.
These tissue sections were pre-treated with mercuric chloride that breaks the vinyl-ether bond and forms aldehydes that later react with a fuschine-sulfurous acid stain, giving rise to coloured compounds inside the cytoplasm of the cells.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Plasmalogen". A list of authors is available in Wikipedia.|