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Microcystis floating colonies in an Erlenmeyer flask. As the etymological derivation implies, Microcystis is characterized by small cells (a few micrometers in diameter), possessing gas-filled vesicles (also lacking individual sheaths). [2]
A range of microalgae species are produced in hatcheries and are used in a variety of ways for commercial purposes, including for human nutrition, [19] as biofuel, [20] in the aquaculture of other organisms, [21] in the manufacture of pharmaceuticals and cosmetics, [22] and as biofertiliser. [23]
QS-21 is a 65:35 mixture of the Apiose- and the Xylose-substituted variants of above molecule. QS-21 is a purified plant extract used as a vaccine adjuvant . It is derived from the soap bark tree ( Quillaja saponaria ), which is native to the countries of Chile , Peru , and Bolivia . [ 1 ]
Emiliania huxleyi was named after Thomas Huxley and Cesare Emiliani, who were the first to examine sea-bottom sediment and discover the coccoliths within it.It is believed to have evolved approximately 270,000 years ago from the older genus Gephyrocapsa Kampter [8] [9] and became dominant in planktonic assemblages, and thus in the fossil record, approximately 70,000 years ago.