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Dunaliella salina

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Title: Dunaliella salina  
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Subject: Chlorophyceae, Culture of microalgae in hatcheries, List of sequenced plant genomes, Syvash, Lake Eyre
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Dunaliella salina

Dunaliella salina
Orange-colored Dunaliella salina within sea salt
Scientific classification
Kingdom: Plantae
Phylum: Chlorophyta
Class: Chlorophyceae
Order: Volvocales
Family: Dunaliellaceae
Genus: Dunaliella
Species: D. salina
Binomial name
Dunaliella salina
The red color in these ponds is from Dunaliella salina. South San Francisco Bay, California.
By Dunaliella salina orange-colored water of the salt lake Sivash.

Dunaliella salina is a type of β-carotene to protect against the intense light, and high concentrations of glycerol to provide protection against osmotic pressure. This offers an opportunity for commercial biological production of these substances.

From a first pilot plant for Dunaliella cultivation for β-carotene production established in the USSR in 1966, the commercial cultivation of Dunaliella for the production of β-carotene throughout the world is now one of the success stories of halophile biotechnology. Different technologies are used, from low-tech extensive cultivation in lagoons to intensive cultivation at high cell densities under carefully controlled conditions. Although Dunaliella salina produce β-carotene in a high salt environment, Archaea such as Halobacterium, not Dunaliella, are responsible for the red and pink coloring of salt lakes.[1] Occasionally, orange patches of Dunaliella colonies will crop up.

Attempts have been made to exploit the high concentrations of glycerol accumulated by Dunaliella as the basis for the commercial production of this compound. Although technically the production of glycerol from Dunaliella was shown to be possible, economic feasibility is low and no biotechnological operation exists to exploit the alga for glycerol production.

See also


  1. ^ Oren, Aharon (2005). "A hundred years of Dunaliella research: 1905-2005". Saline Systems 1: 2.  
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