Dunaliella biotechnology: methods and applications

Area of Science:

• Biotechnology
• Phycology
• Biochemistry

Background:

• Microalgae, particularly Dunaliella species, are recognized for their ability to accumulate high-value compounds.
• Dunaliella salina is the leading commercial source of natural beta-carotene.
• These microalgae offer potential in various biotechnological applications beyond carotenoid production.

Purpose of the Study:

• To review the biotechnological aspects of mass cultivation for Dunaliella salina.
• To discuss methods for enhancing carotenoid production.
• To explore the diverse applications of the Dunaliella genus.

Main Methods:

• Literature review focusing on strain selection and optimization of culture conditions.
• Analysis of carotenoid induction strategies and cultivation systems.
• Examination of downstream processing techniques and diverse applications.

Main Results:

• Dunaliella species are rich sources of carotenoids, glycerol, lipids, vitamins, minerals, and proteins.
• Optimized cultivation of D. salina can maximize beta-carotene yield.
• The genus shows promise for foreign protein expression and wastewater treatment.

Conclusions:

• Dunaliella microalgae represent a significant resource for high-value chemicals and biotechnological innovation.
• Effective strain selection, cultivation, and processing are key to harnessing their potential.
• Further research into Dunaliella applications can unlock new industrial and environmental solutions.