期刊
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
卷 60, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.algal.2021.102474
关键词
Dunaliella; Microalgae biomass; Nucleoside diphosphate kinase; Nucleotide metabolism; Salinity; Stress conditions
资金
- National Science Centre, Poland [2015/19/D/NZ3/00087]
Algae have been extensively researched for their potential applications, with a focus on microalgae like Dunaliella. These organisms accumulate valuable components under stress conditions and efficient nucleotide metabolism is crucial for their rapid growth. Understanding the biochemical nature of Dunaliella can optimize cultivation methods, increase biomass production, conserve resources, and potentially aid in treating various diseases.
Over recent decades, wide-ranging research has been focused on algae due to their potential applications, e.g., for biomass, extract and third-generation biofuel production. In particular, microalgae, which are very fastgrowing organisms with low nutrient requirements, are ideal research objects. This review focuses on one of the most significant microalgae genus, i.e., Dunaliella, which includes D. salina and D. tertiolecta. The valuable components of these unicellular eukaryotes include glycerol, carotenoids (such as zeaxanthin and beta-carotene) and many others, which mainly accumulate when these microalgae are affected by stress conditions (i.e., hypersaline and oxidative stress). The rapid growth of these microalgae in artificial/natural systems certainly has to be based not only on nutrient uptake and photosynthesis rates but also on efficient nucleotide metabolism. Nucleoside diphosphate kinases (NDPKs), which are considered conserved housekeeping proteins responsible for nucleotide turnover, could play an important role in this context, together with proper mitochondrial and chloroplast function. A more detailed understanding of the biochemical nature of Dunaliella spp. will help optimize the massive cultivation of these microorganisms. Ultimately, it will facilitate the greater use of coastal waters to multiply Dunaliella biomass production significantly. This strategy will save freshwater resources, e.g., in obtaining land plant oils to make biofuels. Greater access to different algal bioactive compounds may support the treatment of various diseases, such as asthma, eye diseases, cancer, and viral infections.
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