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Osmoregulation and its role in resistance of Dunaliella salina cells under the action of different doses of UV-C radiation

Najafli Mahabbat G.  (Doctor of Philosophy in Biology, Associate Professor, Baku State University)

Gadimov Aladdin H.  (Doctor of Philosophy in Biology, Associate Professor, Institute of Botany of ANAS)

Rasulova Sadagat M.  (Doctor of Philosophy in Biology, Associate Professor, Institute of Botany of ANAS)

In Dunaliella salina İPPAS D-294 cells which isolated from Absheron salt lakes and introduced into the culture, the regulation of functional activity and the state of the primary light reactions of photosynthesis of Dunaliella cells grown with 1.5 m NaCl and transferred to a medium with 3.0 m NaCl and on the contrary, the state of initial light reactions of photosynthesis in the cells of Dunaliella salina İPPAS D- 294. It was shown that increasing the concentration of sodium chloride in the growth condition stimulates the biosynthesis of carotenoids, which exhibit increased resistance of Dunaliella salina IPPASD-294 cells to UV-C radiation, and glycerin, in addition to the main osmoregular function also acts as a protector at extremely elevated temperatures.

Keywords:Dunaliella salina IPPASD-294, carotenoid biosynthesis, photosynthetic activity, delayed fluorescence, UV-C radiation, glycerin biosynthesis.
 

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Citation link:
Najafli M. G., Gadimov A. H., Rasulova S. M. Osmoregulation and its role in resistance of Dunaliella salina cells under the action of different doses of UV-C radiation // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2020. -№12. -С. 24-31 DOI 10.37882/2223-2966.2020.12.24
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