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International Journal on Algae
SJR: 0.216 SNIP: 0.322 CiteScore™: 0.4

ISSN Print: 1521-9429
ISSN Online: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v16.i4.50
pages 354-368

Secondary Carotenogenesis of the Green Microalga Bracteacoccus minor (Chodat) Petrova (Chlorophyta) in a Two-Stage Culture

G. S. Minyuk
A.O. Kovalevsky Institute of Biology of Southern Seas, NAS of Ukraine, 2, Nakhimov Pr., Sevastopol 99011, Crimea
E.S. Chelebieva
A.O. Kovalevsky Institute of Biology of Southern Seas, NAS of Ukraine, 2, Nakhimov Pr., Sevastopol 99011, Crimea
I. N. Chubchikova
A.O. Kovalevsky Institute of Biology of Southern Seas, NAS of Ukraine, 2, Nakhimov Pr., Sevastopol 99011, Crimea

ABSTRACT

Morphometric and physiologic-biochemical characteristics as well as the productivity of the green terrestrial microalga Bracteacoccus minor were investigated in a two-stage batch culture. The specific adaptive responses, which the microalga developed under the experimentally induced secondary carotenogenesis were: high cellular resistance to sodium acetate, the accumulation of a multicomponent mixture of secondary ketocarotenoids with the dominance of astaxanthin diesters (37−42% of the total carotenoids) and a large lipid content in algal biomass (53−63% of dry matter).


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