耐低温微藻类 Chloromonas reticulata 细胞中初级和次级类胡萝卜素的含量。

IF 2.3 4区 生物学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY
Olga V. Dymova, Vitaliy S. Parshukov, Irina V. Novakovskaya, Elena N. Patova
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引用次数: 0

摘要

雪(耐寒)藻类经常在世界各地的雪原山地生态系统中形成红色(粉红色)斑点,但人们对它们的生理机能和化学成分知之甚少。研究人员对耐低温绿色微藻类 Chloromonas reticulata 细胞中色素的含量和组成进行了研究。对在实验室条件下生长的绿色(无性)细胞和从乌拉尔次极地雪地表面采集的红色静止细胞中类胡萝卜素的含量进行了分析。检测到了类胡萝卜素,如新黄质、小黄质、前黄质、玉米黄质、叶黄素和β-胡萝卜素。在类胡萝卜素中,还发现了具有高生物活性的酮类胡萝卜素虾青素。在低正温度(6°C)和适度光照(250 μmol量子/(m2⋅s))条件下培养藻类,有助于积累所有已确定的类胡萝卜素,包括浆膜外虾青素。除色素外,藻类细胞中还积累了脂肪酸。根据所获得的数据,我们可以认为所研究的微藻是一种有潜力生产类胡萝卜素的物种。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Content of Primary and Secondary Carotenoids in the Cells of Cryotolerant Microalgae Chloromonas reticulata

Content of Primary and Secondary Carotenoids in the Cells of Cryotolerant Microalgae Chloromonas reticulata

Snow (cryotolerant) algae often form red (pink) spots in mountain ecosystems on snowfields around the world, but little is known about their physiology and chemical composition. Content and composition of pigments in the cells of the cryotolerant green microalgae Chloromonas reticulata have been studied. Analysis of carotenoids content in the green (vegetative) cells grown under laboratory conditions and in the red resting cells collected from the snow surface in the Subpolar Urals was carried out. Carotenoids such as neoxanthin, violaxanthin, anteraxanthin, zeaxanthin, lutein, and β-carotene were detected. Among the carotenoids, the ketocarotenoid astaxanthin with high biological activity was also found. It was established that cultivation of the algae at low positive temperature (6°C) and moderate illumination (250 μmol quanta/(m2⋅s) contributed to accumulation of all identified carotenoids, including extraplastidic astaxanthin. In addition to the pigments, fatty acids accumulated in the algae cells. The data obtained allow us to consider the studied microalgae as a potentially promising species for production of carotenoids.

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来源期刊
Biochemistry (Moscow)
Biochemistry (Moscow) 生物-生化与分子生物学
CiteScore
4.70
自引率
3.60%
发文量
139
审稿时长
2 months
期刊介绍: Biochemistry (Moscow) is the journal that includes research papers in all fields of biochemistry as well as biochemical aspects of molecular biology, bioorganic chemistry, microbiology, immunology, physiology, and biomedical sciences. Coverage also extends to new experimental methods in biochemistry, theoretical contributions of biochemical importance, reviews of contemporary biochemical topics, and mini-reviews (News in Biochemistry).
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