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Light intensity and nitrogen effectively control exopolysaccharide production by the green microalga Botryococcus braunii (Trebouxiophyceae)
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SYSNO ASEP 0493067 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Light intensity and nitrogen effectively control exopolysaccharide production by the green microalga Botryococcus braunii (Trebouxiophyceae) Author(s) Cepák, Vladislav (BU-J) RID
Přibyl, Pavel (BU-J) RID, ORCIDSource Title Genetics and Plant Physiology. - : Akademichno Izdatelstvo Prof. Marin Drinov - ISSN 1314-6394
Roč. 8, 1-2 (2018), s. 24-37Number of pages 14 s. Language eng - English Country BG - Bulgaria Keywords Botryococcus braunii ; exopolysaccharides ; nitrate Subject RIV EF - Botanics OECD category Plant sciences, botany R&D Projects TE01020080 GA TA ČR - Technology Agency of the Czech Republic (TA ČR) TA03011027 GA TA ČR - Technology Agency of the Czech Republic (TA ČR) Institutional support BU-J - RVO:67985939 Annotation The production of exopolysaccharides (EPS) in the green microalga Botryococcus braunii was strongly dependent not only on the nitrogen concentration in the cultivation medium, but also on the intensity of light. At higher light intensities (650-950 μmol m-2 s-1), EPS production was dependent on the nitrogen concentration in the cultivation medium. The optimal conditions of light and nitrogen for EPS production were 950 μmol m-2 s-1 and 6 mM nitrate, respectively, under which EPS approached 2 mg mL-1. These conditions were accompanied by significant ultrastructural changes. Workplace Institute of Botany Contact Martina Bartošová, martina.bartosova@ibot.cas.cz, ibot@ibot.cas.cz, Tel.: 271 015 242 ; Marie Jakšová, marie.jaksova@ibot.cas.cz, Tel.: 384 721 156-8 Year of Publishing 2019
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