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International Journal on Algae
SJR: 0.229 SNIP: 0.261 CiteScore™: 0.24

ISSN 印刷: 1521-9429
ISSN オンライン: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v2.i1.110
pages 102-112

Selection of productive forms of microalgae for mass cultivation

L. N. Tsoglin
Institute of Plant Physiology, Russian Academy of Sciences, 35, Botanicheskaya St., 127276Moscow, Russia
O. Pulz
IGV Institute of Cereal Processing, 40/41, Arthur-Scheunert-Allee, 14558 Bergholz-Rehbrucke, Germany
R. Storandt
Department of Biotechnology, IGV Institut fur Getreideverarbeitung GmbH, Arthur-Scheunert- Allee, 40/41, D-14558 Nuthetal OT Bergholz-Rehbrucke, Germany
A. Ya. Akyev
Institute of Plant Physiology, Russian Academy of Sciences, 35, Botanicheskaya St., 127276Moscow, Russia

要約

Selection of the most productive forms of Chlorella vulgaris Beijer. for mass cultivation under given climatic conditions was carried out by three methods: based on the parameters of synchronous cultures, in terms of the growth curves of algae in cumulative regime, and by autoselection. Cultivation was performed under stable laboratory conditions of growth typical for the Berlin region, as well as under natural outdoors conditions. Four strains from different collections were used: A-34, 211-11-s, C-1, and C-11. Cultures C-1 and A-34 were characterized by almost equal growth rates; the growth rates of these cultures were higher than those of cultures C-11, and 211-11-s. The cell cycle and light stage of the development of cells belonging to C-1 under given conditions were shorter. This evidence may be considered as a contributory factor for obtaining synchronization in the course of mass cultivation. Besides, it was found that C-1 in cultivating out of doors proved to be more tolerant to unfavorable factors of environment as compared to other cultures. The culture C-1 was isolated during the process of autoselection both under laboratory and natural conditions. Autoselection appears to be a simple and reliable method of selection of the most productive forms under given conditions of cultivation. However, this method can be used provided that chemical composition of the biomass produced is of minor importance.


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