Abstract
The optimal cultivation conditions for the cyanobacterium Oscillatoria deflexa were studied: temperature (25–27°C), pH (9.0–11.0), and illumination (7 klx). A nutrient medium providing for optimum cyanobacterium growth was selected, as well as media containing an aqueous extract of human urine ash and an inedible material of wheat and vegetables with added nitrates and bicarbonate. The chemical composition (macro and microelements, content of proteins, lipids, carbohydrates, and vitamins, amino acid and fatty acid composition, ash residue) of O. deflexe was studied for the first time. An analysis of the results indicates that O. deflexa is not inferior to the cyanobacterium Spirulina platensis and the green laver Chlorella vulgaris in practical use, for its mineral composition, content of vitamins, essential amino acids and fatty acids, and exceed them in its content of vitamin E and microelements, such as Fe, Mn, Ni. The bacterium’s ability to transport NaCl up to 30 g/l within the medium was studied, and its unique ability for survival and long-term storage was shown. The enhibitory effect of the biomass of O. deflexa on the germination of wheat grains, and growth of daphnids and rotifers was shown.
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Original Russian Text © I.V. Gribovskaya, G.S. Kalacheva, Yu.I. Bayanova, A.A. Kolmakova, 2009, published in Prikladnaya Biokhimiya i Mikrobiologiya, 2009, Vol. 45, No. 3, pp. 318–323.
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Gribovskaya, I.V., Kalacheva, G.S., Bayanova, Y.I. et al. Physiology-biochemical properties of the cyanobacterium Oscillatoria deflexa . Appl Biochem Microbiol 45, 285–290 (2009). https://doi.org/10.1134/S0003683809030089
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DOI: https://doi.org/10.1134/S0003683809030089