首页> 外文期刊>Journal of Ocean University of China >Effects of Sodium Nitrate and Sodium Acetate Concentrations on the Growth and Fatty Acid Composition of Brachiomonas submarina
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Effects of Sodium Nitrate and Sodium Acetate Concentrations on the Growth and Fatty Acid Composition of Brachiomonas submarina

机译:硝酸钠和醋酸钠的影响浓度的增长和脂肪酸组成Brachiomonas submarina

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摘要

One isolate of Brachiomonas submarina was tested for its ability to grow heterotrophicly on 5 different organic compounds. Sodium acetate and glucose were found to be effective in supporting the growth. Sodium acetate was chosen as the organic nutrient to test the combined effects of organic and inorganic solutions on the growth and fatty acid composition of Brachiomonas submarina. The best growth rates were achieved at 3 mmol L~(-1) CH_3COONa and 0.88 mmol L~(-1) NaNO_3 in heterotrophic condition, and 4 mmol L~(-1) CH_3COONa and 3.52 mmol L~(-1) NaNO_3 in mixotrophic condition. The differences between fatty acid contents were significant. The total polyunsaturated fatty acids (T. P. U. F. As) varied from 55.79% to 67.72% in heteritrophic growth and from 52.39% to 65.55% in mixotrophic growth. It is concluded that CH_3COONa and NaNO_3 at 3 mmol L~(-1) and 3.52 mmol L~(-1) should respectively be used in order to achieve the highest growth rate and fatty acid content.

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