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首页> 外文期刊>Applied biochemistry and biotechnology, Part A. enzyme engineering and biotechnology >Lipid Production by Arctic Microalga Chlamydomonas sp. KNF0008 at Low Temperatures
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Lipid Production by Arctic Microalga Chlamydomonas sp. KNF0008 at Low Temperatures

机译：北极微藻衣原体SP的脂质生产。 KNF0008在低温下

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摘要

A lipid-producing microalga, Chlamydomonas sp. KNF0008, collected from the Arctic was capable of growing at temperatures ranging from 4 to 20 degrees C, and the highest cell density was measured at 15 degrees C and 100mol photonsm(-2)s(-1) light intensity under continuous shaking and external aeration. KNF0008 showed the elevated accumulation of lipid bodies under nitrogen-deficient conditions, rather than under nitrogen-sufficient conditions. Fatty acid production of KNF0008 was 4.2-fold (104mgL(-1)) higher than that of C. reinhardtii CC-125 at 15 degrees C in Bold's Basal Medium. The dominant fatty acids were C16:0, C16:4, C18:1, and C18:3, and unsaturated fatty acids (65.69%) were higher than saturated fatty acids (13.65%) at 15 degrees C. These results suggested that Arctic Chlamydomonas sp. KNF0008 could possibly be utilized for production of biodiesel during periods of cold weather because of its psychrophilic characteristics.
机译：产生脂质的微藻，衣原体SP。 从北极收集的KNF0008能够在4至20摄氏度的温度下生长，并且在连续摇动和外部下的15℃和100mol光子（-2）光强度下测量最高的细胞密度 通风。 KNF0008在氮气缺乏条件下显示脂质体的积累升高，而不是在氮气下的条件下。 脂肪酸产生的KNF0008为4.2倍（104mg1）），高于粗体基础培养基的15摄氏度为15摄氏度。 优势脂肪酸是C16：0，C16：4，C18：1和C18：3，并且不饱和脂肪酸（65.69％）在15摄氏度下高于饱和脂肪酸（13.65％）。这些结果表明北极 Chlamydomonas sp。 由于其心理学特性，KNF0008可能用于在寒冷天气时期的生物柴油生产。

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