Fatty Acid Composition Analyses of the DCMU Resistant Mutants of Nannochloropsis oculata (Eustigmatophyceae)

ZHANG Jimin; LIU Shuang; SUN XueYANG GuanpinZHANG XuechengGAO Zhenhui

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Fatty Acid Composition Analyses of the DCMU Resistant Mutants of Nannochloropsis oculata (Eustigmatophyceae)

机译：DCMU的脂肪酸组成分析耐药突变体的Nannochloropsis oculata

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Ultraviolet mutagenesis was applied to Nannochloropsis oculata and three mutants resistant to 3-(3, 4-dichloro-phenyl)-1, 1-dimethylurea (DCMU) were isolated. The cellular chlorophyll a and total lipid content of the wild are higher in the medium supplemented with DCMU than in the control without DCMU. Without DCMU, the growth rates and chlorophyll a contents of the mutants are similar to those of the wild. Significant changes of fatty acid content and composition have occurred in DCMU-resistant mutants growing in the medium supplemented with DCMU. The total lipid, palmitic acid (16:0), palmitoleic acid (16:1ω9) and oleic (18:1ω9) contents decrease significantly, while the vaccenic acid (18:1ω11) increases significantly and the EPA content of dried powder increases slightly in the mutants. The study may provide a basis to improve EPA content in Nannochloropsis oculata in the future.

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《Journal of Ocean University of China》 |2003年第1期|65-68|共4页
作者
ZHANG Jimin; LIU Shuang; SUN XueYANG GuanpinZHANG XuechengGAO Zhenhui;
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作者单位

North China Sea Monitoring Center, SOA, 22 Fushun Road, Qingdao 266033, P. R. China;

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原文格式 PDF
正文语种英语
中图分类 P-093;
关键词
Mutants; Mutation; EustigmatophyceaeNannochloropsis oculataFatty Acidsfatty acid compositions;

机译：突变体;突变;EustigmatophyceaeNannochloropsisoculataFatty Acidsfatty酸成分;

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Fatty Acid Composition Analyses of the DCMU Resistant Mutants of Nannochloropsis oculata (Eustigmatophyceae)

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