Desaturation of linoleic acid in the marine diatom Haslea ostrearia Simonsen (Bacillariophyceae)

被引：0
作者：
Mimouni, V
Ulmann, L
Tremblin, G
Robert, JM
机构：
[1] Univ Maine, Lab Physiol & Biochim Vegetales, ISOMer, IUT Laval,Fac Sci Mans, F-72085 Le Mans 9, France
[2] Univ Nantes, Fac Sci, Marine Biol Lab, ISOMer, F-44072 Nantes, France
来源：
CRYPTOGAMIE ALGOLOGIE | 2003年 / 24卷 / 03期
关键词：
biosynthesis of n-3 polyunsaturated fatty acids; diatom; fatty acid desaturation; Haslea ostrearia; linoleic acid; n-3 fatty acids;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The work reported here studied the biosynthesis of polyunsaturated fatty acids in the marine diatom Haslea ostrearia Simonsen. Microalgae were incubated with [1-C-14] linoleic acid for 4, 8 and 12 hours. Analysis by HPLC showed that linolenic, eicosatetraenoic and eicosapentaenoic n-3 fatty acids were synthesized from radiolabeled linoleic acid. Results showed that this diatom has the enzymatic capacity for the biosynthesis of eicosa-polyunsaturated fatty acids through Delta6- and Delta5- desaturation and furthermore has the capacity for synthesis of n-3 polyunsaturated fatty acids from n-6 polyunsaturated fatty acids.
引用
收藏
页码：269 / 276
页数：8
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