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  • Title: [Lipid synthesis by Micrococcus freudenreichii in media containing unsaturated hydrocarbon's].
    Author: Masumyan VY, Isakova DM, Loiko ZI, Bublik JN.
    Journal: Prikl Biokhim Mikrobiol; 1975; 11(2):210-3. PubMed ID: 1208375.
    Abstract:
    The growth and synthesis of lipids by thermotolerant bacteria Micrococcus freudenreichii K-219 were investigated in the mineral medium containing a mixture of unsaturated (I-) and saturated hydrocarbons. The bacteria utilized primarily I-alkenes. In lipids the predominant fractions were phospholipids (57%) and free fatty acids (20%). The content of waxes which were in significant quantities in n-alkane containing media (9%) was not higher than 0.3% dry matter upon utilization of I-alkenes. There was a certain correlation between carbon atoms of synthesized fatty acids and unsaturated hydrocarbons used. Bacteria utilizing I-alkenes showed no elevated unsaturation of cell lipids as compared to those assimilating n-alkanes. These data give evidence for different pathways of oxidation of alkenes and alkanes by the above microbial strain.
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