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  • Title: Microbial assimilation of hydrocarbons. II. Fatty acids derived from 1-alkenes.
    Author: Makula R, Finnerty WR.
    Journal: J Bacteriol; 1968 Jun; 95(6):2108-11. PubMed ID: 5669892.
    Abstract:
    The utilization of 1-alkenes by Micrococcus cerificans was investigated with respect to characteristic fatty acid profiles resulting from growth at the expense of these substrates. Saturated fatty acids containing even numbers of carbon atoms were produced from 1-dodecene and 1-tetradecene. Unsaturated fatty acids related to the parent alkene were not detected. The fatty acid profile from 1-pentadecene utilization resulted in the identification of 14-pentadecenoic acid, indicating preferential methyl-group attack. Studies with 1-hexadecene and 1-octadecene indicated simultaneous methyl-group and double-bond attack. Omega-Unsaturated fatty acids related to carbon number of parent alkene and odd-carbon fatty acids one carbon less than the substrate molecule were identified. A mechanism involving double bond epoxidation and oxidative cleavage was supported by measuring the release of formaldehyde. It appears that a dichotomous mechanism is functional in the assimilation of higher carbon number alkenes.
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