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Fatty acid distribution in mesophilic and thermophilic strains of the genus Bacillus. 1970

P Y Shen, and E Coles, and J L Foote, and J Stenesh

The fatty acid distribution of three mesophilic and three thermophilic strains of the genus Bacillus was determined by gas chromatography of the fatty acid methyl esters. Fatty acid i-15:0 was the most abundant in both the mesophiles (51%) and the thermophiles (41%). The second most abundant fatty acid was a-15:0 in the mesophiles (22%), and i-17:0 in the thermophiles (27%). The fatty acid pair i-15:0, i-17:0 was the most predominant pair in both the mesophiles (61%) and the thermophiles (66%). The fatty acid pair a-15:0, a-17:0 was the second most predominant pair and was much higher in the mesophiles (30%) than in the thermophiles (15%). The average fatty acid chain length was 15.5 for the mesophiles and 16.0 for the thermophiles. The significance of these results for the lipid theory of thermophily is discussed.

UI MeSH Term Description Entries
D002849 Chromatography, Gas Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix. Chromatography, Gas-Liquid,Gas Chromatography,Chromatographies, Gas,Chromatographies, Gas-Liquid,Chromatography, Gas Liquid,Gas Chromatographies,Gas-Liquid Chromatographies,Gas-Liquid Chromatography
D005227 Fatty Acids Organic, monobasic acids derived from hydrocarbons by the equivalent of oxidation of a methyl group to an alcohol, aldehyde, and then acid. Fatty acids are saturated and unsaturated (FATTY ACIDS, UNSATURATED). (Grant & Hackh's Chemical Dictionary, 5th ed) Aliphatic Acid,Esterified Fatty Acid,Fatty Acid,Fatty Acids, Esterified,Fatty Acids, Saturated,Saturated Fatty Acid,Aliphatic Acids,Acid, Aliphatic,Acid, Esterified Fatty,Acid, Saturated Fatty,Esterified Fatty Acids,Fatty Acid, Esterified,Fatty Acid, Saturated,Saturated Fatty Acids
D001407 Bacillus A genus of BACILLACEAE that are spore-forming, rod-shaped cells. Most species are saprophytic soil forms with only a few species being pathogenic. Bacillus bacterium
D013696 Temperature The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. Temperatures

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