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Appl Environ Microbiol. 1968 September; 16(9): 1406-1413
Copyright © 1968 American Society for Microbiology. All Rights Reserved.

Cellular Fatty Acid Composition and Identification of Rumen Bacteria¹

Department of Biochemistry, Purdue University, Lafayette, Indiana 47907

ABSTRACT

The fatty acid compositions of 21 pure cultures of rumen bacteria, representing 12 genera and 14 species, were compared as methyl esters. Each organism possessed a consistent and reproducible fatty acid profile. Overlapping similarities and differences in composition did not allow differentiation between families or genera. Although species differentiation was possible, fatty acid composition appeared to be only an aid in the identification of bacteria.

² Present address: Whirlpool Corp., Benton Harbor, Mich.

¹ Published with the approval of the Director of the Purdue University Agricultural Experiment Station as Journal Series Paper No. 3360.