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Journal of Dairy Science Vol. 37 No. 5 531-537
© 1954 by American Dairy Science Association ®
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Aspartate Dissimilation Reactions of Rumen Bacteria1

F. M. Sirotnak, R. N. Doetsch, Roslyn Q. Robinson and J. C. Shaw

Departments of Bacteriology and Dairy Husbandry, University of Maryland, College Park

ABSTRACT

The dissimilation of aspartate by mixed suspensions of bovine rumen bacteria was studied in detail. The feasibility of succinate, malate, fumarate, pyruvate, lactate, {alpha}-alanine, and ß-alanine as intermediates was considered. Data were obtained manometrically by inhibition experiments and by an analysis of the end products. The principal pathway appears to be a deamination to succinate, decarboxylation to propionate, and further conversion to acetate and butyrate.

FOOTNOTES

1 Paper No. A444, contribution No. 2505 of the Maryland Agricultural Experiment Station.






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Copyright © 1954 by the American Dairy Science Association ®.