Effect of 3-Phenylpropanoic Acid on Growth of and Cellulose Utilization by Cellulolytic Ruminal Bacteria

Author:

Stack Robert J.1,Cotta Michael A.1

Affiliation:

1. Northern Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture, Peoria, Illinois 61604

Abstract

The growth of several cellulolytic species of ruminal bacteria was measured in media containing either cellobiose or cellulose as the energy source and with or without added 3-phenylpropanoic acid (PPA). With Ruminoccoccus albus 7 and 8, the addition of PPA greatly enhanced the rate of cellulose utilization but had little effect on the rate of growth when cellobiose was the energy source. Comparative rates of growth obtained on either cellobiose or cellulose for Ruminococcus flavefaciens FD1 or C94 and Butyrivibrio fibrisolvens 12, 49, or A38 were similar regardless of the PPA content of the growth medium.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference11 articles.

1. Bryant M. P. 1977. Microbiology of the rumen p. 287-304. In M. J. Swenson (ed.) Duke's physiology of domestic animals 9th ed. Cornell University Press Ithaca N. Y.

2. Some nutritional characteristics of predominant culturable ruminal bacteria;Bryant M. P.;J. Bacteriol.,1962

3. Characteristics of ruminal anaerobic cellulolytic cocci and Cillobacterium cellulosolvens n. sp;Bryant M. P.;J. Bacteriol.,1958

4. Color reactions of carbohydrates;Dische Z.;Methods Carbohydr. Chem.,1962

5. Hungate R. E. 1966. The rumen and its microbes. Academic Press Inc. New York.

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