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.
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Selected References
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