Affiliation:
1. Department of Chemical Engineering and Materials Science, Department of Microbiology, University of Minnesota, Minneapolis, Minnesota 55455
Abstract
Dictyostelium discoideum
and
Escherichia coli
were aerobically propagated in mixed continuous culture in a predator-prey relationship, and the effects of temperature and holding times were examined. Oscillations developed in the concentration of glucose, the limiting substrate for
E. coli
, and in the densities of the two populations, but eventually steady-state populations were reached. The experimental data were analyzed according to the Lotka-Volterra model for prey-predator relationships and by the Monod model for saturation kinetics. A comparison of the adequacy of the two models in describing predation is given.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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