The maintenance ofBdellovibrio at low prey density.
A mathematical model for the interaction ofBdellovibrio and its prey predicted that a relatively high prey density (7×10(5) cells ml(-1)) would be required for the establishment of an equilibrium in a mixed population [8]. The present report shows thatBdellovibrio can be maintained in a continuous culture when the prey cell density is much lower (2-5×10(4) cells ml(-1)), and closer to that of naturally occurring bacterial populations in sea waters.
The Institute of Life Sciences, Division of Microbial and Molecular Ecology, The Hebrew University, Jerusalem, Israel.
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