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Abstract
The behavior of a population of bacteria at the boundary with a chemotactically active water
medium containing the sites of specific binding to cell receptors was analyzed. A kinetic model
of chemotaxis was used for the analysis. Differences in the behavior of strains metabolizing and
not metabolizing the substrate were revealed. Six phases of interface taxis were distinguished
and characterized. The results of the analysis were confirmed by the densitometric data. | 
