Possible decreasing of the Corynebacterium diphtheriae adhesive activity by natural biopolymers was studied. It was shown that the strains of C.diphtheriae circulating on the Primorye Territory had middle, low or minimal adhesive activity. Natural biopolymers were found to decrease the adhesive properties of C.diphtheriae. The results of the study are promising for further investigation of natural biopolymers as agents preventing C.diphtheriae colonization on the stomatopharynx mucosa.

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