Research reveals antibacterial activity in cestodes, reducing bacterial growth of E. coli and S. aureus.
The results of the study support the presence of antibacterial substances in the tissues and secretion products of cestodes Eubothrium rugosum and Triaenophorus nodulosus living in the intestines of fish. The growth of test strains Escherichia coli, Staphylococcus aureus, Shigella sonnei, Salmonella enteritidis, Micrococcus luteus, Pseudomonas aeruginosa was significantly reduced in a liquid medium containing the incubation medium of cestodes or extracts from their tissues. The study revealed a multidirectional effect of the cestode incubation medium, tegument fraction, and tissue extracts on bacterial growth, as well as features of the effect on the bacteria of different taxa. Shigella sonnei demonstrated the highest level of growth suppression due to the antibacterial effect of the incubation media and extracts from Eubothrium rugosum and Triaenophorus nodulosus tegument.
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Galina I. Izvekova (2025) studied this question.
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