ANTAGONISTIC POTENTIAL OF S. SALIVARIUS, S. ORALIS AND S. DENTISANI ON DIFFERENT BIOTYPES OF S. MUTANS

Fredy Omar Gamboa Jaimes, Leandro Augusto Plazas Cristancho, Claudia Patricia Lamby Tovar, Yalena Alicia Gamboa Vergara, Olga Lucia Gómez, Ana Lucia Sarralde, Luis Gonzalo Sequeda Castañeda

Producción: Contribución a una revistaArtículorevisión exhaustiva

Resumen

Dental caries is an infectious process that results in tooth decay, where Streptococcus mutans is considered the main causing agent. An alternative which might prevent or control this disease is to identify microorganisms with S. mutans antagonistic potential. This study, encompassed within an Oral Microbial Ecology approach had as an objective to identify Streptococcus salivarius, Streptococcus oralis and Streptococcus dentisani strains with S. mutans antagonistic activity. Saliva samples were collected from 36 children without tooth decay and cultured on Lamb's Blood Agar and Mitis Salivarius Agar. After incubation at 37 ºC under aerobic atmosphere for 48 hours, S. salivarius, S. oralis and S. dentisani confirmed colonies were subjected to biochemical tests. To determine the antagonistic effect the double layer in agar technique was employed. Sixteen, 17 and 14 strains of S. salivarius, S. oralis and S. dentisani were identified representing a frequency of 44.4% (16/36), 47.2% (17/36) and 38.9% (14 / 36), respectively. S. salivarius, S. oralis and S. dentisani presented different modes of antagonistic action on S. mutans with inhibition halos from 6 to 15 mm. Only two strains, one from S. oralis and the other from S. dentisani, demonstrated complete antagonistic activity (100%) on the 12 S. mutans indicator strains. In conclusion, in the present study, 16, 17 and 14 strains of S. salivarius, S. oralis and S. dentisani, respectively with great antagonistic potential on different biotypes of S. mutans strains were identified, which after further characterization could be employed in strategies for the prevention or control of dental caries and other infections.

Idioma originalInglés
Páginas (desde-hasta)1074-1084
Número de páginas11
PublicaciónPharmacologyonline
Volumen3
EstadoPublicada - 30 dic. 2021

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