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Moreira Júnior G, Ribeiro Sobrinho AP, Bambirra BH, et al. Synergistic growth effect among bacteria recovered from root canal infections. Braz J Microbiol. 2011;42(3):973-9doi: 10.1590/S1517-838220110003000017.
Moreira Júnior, G., Ribeiro Sobrinho, A. P., Bambirra, B. H., Bambirra, F. H., Carvalho, M. A., Farias, L. M., Nicoli, J. R., & Moreira, E. S. (2011). Synergistic growth effect among bacteria recovered from root canal infections. Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology], 42(3), 973-9. https://doi.org/10.1590/S1517-838220110003000017
Moreira Júnior, Gil, et al. "Synergistic growth effect among bacteria recovered from root canal infections." Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] vol. 42,3 (2011): 973-9. doi: https://doi.org/10.1590/S1517-838220110003000017
Moreira Júnior G, Ribeiro Sobrinho AP, Bambirra BH, Bambirra FH, Carvalho MA, Farias LM, Nicoli JR, Moreira ES. Synergistic growth effect among bacteria recovered from root canal infections. Braz J Microbiol. 2011 Jul;42(3):973-9. doi: 10.1590/S1517-838220110003000017. Epub 2011 Sep 01. PMID: 24031714; PMCID: PMC3768796.
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Braz J Microbiol. 2011 Jul;42(3):973-9. doi: 10.1590/S1517-838220110003000017. Epub 2011 Sep 01.

Synergistic growth effect among bacteria recovered from root canal infections.

Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]

Gil Moreira Júnior, Antônio Paulino Ribeiro Sobrinho, Bernardo Henrique Silva Bambirra, Felipe Henrique Silva Bambirra, Maria Auxiliadora Roque Carvalho, Luiz Macedo Farias, Jacques Robert Nicoli, Elizabeth Spangler Moreira

Affiliations

  1. Faculdade de Odontologia, Universidade de Itaúna , Itaúna, MG , Brasil.

PMID: 24031714 PMCID: PMC3768796 DOI: 10.1590/S1517-838220110003000017

Abstract

The objective of this study was to determine the ecological relationships between bacterial species that colonize infected root canals. Root canal bacteria recovered from one patient with pulp canal necrosis were evaluated in vitro for synergistic and antagonistic activities determined by mono and co-culture growth kinetics and the production of bacteriocin-like substances using the double layer diffusion method. Peptostreptococcus prevotii triggered a significant increase of Fusobacterium nucleatum growth, while the former bacteria did not affect the growth of P. prevotii. The bacterial species did not produce antagonism activity against itself or against any of the other two species. Despite many studies have demonstrated the capability of root canal microorganisms to produce antagonistic substances, these in vitro experimental tests show the synergistic effect of P. prevotii on the growth of F. nucleatum.

Keywords: Root canal; bacterial relationships; infection

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