Synergistic growth effect among bacteria recovered from root canal infections
Braz. j. microbiol
; Braz. j. microbiol;42(3): 973-979, July-Sept. 2011. ilus, tab
Article
em En
| LILACS
| ID: lil-607527
Biblioteca responsável:
BR32.1
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.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Peptostreptococcus
/
Tecido Periapical
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Técnicas In Vitro
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Infecções por Bactérias Gram-Positivas
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Fusobacterium nucleatum
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Cavidade Pulpar
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Endodontia
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Infecções por Fusobacterium
Tipo de estudo:
Evaluation_studies
Limite:
Humans
Idioma:
En
Revista:
Braz J Microbiol
/
Braz. j. microbiol
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Braz. j. microbiol. (Online)
/
Brazilian journal of microbiology (Impresso)
Assunto da revista:
MICROBIOLOGIA
Ano de publicação:
2011
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil