Amoxycillin causes an enhanced uptake of metronidazole in Actinobacillus actinomycetemcomitans: a mechanism of synergy.
We investigated the influence of sub-inhibitory concentrations amoxycillin on metronidazole uptake of the metronidazole-susceptible facultative microorganism Actinobacillus actinomycetemcomitans. The rate of metronidazole uptake by bacterial cells simultaneously incubated with amoxycillin was higher than uptake in cells incubated with metronidazole alone. This phenomenon may explain the recently reported in-vitro synergic interaction between metronidazole and amoxycillin against A. actinomycetemcomitans.
Pavicić
M J
MJ
Department of Oral Microbiology, Academic Centre for Dentistry Amsterdam, The Netherlands.
van Winkelhoff
A J
AJ
Pavicić-Temming
Y A
YA
de Graaff
J
J
D016976:Aggregatibacter actinomycetemcomitans / Q000378:metabolism*; D000658:Amoxicillin / Q000494:pharmacology*; D004357:Drug Synergism; D008795:Metronidazole / Q000493:pharmacokinetics*
D008795:Metronidazole; D000658:Amoxicillin