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In Vitro Activities of Antibiotics Alone and in Combination against Brucella melitensis at Neutral and Acidic pHs
Author(s) -
Murat Akova,
Deniz Gür,
David M. Livermore,
Tanıl Kocagöz,
Halis Akalın
Publication year - 1999
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.43.5.1298
Subject(s) - brucella melitensis , doxycycline , streptomycin , azithromycin , microbiology and biotechnology , antibiotics , ofloxacin , brucella , brucellosis , chemistry , brucellaceae , antibacterial agent , pharmacology , biology , virology , ciprofloxacin
Brucellae survive acidic pHs in phagolysosomes. Azithromycin, streptomycin, and quinolones were active against Brucella melitensis at pH 7.0 but not at pH 5.0; rifampin and doxycycline retained activity at pH 5.0. Regardless of pH, azithromycin-rifampin and ofloxacin-rifampin showed less synergy than established streptomycin-doxycycline and rifampin-doxycycline combinations.

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