Raoult D, Roussellier P, Tamalet J. In vitro evaluation of josamycin, spiramycin, and erythromycin against Rickettsia rickettsii and R. conorii.
Antimicrob Agents Chemother 1988;
32:255-6. [PMID:
3129987 PMCID:
PMC172145 DOI:
10.1128/aac.32.2.255]
[Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The antimicrobial activities of josamycin, erythromycin, and spiramycin against Rickettsia conorii and R. rickettsii were evaluated in two tests: a dye-uptake assay and a plaque assay. The MIC of josamycin was 1 microgram/ml for both species; the MICs of erythromycin and spiramycin were 4 to 8 and 16 to 32 micrograms/ml, respectively, for both species. Only josamycin may be of clinical use in treating spotted fever rickettsiosis. It may be useful in treating pregnant women and young children.
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