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Journal of Clinical Microbiology logoLink to Journal of Clinical Microbiology
. 1985 Aug;22(2):212–215. doi: 10.1128/jcm.22.2.212-215.1985

Antimicrobial susceptibility testing of Francisella tularensis with a modified Mueller-Hinton broth.

C N Baker, D G Hollis, C Thornsberry
PMCID: PMC268361  PMID: 4031036

Abstract

A modified Mueller-Hinton broth was developed to perform antimicrobial susceptibility tests on Francisella tularensis. Adequate growth of the organism was obtained within 24 h of inoculation, and MICs could be read at that time. We tested 15 selected strains of F. tularensis and five reference quality control strains in this medium with 36 antimicrobial agents. The MICs of the aminoglycosides and tetracycline increased 1 to 3 dilutions in this medium compared with those in the usual medium, but the other antimicrobial agents were not consistently affected by the medium. Even though the medium caused an increase in MICs, the aminoglycosides and tetracyclines remained very active in vitro against F. tularensis. Other antimicrobial agents effective in vitro were chloramphenicol, erythromycin, ceftazidime, moxalactam, cefotaxime, ceftriaxone, and Sch 29482 (a cephalosporin).

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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