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Broth Microdilution In Vitro Screening: An Easy and Fast Method to Detect New Antifungal Compounds
Published on: February 14, 2018
Growth in Stewart's medium is a simple, rapid and inexpensive screening tool for the identification of Burkholderia
Elke Vanlaere1, Faiza Hansraj, Peter A R Vandamme
1Laboratory of Microbiology, Gent University, 9000 Gent, Belgium.
Abstract:
Ninety-one percent of Burkholderia cepacia complex reference strains (66 out of 72) displayed a yellow slope-green butt colour reaction after growth in Stewart's medium indicating the oxidation of glucose and the absence of an arginine dihydrolase system. This same colour reaction was observed for Burkholderia gladioli and several Ralstonia species, but not for Pseudomonas aeruginosa, Stenotrophomonas, Achromobacter, Pandoraea and several other Gram-negative non-fermenting bacilli. We therefore consider growth in Stewart's medium a useful, simple, rapid and inexpensive screening test to reduce the number of false positive isolates from B. cepacia complex selective media.
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