Enterococcus faecium

<i>Enterococcus faecium</i>
Fig. 190:6. Close up of colonies of Enterococcus faecium, strain VRE 300/04, cultivated aerobically during 48 h on SlaBa agar with vancomycin at 37°C. The total length of the scale bar is equivalent to 3 mm. Slanetz-Bartley agar contains, among other things, tetrazolium chloride, which is reduced to insoluble formazon (cerise red colour) by enterococci. Note also the precipitation zone around the colonies.

Credit: Karl-Erik Johansson (BVF, SLU & SVA) & Oskar Nilsson (SVA).

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