Figure 4: The image on the left shows dark enterococci colonies observed in the presence of TTC. The image in the middle shows well-defined fluorescent spots obtained on Slanetz-Bartley without TTC. The colour change is maintained after re-incubation on Slanetz-Bartley with TTC (image on the right). Enteroccoi, 37°C, Slanetz-Bartley with TTC and without TTC.
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