The Environmental Biotechnology Lab

Extreme Microbiology There was a mistake in Figure 2 as published. The sample numbers/location Y1, Y2, Y3, and Y4 were missing from the upper section of Figure 2. The corrected Figure 2, with the sample numbers Y1, Y2, Y3, and Y4, appears below. Sampling site: the “Sgraffito” wall art and the adjacent concrete wall, indicating the positions of sampling points Y1-Y8 (above), together with close-up photographs of the samples collected in this study (at the lower portion of the figure). The original version of this article has been updated.