Figure 2.

uPVC coupon covered with a mono and dual-species L. pneumophila biofilm. Microphotograph of an uPVC coupon visualized under EDIC microscopy covered with a 32 days-old biofilm formed by L. pneumophila (a) and L. pneumophila and Sphingomonas sp. (b). The black arrow indicates individual cells attached to the uPVC surface and white arrow indicates a microcolony. Bars represent 20 μm.

Gião et al. BMC Microbiology 2011 11:57   doi:10.1186/1471-2180-11-57
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