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. 2019 Nov 5;7(11):529. doi: 10.3390/microorganisms7110529

Figure 2.

Figure 2

Three-dimensional projections of structures of biofilms obtained from one-micron optical sections on the z-axis acquired through confocal laser scanning microscopy. These images represent an overhead view of the biofilms formed by 20 strains of Listeria monocytogenes, with virtual projection of shadows to the right. Each square represented had length of side of 119 μm. Strains: 1 (serotype 1/2a), 2 (1/2a), 3 (1/2b), 4 (1/2b), 5 (1/2c), 6 (1/2c), 7 (3a), 8 (3b), 9 (3b), 10 (3c), 11 (3c), 12 (4a), 13 (4a), 14 (4b), 15 (4b), 16 (4b), 17 (4b), 18 (4c), 19 (4d), 20 (4d).