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. 2025 Aug 12;8:1632344. doi: 10.3389/frai.2025.1632344

Figure 2.

Microscopic images displaying bacterial microcolonies under different imaging conditions. Rows represent PC domain, BF domain, 20× domain, and 20x-5h domain. Columns are labeled Bc, Bs, Ec, Li, SE, and ST, showing variations in colony morphology and density across different growth conditions and species.

Example of bacterial microcolony images across domains. Columns represent different bacterial species, including Bacillus coagulans (Bc), Bacillus subtilis (Bs), Listeria innocua (Li), Escherichia coli (Ec), Salmonella Enteritidis (SE), Salmonella Typhimurium (ST). Rows represent domains with different laboratory conditions, as detailed in Table 1.