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. Author manuscript; available in PMC: 2021 Oct 21.
Published in final edited form as: Mol Microbiol. 2021 Jul 12;116(3):877–889. doi: 10.1111/mmi.14777

FIGURE 7.

FIGURE 7

galK2(Oc) reversion papillation assay of R391, or R391 ΔcroS strains.

R391, or R391 ΔcroS were moved into MVG114 by conjugal transfer. Cells were plated onto MacConkey-galactose agar media and grown for 8 days at 37°C. Pictures of representative colonies from each strain were taken showing the appearance of Gal+ papillae indicating the level of mutagenesis occurring within the colonies. The MVG114/R391 ΔcroS colonies contain approximately 10 −50 times the number of revertant papillae, when compared to the MVG114/R391 colonies.