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. 2021 Oct 12;11:20231. doi: 10.1038/s41598-021-99602-4

Figure 2.

Figure 2

Most phiEG37k phages exist in lysogenic cycle in the colonic ecosystem in SPF C57BL/6 mice. The characterization of the interaction of phiEG37k phage and host E. gallinarum in the gut ecosystem was investigated. (a) Titers of E. gallinarum (left panel) and phiEG37k (right panel) in feces in steady state (SS) or DSS colitis (DSS). (b) Correlation curve of E. gallinarum titer versus phiEG37k titer in feces. n = 10. (c) PCR analyses of picked colonies of E. gallinarum isolated from feces of C57BL/6 mice in steady state by phiEG37k-specific primer. (d) Titer of phiEG37k phage particles in supernatant of individual cultures of different E. gallinarum colonies in c in the absence or presence of mitomycin C. (e) Spot assays of phiEG37k against individual clones in (d). ND; not detected. Two-tailed unpaired t-test P values are presented.