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. 2007 May 4;189(13):4784–4790. doi: 10.1128/JB.00452-07

FIG. 2.

FIG. 2.

ΔsbcCD and ΔpolX deletions are additive and confer increased sensitivity to γ-irradiation. (A) Bacterial strains GY12936 (wild type/p11520, filled squares), GY12923 (ΔsbcCD/p11520, filled circles), GY12924 (ΔsbcCD ΔpolXDr/p11520, filled diamonds), and GY12926 (ΔsbcCD ΔpolXDr/p13002 sbcCD+, filled triangles) and (B) GY12937 (wild type/p11559, squares), GY12931 (ΔpolXDr/p11559, circles), GY12925 (ΔsbcCD ΔpolXDr/p11559, diamonds), GY12930 (ΔsbcCD ΔpolXDr/p13008, polXDr, triangles), and GY12929 (ΔsbcCD ΔpolXDr/p13007 polXc, inverted triangles) grown to an A650 of 1.5 were exposed to γ-irradiation at doses indicated on the abscissa, and cell survival was measured as described in Materials and Methods.