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. 2019 May 28;5:29. doi: 10.1038/s41421-019-0101-2

Fig. 3. Effect of AimR mutations on DNA binding and infection dynamics of SPbeta phage.

Fig. 3

a DNA-binding activities of wild-type AimR and AimR mutants were examined. The AimR concentrations in lanes 1–5 were 0, 0.008, 0.04, 0.2, and 1 μM, respectively. The concentration of the 31 bp DNA fragment was 20 nM. The arbitrium peptide (GMPRGA) and an unrelated peptide (GFGHGA) were added as controls. AimR–DNA complex is indicated by a black arrowhead, and free DNA is indicated by a black asterisk. b Effect of AimR mutations on the infection dynamics of SPbeta. Growth curves of B. subtilis strain CU1065 infected with SPbeta, or that of B. subtilis strain CU1065 (amyE::aimR WT, K29D, N30A, N32A, K43D, T44D, N46D, K77D, T78D, K79D, R82D, N109D, K145D, or K120D) infected with SPbeta ΔaimR at MOI = 0.001. Data represent an average of three biological replicates, and each with three technical replicates. Error bars indicate the s.d. of at least three independent measurements (the points are the mean)