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ToxI antitoxins are selective for their cognate toxin. (A) Schematic of the toxINPa and toxINBt loci with the antitoxin and toxin components indicated. (B) Counts of viable E. coli DH5α following induction of ToxNBt or ToxNPa expression together with either ToxIBt or ToxIPa. Results shown are mean and SD for three biological replicates.
