Fig. 2: Genes brxA, brxB, brxC, pglX and pglZ are required for Salmonella BREX defence.

Knock-out analysis of the Salmonella D23580 BREX phage defence island. a–l Growth of E. coli DH5α strains harbouring cloned pBrxXLSty WT and mutant plasmids, or pTRB507 control, in the absence or presence of phages TB34 and T7. Data shown are triplicate and error bars represent the standard deviation of the mean.