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. 2018 Nov 13;8:16742. doi: 10.1038/s41598-018-34918-2

Figure 4.

Figure 4

(A) Diagram of the ɸSa2mw genome with the cloned regions marked. (B) β-lactamase activity assay of the derivative pGTM3 (pCU1_Pcad) with different regions of φSa2mw in GTM754 (RN4220 φSa2mw pGTM2) strains. (C) Southern blot of GTM805 containing SaPImw2 and complemented with a plasmid overexpressing DUF313ɸSa2mw. One millilitre of the culture was collected after 2 h of induction with 2 μM of CdCl2. The lower band corresponds to CCC because there was no helper phage present. Southern blot was performed with the wild-type strains (GTM750 and GTM753) and the DUF3113 mutant deletion in MW2 (GTM756) and GTM753 (GTM757). Both Southern blots were hybridised with a SaPI integrase type III probe.