Table 1.

Bacterial strains used in transduction experiments

NM+ number	Background*	Relevant genotype	Use
679	K-12	Δ(mcr hsd mrr)	Donor
840	K-12	Δ(hsdM-R)	Donor
854	K-12	Δ(hsdSM)hsd∷kan*	Donor
515	K-12	hsdSD	Donor
807	K-12	hsdSDhsdR	Donor
815	K-12	dnaC325 zjj∷Tn10	Recipient
814	K-12	hsdR dnaC325 zjj∷Tn10	Recipient
824	C	(hsdS+M+R−)†dnaC325 zjj∷Tn10	Recipient
827, 865	C	(hsd+)†dnaC325 zjj∷Tn10	Recipient
822, 866	C	(hsdS+M+R−)†dnaC325 zjj∷Tn10 hsdC	Recipient
839, 846	C	(hsd+)†dnaC325 zjj∷Tn10 hsdC	Recipient

^*See text for further details. 

^†hsd region from E. coli K-12.