Table 1. Strains used.

Stock #	Name	Resistance Markers	Reference
RR722	Rd-RR	none	[38]
RR666	MAP7	Nov Nal Str Kan Spc Vio	[35]
RR1350	86-028NP	none	[39]
RR3131	NP-NN	Nov Nal	This work
RR3135	Nov1	Nov	This work
RR3136	Nov2	Nov	This work
RR3137	Nal1	Nal	This work
RR3138	Nal2	Nal	This work