TABLE 1.

The various strains used in this study and lytic activity of JDlys and CPP-JDlys

Species	Strain	MLST type	MIC (μg/ml)				Sourcea
			Jdlys	CPPTat-JDlys	CPPAnt-JDlys	CPPTP10-JDlys
Methicillin-resistant Staphylococcus aureus	USA300	STb 8	20	40	160	160	III
	MS5	ST 5	10	10	160	160	I
	MS6	ST 5	20	40	320	320	I
	MS8	ST 9	20	20	—c	320	I
	MS10	ST 239	80	80	—	—	I
	MS11	ST 9	20	40	320	320	I
	MS15	ST 5	20	40	320	160	I
	MS16	ST 9	20	40	320	320	I
	MS17	ST 398	80	80	—	—	I
	MS19	ST 9	10	20	320	320	I
	MS20	ST 398	20	20	—	160	I
	MS21	ST 398	20	40	—	—	I
Methicillin-susceptible Staphylococcus aureus	ATCC 25923	ST 243	20	40	160	160	III
	ATCC 29213	ST 5	40	40	320	320	III
	S1	ST 398	80	80	—	—	I
	S2	ST 239	20	20	160	160	I
	S4	ST 239	20	20	320	160	I
	S5	ST 398	10	20	160	160	I
	SH-5	ST 9	20	20	320	160	II
	SH-6	ST 9	40	40	—	320	II
Staphylococcus sciuri	Sci-3		40	40	320	320	II
Staphylococcus saprophyticus	Sap-1		40	80	—	—	II
Staphylococcus caseolyticus	Cas-1		80	80	320	320	II

^aI, clinically isolated pathogenic strains; II, strains isolated from milk samples of dairy cows with mastitis; III, purchased from the American Type Culture Collection.

^bST, sequence type.

^c—, no antimicrobial activity.