TABLE 1.

Stenotrophomonas strains used in this work and host ranges of phages S1, S3, and S4

Strain	Origin	Original species identification	Species classification after PCR genotyping (if different)	Other relevant feature(s)	Susceptibilitya to phage:
					S1	S3	S4
CECT 112	Clinical sample	S. maltophilia					+
CECT 113	Clinical sample	S. maltophilia
CECT 114	Unknown	S. maltophilia					+
CECT 115	Oropharyngeal sample	S. maltophilia (type strain)
CECT 757	Sample from an infected monkey	Burkholderia pseudomallei	S. maltophilia				+
CECT 4793	Water	S. maltophilia		Source of S1			+
CECT 4091	Forest soil	Burkholderia cepacia	S. maltophilia
CECT 5308	Vinegar	S. africana (type strain)	S. maltophilia			+	+
A1	Sputum	S. maltophilia		Standard strain for propagation of S1	+	+
46021	Sputum	S. maltophilia				+	+
C048	Urine	S. maltophilia					+
D388	Urine	S. maltophilia				+	+
D457	Bronchial aspirate	S. maltophilia			+	+	+
E301	Urine	S. maltophilia			+	+	+
E539	Pus from a wound	S. maltophilia		Source of S2; standard strain for propagation of S3		+	+
E729	Urine	S. maltophilia
E759	Sputum	S. maltophilia
E923	Sputum	S. maltophilia				+	+
E999	Respiratory secretion	S. maltophilia		Host of S2		+	+
F227	Blood	S. maltophilia		Standard strain for propagation of S4		+	+
F375	Blood	S. maltophilia			+		+
F861	Sputum	S. maltophilia				+	+
G51	Blood	S. maltophilia					+
C357	Urine	S. maltophilia
5123-Z	Sputum	S. maltophilia				+	+
Ps6	Burn specimen	Pseudomonas aeruginosa	S. maltophilia

^a+ indicates susceptibility.