Table 4 Minimum inhibitory concentrations (MICs) of trimethoprim (µg/mL) in E. coli DH5αa and S. maltophilia clinical isolates expressing AXL1 dhfr in the presence of 32 µg/mL sulfamethoxazole.

From: Characterization of Stenotrophomonas maltophilia phage AXL1 as a member of the genus Pamexvirus encoding resistance to trimethoprim–sulfamethoxazole

Strain

MIC

Fold increase

 + pBBR1MCS

 + pAXL1dhfr

E. coli DH5αa

 < 1

 > 256

 > 256

D1585

512

512

0

D1571

2

128

64

280

128

 > 512

 > 4

SMDP92

128

 > 512

 > 4

ATCC13637

32

256

8

  1. aTrimethoprim MIC determined without added sulfamethoxazole.