TABLE 1

Antimicrobial susceptibilities of S. maltophilia KJ and its derived LT deletion mutants

StrainMIC (μg/ml)a
CHLNALTETAMKGENKANERYLMVAN
KJ wild type88161,0241,02425664256512
ΔmltA mutant841625625612832128256
ΔmltB1 mutant84166412864816128
ΔmltB2 mutant841625612812832256256
ΔmltD1 mutant8416128512128323264
ΔmltD2 mutant84161282561283232128
Δslt mutant881664128643264128
ΔmltD1 ΔmltB1 mutant8416256512643264128
ΔmltD1 ΔmltD2 mutant88161285121283264128
ΔmltD1 ΔmltB1 ΔmltD2 mutant881625651212832128128
  • a CHL, chloramphenicol; NAL, nalidixic acid; TET, tetracycline; AMK, amikacin; GEN, gentamicin; KAN, kanamycin; ERY, erythromycin; LM, leucomycin; VAN, vancomycin.