TABLE 2.

Drug susceptibilities of constructed strains

StrainIPTGaMIC (μg/ml) ofb:
ERYNBDOXCVEtBrSDSDOCBENR6G
ΔacrBΔevgAS/pUC1942NDcNDND62.52,000ND8
ΔacrBΔevgAS/pUCevgA648NDNDND>16,000>32,000ND128
ΔacrBΔevgAS/pQEevgA42NDNDND62.52,000ND8
ΔacrBΔevgAS/pQEevgA+648NDNDND>16,000>32,000ND128
ΔacrB8241161254,00048
ΔacrBΔyhiUV4221161252,00044
ΔacrBΔemrKY8241161254,00048
ΔacrBΔyhiUVΔemrKY4221161252,00044
ΔacrB/pUCevgA648>128464>16,000>32,00016256
ΔacrBΔyhiUV/pUCevgA4221161254,00044
ΔacrBΔemrKY/pUCevgA648>128464>16,000>32,00016256
ΔacrBΔyhiUVΔemrKY/pUCevgA4221161254,00044
  • a MICs were determined in the absence (−) or presence (+) of 1 mM IPTG.

  • b ERY, erythromycin; NB, novobiocin; DOX, doxorubicin; CV, crystal violet; EtBr, ethidium bromide; DOC, deoxycholate; BEN, benzalkonium; R6G, rhodamine 6G.

  • c ND, not determined.