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. 2001 Jul;45(7):2001–2007. doi: 10.1128/AAC.45.7.2001-2007.2001

TABLE 3.

Effect of Ca2+ on susceptibility to gentamicin in various strains

Strain Description MIC of gentamicin (μg/ml) with Ca2+ at:
8 mM 2 mM 0.5 mM 0 mM
PAM1020 Wild type >16 8 1 0.25
PAM1032 nalB 16 4 1 0.25
PAM1154 PAM1020 oprM::ΩHg 0.5 0.13 0.13 0.13
PAM2378 PAM1020 mexX::Tn501 0.25 0.13 0.13 0.13
PAM1147 PAM1032 mxyR1 >16 16 8 2
PAM1660 PAM1147 oprM::ΩHg 0.5 0.25 0.13 0.13
PAM2381 PAM1147 mexX::Tn501 0.5 0.13 0.13 0.13