TABLE 5.

Comparison of cell wall thicknesses among VRSA strains and their derivatives

StrainMean cell wall thickness (nm ± SD)a
Parental strainPassage-derived strainResistant mutant strain
Mu5035.02 ± 4.0124.45 ± 7.8034.19 ± 4.96
MI32.03 ± 3.6024.13 ± 5.5432.03 ± 6.75
NJ34.52 ± 4.5521.32 ± 5.6428.83 ± 2.83
PC32.42 ± 3.8222.07 ± 6.5531.85 ± 7.47
IL30.27 ± 4.0420.93 ± 6.0630.05 ± 4.24
AMC1109434.57 ± 4.8224.04 ± 4.4332.35 ± 4.95
99/3759-V27.27 ± 3.4421.13 ± 7.81NDb
99/3700-W29.42 ± 3.4321.08 ± 6.11ND
9814127.12 ± 3.1821.46 ± 5.82ND
LIM231.43 ± 6.0222.12 ± 6.7929.80 ± 4.81
2816027.65 ± 3.4520.62 ± 5.47ND
BR134.92 ± 7.1820.67 ± 5.6934.84 ± 5.47
BR231.04 ± 3.9323.88 ± 4.56
BR331.45 ± 3.8221.05 ± 7.8530.14 ± 3.91
BR430.77 ± 4.6220.75 ± 5.95ND
BR5-131.72 ± 3.8520.55 ± 6.34ND
Mu326.53 ± 4.80
H125.99 ± 2.26
FDA209P22.78 ± 1.85
N31521.46 ± 2.25
ATCC 2921321.08 ± 1.76
BR1824.26 ± 3.96
BR2224.57 ± 3.08
  • a Morphometric evaluation of cell wall thickness was performed by using photographs of transmission electron mycroscopy images obtained at a final magnification of of ×30,000.

  • b ND, not done.