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Table 2 Microbial adhesion inhibition in the microtiter plate by purified pseudofactin II.

From: Antiadhesive activity of the biosurfactant pseudofactin II secreted by the Arctic bacterium Pseudomonas fluorescensBD5

Microorganism Microbial adhesion inhibition (%)
  Pseudofactin II concentration (mg/ml) Control (PBS)
  0.500 0.35 0.250 0.200 0.150 0.075 0.035 0
Escherichia coli ATCC 25922 66 ± 0.13 65 ± 0.13 65 ± 0.07 64 ± 0.07 62 ± 0.07 58 ± 0.07 55 ± 0.20 0
Escherichia coli ATCC 10536 80 ± 0.13 80 ± 0.13 80 ± 0.13 77 ± 0.13 72 ± 0.13 65 ± 0.07 39 ± 0.13 0
Escherichia coli 17-2 72 ± 0.33 71 ± 0.13 71 ± 0.13 69 ± 0.13 68 ± 0.07 64 ± 0.07 64 ± 0.13 0
Enterococcus faecalis ATCC 29212 70 ± 0.20 68 ± 0.20 68 ± 0.13 57 ± 0.13 55 ± 0.07 54 ± 0.07 42 ± 0.13 0
Enterococcus faecalis JA/3 36 ± 0.13 36 ± 0.13 34 ± 0.13 31 ± 0.13 22 ± 0.13 18 ± 0.20 15 ± 0.07 0
Enterococcus hirae ATCC 10541 71 ± 0.07 71 ± 0.20 71 ± 0.20 67 ± 0.20 66 ± 0.13 61 ± 0.07 58 ± 0.13 0
Staphylococcus epidermidis KCTC 1917 55 ± 0.13 45 ± 0.07 45 ± 0.07 33 ± 0.13 32 ± 0.07 31 ± 0.13 29 ± 0.13 0
Proteus mirabilis ATCC 21100 90 ± 0.20 90 ± 0.33 90 ± 0.33 89 ± 0.13 87 ± 0.07 85 ± 0.20 84 ± 0.20 0
Candida albicans ATCC 20231 92 ± 0.07 89 ± 0.07 81 ± 0.07 71 ± 0.13 68 ± 0.07 47 ± 0.20 45 ± 0.20 0
Candida albicans SC5314 99 ± 0.07 98 ± 0.07 98 ± 0.07 97 ± 0.07 96 ± 0.07 88 ± 0.07 87 ± 0.07 0
  1. PBS was used as control and set at 0% as no microbial inhibition occurs. Values ± confidence interval, n = 9