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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