Table 1. Effect of Different Concentrations (0–1000 μg mL–1) of Ag-NPs on Biofilm Development and Its Related Activities of Bacillus mojavensis BZ-13 Strains under in vitro Conditionsa.
Ag-NPs (μg mL–1) | biofilm development | EPS production (μg mL–1) | production of alginate (μg mL–1) | swarming motility (mm) | swimming motility (mm) | cell surface hydrophobicity (%) |
---|---|---|---|---|---|---|
0 | 0.53f ± 0.04 | 112g ± 7.7 | 87f ± 5.2 | 34d ± 3.6 | 30d ± 00 | 54e ± 3.8 |
25 | 0.57f ± 0.05 | 122f ± 3.4 | 91f ± 2.8 | 34d ± 0.7 | 32c ± 2.1 | 58e ± 2.3 |
50 | 0.63e ± 0.01 | 145e ± 6.8 | 98e ± 1.7 | 36c ± 2.7 | 33c ± 4.5 | 62d ± 4.7 |
100 | 0.72d ± 0.08 | 167d ± 11.2 | 106d ± 4.5 | 37c ± 2.2 | 37b ± 2.2 | 67d ± 7.2 |
250 | 0.82c ± 0.03 | 189c ± 8.2 | 118c ± 5.0 | 42b ± 5.3 | 38b ± 1.6 | 71c ± 5.2 |
750 | 0.93b ± 0.05 | 202b ± 7.1 | 134b ± 3.9 | 42b ± 4.4 | 40a ± 3.5 | 74b ± 3.1 |
1000 | 1.12a ± 0.02 | 219a ± 5.4 | 168a ± 2.6 | 45a ± 3.2 | 40a ± 5.2 | 84a ± 7.2 |
Each value is the mean of five replicates (n = 5). Mean values are significant at p ≤ 0.05. Means followed by different letters are significantly different from each other according to the DMRT test.