TABLE 3.
MICs and MBCs of bacteria isolated from a domestic drain biofilm before and after chronic CHX exposurea
| Strain | MIC (μg ml−1)
|
MBC (μg ml−1)
|
||||
|---|---|---|---|---|---|---|
| Before treatment | P7 | P14 | Before treatment | P7 | P14 | |
| Achromobacter xylosoxidans MBRG 4.31 | 15.6 | 31.2 | 31.2 | 166 (18) | 41.6 (36) | 31.2 |
| Aeromonas hydrophila MBRG 4.3 | 31.2 | 15.6 | 15.6 | 31.2 | 15.6 | 31.2 |
| Aeromonas jandaei MBRG 9.11 | 7.8 | 15.6 | 15.6 | 36.4(23) | 31.2 | 15.6 |
| Aranicola proteolyticus MBRG 9.12 | 7.8 | 62.5 | 125 | 52 (36) | 125 | 250 |
| Bacillus cereus MBRG 4.21 | 1.9 | 1.9 | 1.9 | 7.8 | 7.8 | 7.8 |
| Chryseobacterium indologenes SB1 MBRG 9.15 | 26 (18) | 31.2 | 31.2 | 20.5 (18) | 31.2 | 31.2 |
| Chryseobacterium sp. strain FR2 MBRG 9.17 | 3.9 | 7.8 | 7.8 | 20.8 (9) | 41.6 (36) | 31.2 |
| Citrobacter sp. strain MBRG 9.18 | 3.9 | 1.9 | 1.9 | 20.8 (9) | 20.8 (9) | 20 (18) |
| Enterococcus saccharolyticus MBRG 9.16 | 7.8 | 1.9 | 1.9 | 62.5 | 15.6 | 15.6 |
| Eubacterium strain MBRG 4.14 | 31.2 | 31.2 | 31.2 | 41.6 (36) | 31.2 | 31.2 |
| Halonella gallinarum MBRG 4.27 | 15.6 | 31.2 | 31.2 | 15.6 | 31.2 | 125 |
| Microbacterium phyllosphaerae MBRG 4.30 | 15.6 | 15.6 | 15.6 | 15.6 | 31.2 | 31.2 |
| Pseudomonas nitroreductans MBRG 4.6 | 15.6 | 3.9 | 3.9 | 15.6 | 5.2 (4.5) | 20 (18) |
| Pseudomonas sp. strain MBRG 9.14 | 1.9 | 7.8 | 15.6 | 20.8 (9) | 26 (18) | 31.2 |
| Pseudoxanthomonas sp. strain MBRG 9.20 | 62.5 | 0.97 | 0.97 | 62.5 | 0.97 | 7.8 |
| Ralstonia sp. strain U2 MBRG 4.13 | 7.8 | 31.2 | 167 (72) | 7.8 | 62.5 | 125 |
| Sphingobacterium multivorum MBRG 9.19 | 20.8 (9) | 15.6 | 15.6 | 15.6 | 15.6 | 62.5 |
| Stenotrophomonas maltophilia MBRG 9.13 | 15.6 | 62.5 | 62.5 | 62.5 | 166 (72) | 166 (144) |
a
For an explanation of the data, see the footnote to Table 1.