TABLE 2.
Disinfectants MICs and MBCsa
| Strain | MIC |
MBC |
Genes related to disinfectant tolerance |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| μg/mL |
% |
μg/mL |
% |
|||||||||||
| BAC | CDG | ACR | Eth | SP | BAC | CDG | ACR | Eth | SP | qacA | qacB | qacJ | smr | |
| ATCC 25923 BK12 | 2 | 1 | 32 | 6.25 | 0.002 | 4 | 2 | 32 | 12.5 | 0.002 | ||||
| NRCS-A Outbreak | ||||||||||||||
| AD69 | 2 | 2 | 32 | 6.25 | 0.002 | 8 | 4 | 128 | 25 | 0.0039 | − | − | − | − |
| AV74 | 8 | 2 | 64 | 6.25 | 0.002 | 8 | 4 | 64 | 25 | 0.0039 | − | + | − | − |
| AW19 | 2 | 2 | 32 | 6.25 | 0.002 | 8 | 4 | 128 | 25 | 0.0039 | − | − | − | − |
| AW77 | 8 | 2 | 64 | 6.25 | 0.0039 | 16 | 4 | 128 | 25 | 0.0039 | + | − | − | − |
| BA22 | 4 | 1 | 8 | 12.5 | 0.002 | 4 | 2 | 32 | 25 | 0.0039 | − | − | − | − |
| BC08 | 2 | 2 | 32 | 6.25 | 0.002 | 8 | 2 | 64 | 25 | 0.002 | + | − | − | − |
| NRCS-A proto-outbreak II | ||||||||||||||
| AW20 | 4 | 2 | 32 | 6.25 | 0.002 | 8 | 2 | 128 | 25 | 0.002 | − | − | − | − |
| BC76 | 4 | 2 | 32 | 6.25 | 0.002 | 8 | 4 | 128 | 25 | 0.002 | − | − | − | − |
| BD01 | 2 | 2 | 32 | 6.25 | 0.002 | 8 | 2 | 128 | 25 | 0.002 | − | − | − | − |
| BD06 | 8 | 2 | 64 | 6.25 | 0.002 | 16 | 4 | 512 | 25 | 0.0039 | + | − | − | − |
| BI77 | 4 | 2 | 32 | 6.25 | 0.002 | 8 | 4 | 128 | 25 | 0.0039 | − | − | − | − |
| NRCS-A proto-outbreak I | ||||||||||||||
| AK81 | 4 | 2 | 32 | 6.25 | 0.002 | 8 | 2 | 64 | 25 | 0.0039 | − | + | − | − |
| BD62 | 8 | 2 | 32 | 6.25 | 0.002 | 16 | 2 | 64 | 25 | 0.0039 | + | − | + | + |
| BG77 | 1 | 1 | 16 | 6.25 | 0.002 | 8 | 2 | 32 | 25 | 0.002 | − | − | − | − |
| AL04 | 1 | 1 | 16 | 6.25 | 0.002 | 8 | 2 | 64 | 25 | 0.002 | − | − | − | − |
| BA10 | 0.5 | 0.5 | 8 | 12.5 | 0.001 | 8 | 2 | 64 | 25 | 0.0039 | + | − | − | + |
| Alpha clone | ||||||||||||||
| AY57 | 8 | 2 | 32 | 6.25 | 0.002 | 16 | 4 | 64 | 25 | 0.0039 | + | − | − | + |
| BD09 | 4 | 1 | 32 | 6.25 | 0.002 | 8 | 4 | 32 | 25 | 0.0039 | + | − | − | − |
| AX72 | 8 | 2 | 32 | 6.25 | 0.0039 | 16 | 2 | 64 | 25 | 0.0039 | + | − | − | − |
| AY24 | 8 | 2 | 64 | 6.25 | 0.0039 | 16 | 4 | 128 | 25 | 0.0039 | + | − | + | − |
| BD08 | 4 | 2 | 32 | 6.25 | 0.0039 | 8 | 2 | 64 | 25 | 0.0039 | + | − | − | − |
| Other strains | ||||||||||||||
| AW14 | 1 | 2 | 16 | 6.25 | 0.002 | 4 | 2 | 64 | 25 | 0.002 | − | − | − | − |
| BC70 | 4 | 2 | 32 | 6.25 | 0.002 | 4 | 4 | 128 | 25 | 0.0039 | − | − | + | − |
| BD28 | 8 | 1 | 32 | 6.25 | 0.002 | 16 | 2 | 64 | 25 | 0.002 | − | + | − | + |
| AY43 | 2 | 1 | 8 | 6.25 | 0.002 | 8 | 2 | 32 | 25 | 0.002 | − | − | − | + |
| BD18 | 8 | 2 | 64 | 6.25 | 0.0039 | 16 | 4 | 128 | 25 | 0.0039 | + | − | − | + |
a
For each disinfectant tested, the intensity of the grey increases with increases in the MIC and MBC values. BAC, benzalkonium chloride; CDG, chlorhexidine digluconate; ACR, acriflavine; Eth, ethanol; SP, Surfanios Premium.