Table 8 Bacterial mechanisms of resistance to biocides
1 to other biocides - level of susceptibility defined according to the concentration of biocides
2 not to other biocide, but cross-resistance with specific antibiotics
|
|
Mechanisms
|
Nature
|
Level of susceptibility to other biocides
1
|
Cross-resistance
|
|
Permeability
|
intrinsic (acquired)
|
no
|
yes
|
|
Efflux
|
intrinsic/acquired
|
reduced
|
yes
|
|
Degradation
|
acquired/intrinsic
|
reduced
|
no
|
|
Mutation (target site)
|
acquired
|
reduced
|
no2
|
|
Phenotypic change
|
Following exposure
|
reduced
|
yes
|
|
Induction (stress response)
|
Following exposure
|
variable
|
yes
|
Source: SCENIHR, 
Assessment of the Antibiotic Resistance Effects of Biocides (2009), ,
Section 3.4.3.Mechanisms of resistance to biocides, p. 33
