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Table 4 Accumulation of organic solvents in E. coli cells in a two-phase system

From: Contributions of mutations in acrR and marR genes to organic solvent tolerance in Escherichia coli

Strain    
  n-Heptane n-Hexane Cyclohexane
JA300 0.060 ± 0.002 0.54 ± 0.01 1.3 ± 0.1
JA300 acrR IS 0.051 ± 0.037 NDb 1.2 ± 0.1
JA300 marR 0.049 ± 0.010 NDb 1.0 ± 0.1
JA300 acrR IS marR 0.0010 ± 0.0006 0.10 ± 0.01 0.29 ± 0.01
CH7 0.0033 ± 0.0002 0.11 ± 0.01 0.39 ± 0.01
  1. aE. coli strains grown in LBGMg medium were exposed to organic solvents in the two-phase system and incubated for 30 min as described in Materials and Methods. Values indicate means of results and standard deviations of results from three independent experiments.
  2. bND, not determined.