Table 2.

MICs for E. coli strains from the pre-antibiotic era

Murray no. MIC of:
Kanamycin (μg/ml)Ampicillin (μg/ml)Tetracycline (μg/ml)Chloramphenicol (μg/ml)Protamine (mg/ml)
2096231.2
125a 7>200215>3.0
12757230.9
14285210
16336110.8
17782130.9
22822000.8
25681100.8
26594140.8
29161220.7
29263131.0
29761110.8
331167020.8
38912111.2
40171120.8
427a312010.8
427b303010.8
42971120.8
60985251.1
611a385260.9
61347240.9
614130100
61593240.8
616137361.1
61731340.8
61888251.2
61976240.9
63396350.8
634512360.8
66374240.8
67901040.6
68207231.2
  • a Strain eliminated from the analysis (see text).