TABLE 1

Serratia marcescens ATCC 43862 and Bordetella holmesii ID105094 and ID105268 detection using the BacT/Alert 3D automated culture system in PCs spiked with 1 or 10 CFU/ml

Bacterial concn in inoculate (CFU/ml)Day of samplingNo. detected/total no. of bacteria (time [h] elapsed before detection) (avg ± SD)
S. marcescens ATCC 43862B. holmesii ID105094B. holmesii ID105268
123/3 (7.2 ± 0.2)0/31/3 (86.4)a
33/3 (3.7 ± 0.1)1/3 (86.4)a0/3
43/3 (3.8 ± 0.1)0/30/3
73/3 (3.7 ± 0.0)1/3 (67.2)a0/3
1023/3 (5.2 ± 0.8)3/3 (80.8 ± 2.8)a2/3 (73.2 ± 1.7)a
33/3 (3.2 ± 1.0)0/30/3
43/3 (3.8 ± 0.1)0/31/3 (76.8)a
73/3 (3.7 ± 0.0)0/30/3
  • a The identity of the bacteria has not been confirmed by an independent laboratory.