TABLE 2.

Bioprecipitation of uranium from 2 mM uranyl carbonate solution

Time (h)Mean uranium loss (% of input)a using:
Abiotic control treated in solution:Biotic controlTest sample
Without β-GPWith β-GPBSAR-1KN20E. coli BL21 + pET29bEK4BSAR-1KN20E. coli BL21 + pET29bEK4
01.111.104.034.483.343.170.110.000.166.88
11.111.114.595.855.136.573.020.420.2785.73
61.091.125.876.586.587.2090.661.070.7391.15
241.111.126.717.006.947.3992.895.653.5993.57
  • a The values are averages of three replicates wherein variation was less than 15%. Abiotic control, no added cells; biotic control, heat-treated cells; test sample, live cells.