Table 3.

Effect of genomic DNA source on the efficiency of amplification of SSU rDNA by PCR

Sources of genomic DNAs comparedAvg slope of curves for CTvs log no. of gene copiesFa
E. coli −3.5300.037
B. subtilis −3.564
E. coli −3.5301.231
D. radiodurans −3.421
B. subtilis −3.5640.819
D. radiodurans −3.421
  • a F values, determined by analysis of variance, are for comparisons of the sets of organisms listed at left. The critical F value (at an α of 0.05) for all comparisons was 7.708.