Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2007 by Universidad Católica de Valparaíso -- Chile
Vol. 10 No. 1, Issue of January 15, 2007
 

Table 1. Transformation rates of E. coli cells treated with different concentrations of ethanol. Results represent the average of three experiments.


Concentration of
ethanol in % (v/v)

Transformation rate
(No. of transformants per g of DNA)

0.0 (c)

1 X 104

5.0

1 X 107*a

7.5

1 X 107*a

10.0

1 X 1010*

12.5

1 X 106*

15.0

1 X 105*

*significant difference vs: c (0.0%) at P ≤ 0.05, a not significantly different (5.0 vs:7.5).


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