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. 2010 Mar 16;5(3):e9724. doi: 10.1371/journal.pone.0009724

Table 1. Transformation efficiency of tested strains using LB culture medium.

Strain Transformants/106 cellsa at [IPTG]
0 µM 200 µM 1000 µM
168 wt 0.6 - -
168-pLK 9.8 16.3 8.7
NCIB3610-pLK <0.01 - 2.8
JW49-pLK <0.01 - 0.35
a

At the time of plating, the 168 and 168-pLK culture contained 1.3*109 viable cells/ml, the NCIB3610-pLK culture contained 0.9*109 viable cells/ml, and the JW49 contained 1.0*109 viable cells/ml. For transformations 6 µg chromosomal DNA from strain JWV184 per ml culture was used. -  =  not tested.