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Frequencies of lactose-fermenting (Lac+) recombinants of E. coli strain JC14604 cells containing expression plasmids bearing E. coli, L. biflexa, B. burgdorferi, and B. hermsii recA genes
| Plasmid | recA gene | Frequency of Lac+ colonies (10−8) (95% CI)a |
|---|---|---|
| pBluescript | None | <0.006 |
| pEc:recA | E. coli | 48 (42-55) |
| pLb:recA | L. biflexa | 5.9 (5.6-6.2) |
| pBb:recA | B. burgdorferi | 2.3 (2.1-2.5) |
| pBh:recA | B. hermsii | 2.6 (2.4-2.8) |
95% CI, 95% confidence interval.
