TABLE 3.
Levels of PA expression from recombinant anthrax strains
| Strain (plasmid) | Parenta | Amt (μg/ml)b |
|---|---|---|
| ΔANR(pPA102) | pUB110 | 49.2 ± 21.7 |
| ΔSterne(pPA102) | pUB110 | 54.9 ± 16.7 |
| ΔANR(pJB1) | pC194 | 2.74 ± 0.52 |
| ΔSterne(pJB1) | pC194 | 2.34 ± 0.65 |
| ΔSterne(pJB2) | pUB110 | 21.4 ± 3.1 |
| ΔANR(pJB3) | pUB110 | 6.35 ± 0.82 |
| ΔSterne(pJB3) | pUB110 | 7.06 ± 1.17 |
a
Parent plasmid of the shuttle vector that directs plasmid replication and drug resistance in the B. anthracis host.
b
Results are the mean ± the standard error of the mean of three or four experiments measuring PA release into the culture supernatant during a 16-h incubation.