Large scale containment
Large scale containment
Large scale containment
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B. Pertussis (Cm R ) Cm R ptx (S2…S5)<br />
S1*<br />
pSS4245::S1*<br />
ptx promoter<br />
I-SceI gene<br />
I-SceI site<br />
Cointegrate (Str R , Cm R )<br />
Str R active in B. pertussis, NOT in E. coli<br />
Conjugative transfer, Str selection,<br />
ptx repression<br />
Str R<br />
ptx induction<br />
DSB<br />
Cm R<br />
Cm R (~50%)<br />
Resolution<br />
S1*, Cm S (~50%)<br />
ptx (S1*…S5)