PsiB polypeptide prevents activation of
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Bailone, Adriana ;BΓ€ckman, Assar ;Sommer, Suzanne ;CΓ©lΓ©rier, JΓ©rome ;Bagdasarian
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Article
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1988
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Springer
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English
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We further characterize a novel plasmid function preventing SOS induction called Psi (Plasmid SOS Inhibition). We show that Psi function is expressed by psiB, a gene located at coordinate 54.9 of plasmid R6-5 and near oriT, the origin of conjugal transfer. Deletions and amber mutations of the psiB g