Effect of DNA superhelicity on transcrip
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Rosenthal, Eugene R. ;Calvo, Joseph M.
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Article
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1987
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Springer
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English
⚖ 545 KB
Restriction fragments containing either leut (a rho-independent transcription termination site) and/or leut' (a rho-dependent transcription termination site) were cloned into plasmid pOL4. Treatment of plasmid-containing Escherichia coli strains with coumermycin resulted in loss of in vivo plasmid s