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Formation of Z-DNA in negatively supercoiled plasmids is sensitive to small changes in salt concentration within the physiological range.

Negative supercoiling of the plasmid pBR322 with or without an insert of (dG-dC)n induces the formation of Z-DNA as measured by the binding of antibodies specific for Z-DNA. Increasing the concentration of Na+ (or K+) is shown to inhibit the B to Z-DNA conversion. This may be due to the effect of th...

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Détails bibliographiques
Auteurs principaux: Azorin, F, Nordheim, A, Rich, A
Format: Artigo
Langue:Inglês
Publié: 1983
Sujets:
Accès en ligne:https://ncbi.nlm.nih.gov/pmc/articles/PMC555164/
https://ncbi.nlm.nih.gov/pubmed/6315414
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