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In vivo supercoiling of plasmid and chromosomal DNA in an Escherichia coli hns mutant.
We have used trimethylpsoralen to measure localized levels of unconstrained DNA supercoiling in vivo. The data provide direct evidence that plasmid and chromosomal DNA supercoiling is altered in vivo in an hns mutant. This increase in supercoiling is independent of transcription or changes in the ac...
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| Main Authors: | , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
1997
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC179144/ https://ncbi.nlm.nih.gov/pubmed/9171396 |
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