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Physiological levels of salt and polyamines favor writhe and limit twist in DNA
Quantitative analysis of single molecule experiments show that adding either of two natural polyamines, spermine or spermidine, produced more compact plectonemes in DNA in physiological concentrations of monovalent salt. They also promoted plectoneme formation at lower values of torsion in measureme...
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| Main Authors: | , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2012
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3601208/ https://ncbi.nlm.nih.gov/pubmed/23526178 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ma300211t |
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