Title of article
Na+ more strongly inhibits DNA compaction by spermidine (3+) than K+
Author/Authors
Hibino، نويسنده , , Kumiko and Yoshikawa، نويسنده , , Yuko and Murata، نويسنده , , Shizuaki and Saito، نويسنده , , Takuya and Zinchenko، نويسنده , , Anatoly A. and Yoshikawa، نويسنده , , Kenichi، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
5
From page
405
To page
409
Abstract
The protective effects of alkali metal ions (Li+, Na+, K+, Rb+ and Cs+) against spermidine-induced DNA compaction were studied using single-molecule observations. We found that all alkali metal salts prevent DNA compaction, where Na+ more strongly prevented DNA compaction than other alkali metal ions. We discuss our results in terms of changes in ionic radii in relation to the net translational entropy of small ions due to ionic exchange between trivalent and monovalent cations.
Journal title
Chemical Physics Letters
Serial Year
2006
Journal title
Chemical Physics Letters
Record number
1919465
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