Reentrant conformational transitions in DNA molecules complexed with cationic surfactant

S. V. Mikhailenko, V. G. Sergeyev, K. Yoshikawa

研究成果: Paper査読

抄録

We have established the conditions for the dissociation-formation of DNA-CTAB complexes in organic solvents of different polarity. Fluorescence microscopy and CD spectroscopy indicate that DNA-CTAB complexes dissociate into their initial components at intermediate concentrations of alcohol, while conserving the double-stranded structure of native DNA. A further increase in the alcohol concentration leads to restoration of the complex, which is soluble under these conditions, i.e. in low-polarity organic media. As a novel phenomenon on DNA-CTAB interacting system, we have found the alcohol-induced reentrant globule-coil-globule transition in T4DNA-CTAB complexes.

本文言語English
ページ213-215
ページ数3
出版ステータスPublished - 1998 12 1
外部発表はい
イベントProceedings of the 1998 9th International Symposium on Micromechatronics and Human Science, MHS - Nagoya, Jpn
継続期間: 1998 11 251998 11 28

Other

OtherProceedings of the 1998 9th International Symposium on Micromechatronics and Human Science, MHS
CityNagoya, Jpn
Period98/11/2598/11/28

ASJC Scopus subject areas

  • Engineering(all)

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