DNA duplex stabilization in crowded polyanion solutions

被引：25

作者：

Khimji, Imran ^{[1
]}

Shin, Jeehae ^{[1
]}

Liu, Juewen ^{[1
]}

机构：

[1] Univ Waterloo, Dept Chem, Waterloo Inst Nanotechnol, Waterloo, ON N2L 3G1, Canada

来源：

CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 13期

基金：

加拿大自然科学与工程研究理事会;

关键词：

PHYSIOLOGICAL CONSEQUENCES; GOLD NANOPARTICLES; EXCLUDED-VOLUME; STABILITY; CONFINEMENT; DEPLETION; POLYMER; LENGTH; SALT;

D O I：

10.1039/c2cc38627e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The melting temperature of duplex DNA is much higher in polyanions than in non-ionic polymers with similar ionic strength, suggesting an additional electrostatic contribution on top of the excluded volume effect.

引用

页码：1306 / 1308

页数：3

共 31 条

[1] Concentration-Dependent Structural Transitions of Human Telomeric DNA Sequences [J].

Abu-Ghazalah, Rashid M. ;

Rutledge, Steve ;

Lau, Lewis W. Y. ;

Dubins, David N. ;

Macgregor, Robert B., Jr. ;

Helmy, Amr S. .

BIOCHEMISTRY, 2012, 51 (37) :7357-7366

[2] WEAK POLYELECTROLYTES BETWEEN 2 SURFACES - ADSORPTION AND STABILIZATION [J].

BOHMER, MR ;

EVERS, OA ;

SCHEUTJENS, JMHM .

MACROMOLECULES, 1990, 23 (08) :2288-2301

[3] The Hofmeister series: salt and solvent effects on interfacial phenomena [J].

Cacace, MG ;

Landau, EM ;

Ramsden, JJ .

QUARTERLY REVIEWS OF BIOPHYSICS, 1997, 30 (03) :241-277

[4] THE HOFMEISTER EFFECT AND THE BEHAVIOR OF WATER AT INTERFACES [J].

COLLINS, KD ;

WASHABAUGH, MW .

QUARTERLY REVIEWS OF BIOPHYSICS, 1985, 18 (04) :323-422

[5] Macromolecular crowding: obvious but underappreciated [J].

Ellis, RJ .

TRENDS IN BIOCHEMICAL SCIENCES, 2001, 26 (10) :597-604

[6] Metabolic buffering exerted by macromolecular crowding on DNA-DNA interactions: Origin and physiological significance [J].

Goobes, R ;

Kahana, N ;

Cohen, O ;

Minsky, A .

BIOCHEMISTRY, 2003, 42 (08) :2431-2440

[7] Effect of macromolecular crowding on DNA:Au nanoparticle bioconjugate assembly [J].

Goodrich, GP ;

Helfrich, MR ;

Overberg, JJ ;

Keating, CD .

LANGMUIR, 2004, 20 (23) :10246-10251

[8] EFFECT OF ELECTROLYTES ON STABILITY OF DEOXYRIBONUCLEATE HELIX [J].

HAMAGUCHI, K ;

GEIDUSCHEK, EP .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1962, 84 (08) :1329-&

[9] Effects of polyethylene glycol on DNA duplex stability at different NaCl concentrations [J].

Karimata, Hisae ;

Nakano, Shu-ichi ;

Sugimoto, Naoki .

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 2007, 80 (10) :1987-1994

[10] Separation of preferential interaction and excluded volume effects on DNA duplex and hairpin stability [J].

Knowles, D. B. ;

LaCroix, Andrew S. ;

Deines, Nickolas F. ;

Shkel, Irina ;

Record, M. Thomas, Jr. .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2011, 108 (31) :12699-12704

← 1 2 3 4 →