Interactions between cationic lipid bilayers and model chromatin

Complexes formed in mixtures of cationic liposomes of varying charge density and nucleosome core particles (NCPs) or nucleosome arrays have been characterized. Under most of the conditions studied, the lipids and NCPs or arrays formed lamellar structures similar to those obtained with the liposomes...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 26(2010), 15 vom: 03. Aug., Seite 12488-92
1. Verfasser: Lundberg, Dan (VerfasserIn)
Weitere Verfasser: Berezhnoy, Nikolay V, Lu, Chenning, Korolev, Nikolay, Su, Chun-Jen, Alfredsson, Viveka, Miguel, Maria da Graça, Lindman, Björn, Nordenskiöld, Lars
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Cations Chromatin Lipid Bilayers DNA 9007-49-2
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520 |a Complexes formed in mixtures of cationic liposomes of varying charge density and nucleosome core particles (NCPs) or nucleosome arrays have been characterized. Under most of the conditions studied, the lipids and NCPs or arrays formed lamellar structures similar to those obtained with the liposomes and pure DNA. Thus, the dissociation of DNA from the NCP or nucleosome array and the formation of a DNA-lipid complex is thermodynamically favored, which can likely be ascribed mainly to the gain in entropy on release of the small counterions. Only at very low liposome charge densities are there indications that the NCPs/arrays do not dissociate upon interaction with the lipid bilayers. The reported results can serve as a valuable reference point in investigations of biologically more relevant systems 
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700 1 |a Berezhnoy, Nikolay V  |e verfasserin  |4 aut 
700 1 |a Lu, Chenning  |e verfasserin  |4 aut 
700 1 |a Korolev, Nikolay  |e verfasserin  |4 aut 
700 1 |a Su, Chun-Jen  |e verfasserin  |4 aut 
700 1 |a Alfredsson, Viveka  |e verfasserin  |4 aut 
700 1 |a Miguel, Maria da Graça  |e verfasserin  |4 aut 
700 1 |a Lindman, Björn  |e verfasserin  |4 aut 
700 1 |a Nordenskiöld, Lars  |e verfasserin  |4 aut 
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