End-to-End Stacking and Liquid Crystal Condensation of 6- to 20-Base Pair DNA Duplexes

Short complementary B-form DNA oligomers, 6 to 20 base pairs in length, are found to exhibit nematic and columnar liquid crystal phases, even though such duplexes lack the shape anisotropy required for liquid crystal ordering. Structural study shows that these phases are produced by the end-to-end a...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2007-11, Vol.318 (5854), p.1276-1279
Hauptverfasser:	Nakata, Michi, Zanchetta, Giuliano, Chapman, Brandon D, Jones, Christopher D, Cross, Julie O, Pindak, Ronald, Bellini, Tommaso, Clark, Noel A
Format:	Artikel
Sprache:	eng
Schlagworte:	ADHESION Aggregation Analytical, structural and metabolic biochemistry ANISOTROPY B form DNA Base Pairing BASIC BIOLOGICAL SCIENCES Biochemistry Biological and medical sciences Columnar crystals Condensation Crystallization Crystallography Deoxyribonucleic acid DNA DNA - chemistry Dna, deoxyribonucleoproteins Fundamental and applied biological sciences. Psychology Grants Ligation Liquid crystal polymers LIQUID CRYSTALS Molecular biology Nucleic Acid Conformation Nucleic acids Oligodeoxyribonucleotides - chemistry Oligomers Phase diagrams Phase Transition POLYMERIZATION SHAPE Solutes Temperature Thermodynamics X-Ray Diffraction
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