Structural transformations of DNA macromolecules in salt aqueous solutions and the survival of Escherichia coli cells in ultralow-intensity thermalized neutron fields

A DNA molecule in solution always has a hydra tion envelope, which consists of several water mono layers and stabilizes the DNA structure. When a DNA molecule contacts water, it is possible that additional adjacent water layers are structured and, therefore, a border layer forms [12]. Slow neutrons...

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Veröffentlicht in:	Doklady. Biochemistry and biophysics 2010-04, Vol.431 (1), p.60-65
Hauptverfasser:	Zhizhina, G. P., Lipson, A. G., Gagina, I. A., Vasil’eva, S. V., Borodin, M. K., Saunin, E. I., Tsivadze, A. Yu
Format:	Artikel
Sprache:	eng
Schlagworte:	Aqueous solutions Biochemistry Biological and Medical Physics Biomedical and Life Sciences Biophysics Biophysics and Molecular Biology Calibration Cytoplasm - metabolism Deoxyribonucleic acid DNA DNA - genetics DNA - metabolism DNA - radiation effects DNA, Bacterial - radiation effects Dose-Response Relationship, Radiation E coli Escherichia coli - metabolism Gases Genome, Bacterial - radiation effects Life Sciences Macromolecular Substances - metabolism Molecules Neutrons Polymers - chemistry Salts - chemistry Spectrophotometry, Infrared - methods Temperature
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Beschreibung
Zusammenfassung:	A DNA molecule in solution always has a hydra tion envelope, which consists of several water mono layers and stabilizes the DNA structure. When a DNA molecule contacts water, it is possible that additional adjacent water layers are structured and, therefore, a border layer forms [12]. Slow neutrons are known to readily transmit their energy to water protons when scattering.
ISSN:	1607-6729 1608-3091
DOI:	10.1134/S160767291002002X