title: Folding transition of DNA depending on ionic environments.
abstract: We examined the effect of monovalent salts, NaCl and KCl, on spermidine-induced DNA compaction using fluorescence microscopy. By increasing concentrations of salts, unfolding process of compacted DNAs were observed. It was also shown that NaCl is more effective for unfolding compacted DNAs than KCl.
authors.affiliation: Department of Food and Nutrition, Nagoya Bunri College, Nagoya 451-0077, Japan.
authors.forename: Kumiko
authors.initials: K
authors.lastname: Hibino
authors.forename: Yuko
authors.initials: Y
authors.lastname: Yoshikawa
authors.forename: Shizuaki
authors.initials: S
authors.lastname: Murata
mesh_terms: D017122:Bacteriophage T4 / Q000737:chemistry / Q000187:drug effects; D004279:DNA, Viral / Q000737:chemistry*; D008856:Microscopy, Fluorescence; D009690:Nucleic Acid Conformation / Q000187:drug effects*; D011189:Potassium Chloride / Q000494:pharmacology*; D012965:Sodium Chloride / Q000494:pharmacology*; D012996:Solutions
chemical_list: D004279:DNA, Viral; D012996:Solutions; D012965:Sodium Chloride; D011189:Potassium Chloride