1.
Nauchnye Doki Vyss Shkoly Biol Nauki
; (11): 34-6, 1984.
Article
in Russian
| MEDLINE
| ID: mdl-6525373
ABSTRACT
DNA interaction with cholesterol at various lipid concentrations has been investigated by the fluorescent probes method. It has been shown that the intensity of acridine orange fluorescence in the DNA-cholesterol complex decreases at 24 micrograms/ml cholesterol and at 45 micrograms/ml it increases. The number of binding sites and the degree of polarization of fluorescence change simultaneously. Binary mechanism of cholesterol binding with DNA has been suggested: surface binding takes place at low concentrations, intercalation--at high lipid concentrations.
Subject(s)
Cholesterol/pharmacology , DNA/pharmacology , Fluorescent Dyes/pharmacology , Acridine Orange/pharmacology , Animals , Binding Sites/drug effects , Cattle , Dose-Response Relationship, Drug , In Vitro Techniques , Solutions , Spectrometry, Fluorescence/methods
2.
Mol Biol
; 5(2): 223-31, 1971.
Article
in English
| MEDLINE
| ID: mdl-4949473
Subject(s)
Mitochondria, Liver/metabolism , RNA/biosynthesis , Amino Acids/analysis , Animals , Bile Acids and Salts , Carbon Isotopes , Cell Fractionation , Cell-Free System , DNA/isolation & purification , DNA/metabolism , Dactinomycin , Electrophoresis, Polyacrylamide Gel , Escherichia coli/enzymology , Membranes/metabolism , Methods , Mitochondria, Liver/analysis , Nucleoproteins/isolation & purification , Pronase , Protein Binding , RNA Nucleotidyltransferases/metabolism , Rats , Spectrophotometry , Templates, Genetic , Thymidine/metabolism , Uridine/metabolism
3.
Biokhimiia
; 35(2): 336-42, 1970.
Article
in Russian
| MEDLINE
| ID: mdl-4921075
4.
Biokhimiia
; 34(5): 1000-7, 1969.
Article
in Russian
| MEDLINE
| ID: mdl-5364617