[Application of alkylating DNA derivatives for addressed modification of the genome]. 1981

A V Mazin, and G L Dianov, and R I Salganik

To affect definite preselected regions of DNA, complementary denaturated DNA fragments carrying alkylating groups were used. The residues of polyfunctional alkylating agent N',N'N'-tri(beta-chloroethyl)-N'-(p-formylphenyl)propylenediamine-1,3 were attached covalently to 4-5% of bases of the T7 phage DNA (T7 DNA) restriction fragment. The alkylating DNA derivatives was found to be stable under hybridisation conditions. It was shown that the DNA fragment carrying alkylating groups is capable of highly specific interaction with complementary DNA. Thus, the alkylating derivative of the T7 DNA restriction fragment retains its capacity to hybridise with T7 DNA, however, it does not interact with the noncomplementary DNA from chick erythrocytes, it was established that the alkylating derivative of DNA fragment efficiently alkylates only the complementary DNA.

UI MeSH Term Description Entries
D009588 Nitrogen Mustard Compounds A group of alkylating agents derived from mustard gas, with the sulfur replaced by nitrogen. They were formerly used as toxicants and vesicants, but now function as antineoplastic agents. These compounds are also powerful mutagens, teratogens, immunosuppressants, and carcinogens. Compounds, Nitrogen Mustard,Mustard Compounds, Nitrogen
D009693 Nucleic Acid Hybridization Widely used technique which exploits the ability of complementary sequences in single-stranded DNAs or RNAs to pair with each other to form a double helix. Hybridization can take place between two complimentary DNA sequences, between a single-stranded DNA and a complementary RNA, or between two RNA sequences. The technique is used to detect and isolate specific sequences, measure homology, or define other characteristics of one or both strands. (Kendrew, Encyclopedia of Molecular Biology, 1994, p503) Genomic Hybridization,Acid Hybridization, Nucleic,Acid Hybridizations, Nucleic,Genomic Hybridizations,Hybridization, Genomic,Hybridization, Nucleic Acid,Hybridizations, Genomic,Hybridizations, Nucleic Acid,Nucleic Acid Hybridizations
D002645 Chickens Common name for the species Gallus gallus, the domestic fowl, in the family Phasianidae, order GALLIFORMES. It is descended from the red jungle fowl of SOUTHEAST ASIA. Gallus gallus,Gallus domesticus,Gallus gallus domesticus,Chicken
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D004355 Drug Stability The chemical and physical integrity of a pharmaceutical product. Drug Shelf Life,Drugs Shelf Lives,Shelf Life, Drugs,Drug Stabilities,Drugs Shelf Life,Drugs Shelf Live,Life, Drugs Shelf,Shelf Life, Drug,Shelf Live, Drugs,Shelf Lives, Drugs
D004912 Erythrocytes Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN. Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle
D005796 Genes A category of nucleic acid sequences that function as units of heredity and which code for the basic instructions for the development, reproduction, and maintenance of organisms. Cistron,Gene,Genetic Materials,Cistrons,Genetic Material,Material, Genetic,Materials, Genetic
D005814 Genes, Viral The functional hereditary units of VIRUSES. Viral Genes,Gene, Viral,Viral Gene
D000477 Alkylating Agents Highly reactive chemicals that introduce alkyl radicals into biologically active molecules and thereby prevent their proper functioning. Many are used as antineoplastic agents, but most are very toxic, with carcinogenic, mutagenic, teratogenic, and immunosuppressant actions. They have also been used as components in poison gases. Alkylating Agent,Alkylator,Alkylators,Agent, Alkylating,Agents, Alkylating

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