deoxyribonucleic acid
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چکیده
Triostin antibiotics, which contain a cyclic peptide with a disulphide bridge, have been prepared by growing Streptomyces triostinicus in the presence of inorganic [3PS]sulphate. The labelled triostin A has been shown to behave in all respects similarly to the authentic natural product and to enable a much more sensitive radiochemical adaptation of the solvent-partition method for determining antibiotic binding to DNA. By this
منابع مشابه
Effect of Helium-Neon Laser and Sodium Hypochlorite on Calf Thymus Double-Stranded Deoxyribonucleic Acid Molecule: An in Vitro Experimental Study
Introduction: Low-energy helium-neon (He-Ne) laser beam lightis used in combination with sodium hypochlorite (Na2HOCl3) for clinical purposes. Regarding this, the present study aimed to investigate the effect of He-Ne laser (632.8 nm) and sodium hypochlorite on the calf thymus double-stranded deoxyribonucleic acid (ctdsDNA) molecule. Materials and Methods: For the purpose of the study, ctdsDNA...
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Maize RNA polymerase utilizes heated deoxyribonucleic acid more effectively than native deoxyribonucleic acid as a template for ribonucleic acid synthesis. A ribonucleic acid-deoxyribonucleic acid hybrid accumulates in the presence of heated deoxyribonucleic acid. The amount of product formed with either native or heat-denatured deoxyribonucleic acid does not exceed the amount of deoxyribonucle...
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When Escherichia coli are grown in the presence of 5-fluorouracil, the 5-fluorouracil is incorporated almost exclusively into ribonucleic acid as fluorouridylate. In this study, small but detectable amounts were incorporated into ribonucleic acid as fluorocytidylate and into deoxyribonucleic acid as fluorodeoxyuridylate and fluorodeoxycytidylate. The amount of 5-fluorouracil found in deoxyribon...
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The deoxyribonucleic acid of the T-even coliphages contains glucosylated and nonglucosylated 5-hydroxymethylcytosine in place of cytosine (l-6). In the case of deoxyribonucleic acid from phage T6, 72y0 of the 5-hydroxymethylcytosine residues are diglucosylated. In T2 deoxyribonucleic acid, 70% of the 5-hydroxymethylcytosine residues are monoglucosylated, but 5% bear diglucosyl units. A recent i...
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A new method of estimating deoxyribonucleic acid homology is presented and used to measure the homology between bacterial plasmids of different compatibility groups. Deoxyribonucleic acid of the P-group plasmid RP1, originally isolated in Pseudomonas aeruginosa, has considerable (50%) homology with an N-group plasmid of the Enterobacteriaceae.
متن کاملDeoxyribonucleic Acid synthesis in insect larvae after inoculation with nucleopolyhedrosis virus.
Studies of deoxyribonucleic acid synthesis following inoculation with nucleo-polyhedrosis show a large burst of viral deoxyribonucleic acid synthesis late in the infection period.
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تاریخ انتشار 2005