نتایج جستجو برای: deoxyribonucleic acid dna

تعداد نتایج: 1188569  

Journal: :Journal of virology 1971
A Bassel M Shaw L L Campbell

The thermophilic bacteriophage TP84 is dissociated into its head, tail, and released deoxyribonucleic acid (DNA) by chelating agents such as ethylenediaminetetraacetic acid (EDTA) and phosphate. The phage is more sensitive to EDTA than to phosphate, and dialysis against either agent causes more effective dissociation than standing in their presence. The tail possesses a knobbed structure which ...

Journal: :Genetic Resources and Crop Evolution 2022

Abstract Bambara groundnut is one of the crops with inadequate molecular research to show its full potentials. Previous studies showed morphological diversity information confirm genetic variations. In quest reveal potentials, deoxyribonucleic acid (DNA) selected accessions was extracted through leaf samples at 3 weeks old, using Dellaporta Miniprep for Plant DNA Isolation procedure. The high q...

2003
D. FRANKEL K. DUNCAN PHILIP E. HARTMAN

The rate of nitrous acid deamination of labeled cytosine residues in native Escherichia coli deoxyribonucleic acid was monitored in vitro by release of acidsoluble counts after treatment with uracil deoxyribonucleic acid glycosylase. The reaction exhibited a lag and was not stimulated by several agents previously shown to enhance base substitution mutagenesis during nitrous acid treatment of du...

Journal: :The European respiratory journal 1998
N H Robertson S L Weston S J Kelly N J Duxbury S R Pearce P Elsmore M B Webb C R Newton S Little

The results obtained using deoxyribonucleic acid (DNA) amplification-based tests must be accurate and reproducible. One such test that simultaneously detects any of 12 of the most common mutations of the cystic fibrosis transmembrane conductance regulator gene is presented in this report. An investigation was conducted into how changes of primer, DNA template and Taq DNA polymerase concentratio...

Journal: :Communications in computer and information science 2022

Abstract Today, the amount of data produced and stored in computing Internet Things (IoT) devices is growing. Massive volumes sensitive information are exchanged between these making it critical to ensure security data. Cryptography a widely used method for ensuring security. Many lightweight cryptographic algorithms have been developed address limitations resources on IoT devices. Such limited...

Journal: :Journal of Drug Delivery and Therapeutics 2022

The purpose of this systematic review and meta-review has shifted from assessing the consequences silver sulfadiazine with most different drugs (SSD) for burn recovery contamination prevention to novel dressings, without or silver. Burn units have be able better control sepsis. degree which a topical antibacterial agent is absorbed determines its effectiveness. Absorption may evaluated against ...

Journal: :Environment and Natural Resources Journal 2022

To evaluate the biological impacts of high background radiation exposures that are represented by spontaneous deoxyribonucleic acid (DNA) damage, an evaluation on lymphocyte cells from residents Mamuju, West Sulawesi, Indonesia was tested. The mean annual dose received individuals in this area is about 10.40 mSv. Of 177 adult subjects studied, 102 were high-level natural areas Mamuju and 75 a n...

Journal: :Antimicrobial agents and chemotherapy 1973
R Almendinger L P Hager

Spheroplasts are insensitive to colicin E(2) and do not show deoxyribonucleic acid (DNA) degradation even in the presence of massive amounts of E(2). However, when both endonuclease I and E(2) were present, spheroplast DNA was degraded by an endonucleolytic activity which gave rise primarily to double-strand DNA cleavages, producing fragments having an average molecular weight of 9 x 10(6). Pan...

Journal: :Journal of bacteriology 1980
A D Frankel B K Duncan P E Hartman

The rate of nitrous acid deamination of labeled cytosine residues in native Escherichia coli deoxyribonucleic acid was monitored in vitro by release of acid-soluble counts after treatment with uracil deoxyribonucleic acid glycosylase. The reaction exhibited a lag and was not stimulate by several agents previously shown to enhance base substitution mutagenesis during nitrous acid treatment of du...

2000

Deoxyribonucleic acid (DNA) was first described by Friedrich Miescher in 1869, only four years after Mendel’s work was published. But it took over 80 years for its role as the genetic material of most organisms to become firmly established. DNA was first characterized as acid-precipitable material from the cell nuclei of pus and fish sperm. The proportion of nitrogen and phosphorus was very unu...

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