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thymine
thymine
The Oxford Pocket Dictionary of Current English
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2009
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© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
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thy·mine
/ ˈ[unvoicedth]īˌmēn; -min/
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n. Biochem.
a compound, C5H6N2O2, that is one of the four constituent bases of nucleic acids. A pyrimidine derivative, it is paired with adenine in double-stranded DNA.
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A DFT study of thymine and its tautomers.(discrete Fourier transform)(Report)
Magazine article from: Canadian Journal of Chemistry; 2/1/2009; ; 700+ words
; ...such as cancer. (1-5) DNA is made of thymine (T), cytosine (C), guanine (G...and theoretically. In these bases, the thymine is the simplest pyrimidine base and only...relative energies of the six tautomers of thymine using a 321G basis at an ab initio study...
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Role of thymine in protein coding frames of mRNA sequences.(Hypothesis)
Magazine article from: Bioinformation; 1/1/2008; ; 700+ words
; ...directed evolution strategies [4]. Thymine is the only residue replaced to uracil...in living systems. The distribution of thymine in protein coding mRNA sequences and its...frames as illustrated in Figure 1. The thymine in the second position of the codons is...
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Inhibiting effect of beta-cyclodextrin on thymine dimerization photosensitized by para-Aminobenzoic acid
Magazine article from: Photochemistry and Photobiology; 2/1/2002; ; 700+ words
; ...Inhibiting Effect of (beta)-Cyclodextrin on Thymine Dimerization Photosensitized by para...of the photosensitized dimerization of thymine by para-aminobenzoic acid (PABA) in...confirmed PABA-- sensitized cyclobutyl thymine dimer formation in mammalian and bacterial...
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Why did mother nature use uracil to replace thymine in mRNA (messenger ribonucleic acid)? What is the advantage of using U instead of T in the RNA?
Magazine article from: The Science Teacher; 10/1/2006; ; 700+ words
; ...mother nature use uracil to replace thymine in mRNA (messenger ribonucleic acid...A better question may be: Why does thymine replace uracil in DNA? Since it takes energy to convert uracil to thymine (by adding a methyl group), why do...
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Photoaddition of 4,6-dimethyltetrahydrobenzoangelicin to thymine in DNA: X-ray studies and experiments with model oligonucleotides
Magazine article from: Photochemistry and Photobiology; 7/1/2000; ; 700+ words
; ...Dimethyltetrahydrobenzoangelicin to Thymine in DNA: X-ray Studies and Experiments...furan-side cis-syn cycloadduct with thymine formed in the photoreaction with DNA...furan-side cis-syn monoadduct with thymine (Fig. lB). This molecule, however...
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 "The Economist (US)")
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Off the beach: dermatology. (synthetic thymine dimer DNA fragments, blended into suntan lotion, protects against UV effects)
Magazine article from: The Economist (US); 12/10/1994; 700+ words
; ...light can damage DNA, the most common is by causing the formation of thymine dimers.Thymine is one of the four bases that form the links of DNA chains. When two thymine groups are neighbours in DNA, UV radiation can weld them together abnormally...
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Evidence for [2+2] photoreaction of (alpha)-methylene-(gamma)-butyrolactones with thymine: An explanation for chronic actinic dermatitis to sesquiterpene lactones?
Magazine article from: Photochemistry and Photobiology; 6/1/1999; ; 700+ words
; ...natural sesquiterpene lactone, toward thymine was studied. After 313 nm irradiation...isoalantolactone (2 x 10^sup 13^ M) and thymine (4 x 10^sup -3^ M), two intermolecular...photoadduct involving the 5,6 double bond of thymine and the exomethylenic double bond of the...
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Novel thymine nucleosides fail to show antiviral activity.
Newspaper article from: Health & Medicine Week; 1/26/2004; 571 words
; ...NewsRx.net) -- A series of novel thymine nucleosides have shown a disappointing...National University. Howerver, the "thymine analogue (5) and its corresponding 2...Synthesis and biological evaluation of thymine nucleosides fused with 3',4'-tetrahydrofuran...
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Optimization of DNA Extraction from a Scleractinian Coral for the Detection of Thymine Dimers by Immunoassay[dagger]
Magazine article from: Photochemistry and Photobiology; 7/1/2007; ; 700+ words
; ...damage, principally by the formation of thymine dimers, but little research has been...DNA suitable for the quantification of thymine dimer formation using antibodies. Preliminary...astreoides collected from 1 m depth, thymine dimers form approximately 2.8 times...
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Solvent Effects on the Steady-state Absorption and Fluorescence Spectra of Uracil, Thymine and 5-Fluorouracil[dagger]
Magazine article from: Photochemistry and Photobiology; 5/1/2007; ; 700+ words
; ...representative uracil derivatives (uracil, thymine and 5-fluorouracil) in alcoholic solutions...experiments show that excited state lifetimes of thymine and 5-fluorouracil in acetonitrile is...have thus chosen to investigate uracil, thymine (5-methyluracil) and 5-fluorouracil...
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thymine
Book article from: The Columbia Encyclopedia, Sixth Edition
thymine , organic base of the pyrimidine family. Thymine was the first pyrimidine to be purified from a natural source...beef spleen in 1893-4. The accepted structure of the thymine molecule was published in 1900; this structure was confirmed...
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Mutagen
Book article from: Genetics
...one of the four DNA bases (adenine, thymine, cytosine, and guanine). Because of...exists in two different forms. One mimics thymine and therefore pairs with adenine during...therefore pairs with guanine. In its thymine-mimicking form, 5BU can be incorporated...
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Erwin Chargaff
Encyclopedia entry from: Encyclopedia of World Biography
...which there are two types (cytosine and thymine), and purines, of which there are also...Chargaff discovered was that adenine and thymine exist in equal proportions in all organisms...guanine) equal pyrimidines (cytosine + thymine); adenine equals thymine; and guanine...
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Nucleotide
Book article from: Genetics
...bases found in DNA are cytosine (C) and thymine (T), and the two pyrimidine bases found...uracil (U). The only difference between thymine and uracil is the presence of a methyl group in thymine that is lacking in uracil. A base plus...
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Mutagenesis
Encyclopedia entry from: The Gale Encyclopedia of Science
...nucleotides; adenine, gua-nine, cytosine, and thymine. Mutagenesis — the process acquiring...ultra violet radiation induces what is called thymine dimers, where two thymine nucleotides next to each other in a DNA KEY TERMS...
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