Dimers found in DNA chains damaged by ULTRAVIOLET RAYS. They consist of two adjacent PYRIMIDINE NUCLEOTIDES, usually thymine nucleotides, in which the pyrimidine residues are covalently joined by a cyclobutane ring. These dimers block DNA REPLICATION.


Images

<b>Pyrimidine dimer</b> induced by UV

Pyrimidine dimer induced by UV
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<b>pyrimidine dimer</b> (CPD).

pyrimidine dimer (CPD).
chemistry.osu.edu

two <b>pyrimidine</b> molecules

two pyrimidine molecules
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<b>Pyrimidine</b> Dimerization

Pyrimidine Dimerization
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Cyclobutane <b>pyrimidine dimer</b>

Cyclobutane pyrimidine dimer
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<b>pyrimidine dimer</b>.

pyrimidine dimer.
en.wikipedia.org

<b>Pyrimidine dimer</b>

Pyrimidine dimer
en.wikipedia.org

Most <b>pyrimidine</b> dimers are

Most pyrimidine dimers are
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Symptômes et diagnostics

Symptômes:

    



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Dernière mise à jour: Septembre 2014