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
www.web-books.com

<b>pyrimidine dimer</b> (CPD).

pyrimidine dimer (CPD).
chemistry.osu.edu

What is a cyclobutane

What is a cyclobutane
www.cs.stedwards.edu

<b>pyrimidine dimer</b>.

pyrimidine dimer.
www.photobiology.info

<b>pyrimidine dimer</b>.

pyrimidine dimer.
en.wikipedia.org

<b>Pyrimidine dimer</b>

Pyrimidine dimer
en.wikipedia.org

two adjacent <b>pyrimidines</b>.

two adjacent pyrimidines.
pubs.rsc.org

<b>Pyrimidine</b> Dimerization

Pyrimidine Dimerization
www.lookfordiagnosis.com

Symptômes et diagnostics

Symptômes:

    



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Dernière mise à jour: Septembre 2014