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

What is a cyclobutane

What is a cyclobutane
www.cs.stedwards.edu

<b>pyrimidine dimer</b>.

pyrimidine dimer.
en.wikipedia.org

two <b>pyrimidine</b> molecules

two pyrimidine molecules
academic.pgcc.edu

<b>pyrimidine dimer</b> pathways.

pyrimidine dimer pathways.
www.photobiology.com

Click here

Click here
www-personal.ksu.edu

<b>dimer</b>.jpg

dimer.jpg
www.bio.miami.edu

<b>pyrimidine</b> dimers (right).

pyrimidine dimers (right).
pubs.acs.org

Symptômes et diagnostics

Symptômes:

    



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Dernière mise à jour: Septembre 2014