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Pyrimidine Dimers MeSH Descriptor Data 2022


MeSH Heading
Pyrimidine Dimers
Tree Number(s)
D03.383.742.686.600
D13.695.578.424.600
D13.695.740.600
Unique ID
D011740
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011740
Scope Note
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.
Entry Term(s)
Cyclobutane Pyrimidine Dimer
Cyclobutane-Pyrimidine Dimer
Cyclobutane-Pyrimidine Dimers
Cytosine-Thymine Dimer
Cytosine-Thymine Dimers
Pyrimidine Dimer
Thymine Dimer
Thymine Dimers
Thymine-Cyclobutane Dimer
Thymine-Thymine Cyclobutane Dimer
Registry Number
0
Previous Indexing
Pyrimidine Nucleotides (1974-1976)
Thymine Nucleotides (1972-1976)
See Also
DNA Damage
Public MeSH Note
77
History Note
77
Date Established
1977/01/01
Date of Entry
1976/04/16
Revision Date
2020/05/27
Pyrimidine Dimers Preferred
Thymine-Cyclobutane Dimer Related
Cytosine-Thymine Dimers Narrower
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