DNA Modification Methylases
"DNA Modification Methylases" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
Enzymes that are part of the restriction-modification systems. They are responsible for producing a species-characteristic methylation pattern, on either adenine or cytosine residues, in a specific short base sequence in the host cell's own DNA. This methylated sequence will occur many times in the host-cell DNA and remain intact for the lifetime of the cell. Any DNA from another species which gains entry into a living cell and lacks the characteristic methylation pattern will be recognized by the restriction endonucleases of similar specificity and destroyed by cleavage. Most have been studied in bacterial systems, but a few have been found in eukaryotic organisms.
|DNA Modification Methylases
- DNA Modification Methylases
- Methylases, DNA Modification
- Modification Methylases, DNA
- Modification Methylases
- Methylases, Modification
- DNA Modification Methyltransferases
- Methyltransferases, DNA Modification
- Modification Methyltransferases, DNA
Below are MeSH descriptors whose meaning is more general than "DNA Modification Methylases".
Below are MeSH descriptors whose meaning is more specific than "DNA Modification Methylases".
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