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Lac Operon MeSH Descriptor Data 2025


MeSH Heading
Lac Operon
Tree Number(s)
G05.360.340.024.686.545
G05.360.340.358.207.500.545
Unique ID
D007763
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D007763
Annotation
note category; consider also LAC REPRESSORS (see note on REPRESSOR PROTEINS)
Scope Note
The genetic unit consisting of three structural genes, an operator and a regulatory gene. The regulatory gene controls the synthesis of the three structural genes: BETA-GALACTOSIDASE and beta-galactoside permease (involved with the metabolism of lactose), and beta-thiogalactoside acetyltransferase.
Entry Term(s)
Lac Gene
LacZ Genes
Lactose Operon
Previous Indexing
Lactose (1966-1978)
Operon (1969-1978)
Public MeSH Note
79
History Note
79
Date Established
1979/01/01
Date of Entry
1978/03/03
Revision Date
2013/07/08
Lac Operon Preferred
LacZ Genes Narrower
Lac Gene Narrower
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