Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Suppression, Genetic MeSH Descriptor Data 2025


MeSH Heading
Suppression, Genetic
Tree Number(s)
G05.365.590.835
G05.558.835
Unique ID
D013489
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D013489
Scope Note
Mutation process that restores the wild-type PHENOTYPE in an organism possessing a mutationally altered GENOTYPE. The second suppressor mutation may be on a different gene, on the same gene but located at a distance from the site of the primary mutation, or in extrachromosomal genes (EXTRACHROMOSOMAL INHERITANCE).
Entry Version
SUPPRESSION GENET
Entry Term(s)
Genetic Suppression
Suppressor Mutation
Previous Indexing
Genes (1966-1967)
Genes, Suppressor (1968-1979)
Public MeSH Note
80; was GENES, SUPPRESSOR 1970-79
History Note
80; was GENES, SUPPRESSOR 1968-79 (Prov 1968-69)
Date Established
1970/01/01
Date of Entry
1999/01/01
Revision Date
2016/06/17
Suppression, Genetic Preferred
Suppressor Mutation Narrower
page delivered in 0.118s