constitutive promoter

constitutive promoter

[¦kän·stə‚tüd·iv prə′mōd·ər]
(cell and molecular biology)
An unregulated promoter segment of deoxyribonucleic acid that allows continuous transcription of its cognate gene.
References in periodicals archive ?
He tested novel DNA vaccines for HIV and HBV, using various inducible and constitutive promoters as well as different polyadenlylation sequences.
Compositions are novel nucleotide sequences for inducible and constitutive promoters isolated from a family of maize genes encoding pathogenesis-related proteins.
Constitutive promoters are particularly useful for in vivo tracking of specific cell types, including tumor cells, white blood cells recruited during the response to inflammation, and transplanted tissue.