operon

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op·er·on

 (ŏp′ə-rŏn′)
n.
A unit of genetic material that functions in a coordinated manner by means of an operator, a promoter, and one or more structural genes that are transcribed together.

operon

(ˈɒpəˌrɒn)
n
(Genetics) genetics a group of adjacent genes in bacteria functioning as a unit, consisting of structural genes and an operator
[C20: from operate]

op•er•on

(ˈɒp əˌrɒn)

n.
a set of two or more adjacent cistrons whose transcription is under the coordinated control of a promoter, an operator, and a regulator gene.
[< French opéron (1960), derivative of opérer to work]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.operon - a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene
operator gene - a gene that activates the production of messenger RNA by adjacent structural genes
regulator gene, regulatory gene - a gene that produces a repressor substance that inhibits an operator gene
deoxyribonucleic acid, desoxyribonucleic acid, DNA - (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information; "DNA is the king of molecules"
Translations
opéron

op·er·on

n. operon, sistema de genes combinados en el cual el gen operador regula los demás genes estructurales.
References in periodicals archive ?
Coli were organized into unique structures called operons, which enable these bacteria to shut off unnecessary genetic activity, thereby transitioning between the glucose and lactose metabolic mechanisms.
beaucoup moins que] Nous operons en Tunisie depuis 2002 et nous avons beaucoup de clients reguliers qui ont toujours voyage en Tunisie depuis que le conseil est entre en vigueur[beaucoup plus grand que].
Both these GATC sites affect divergently transcribed operons such as papI and papBA.
Le directeur produit de Facebook Chris Cox, qui participait mardi a une conference sectorielle en Californie, a concede que les inquietudes de l'Europe pour la protection des donnees privees de ses citoyens obligeaient le groupe a [beaucoup moins que]etre tres clair sur la maniere dont nous operons et tres clair sur nos intentions[beaucoup plus grand que].
This hypothesis must be confirmed by primer extension or 5'-RACE, which could identify a two-component system characterized by its structural genes organized in operons (Mascher et al.
En plus des mesures que nous operons nous-memes, nos clients ont aussi les possibilites de securiser leurs ressources sur Azure par exemple, avec les memes outils et les niveaux de controle qu'ils auraient sur leur propre Datacenter prive, avec evidemment la couche supplementaire de protection garantie contractuellement par le savoir-faire Microsoft.
One short-cut approach for the identification of the promoters, genes and operons under the direct control of a test transcription factor is to determine the binding sites of the test transcription factor on the genome.
31) used microarrays to determine the operons derepressed by both Fur mutations and iron starvation, suggesting the presence of various iron uptake pathways.
ToxT, an AraC-like activator protein, directly activates transcription of the ctxAB, tcpABQCRDSTEF, tcpI, tagA orf23 mop tagD, aldA, acfD and acfA operons (7) (Fig.
A major difference was found in the operons from the virulent strain 9117 and commensal strain 9066 with strain 9066 having an [approximately equal to] 10-kb deletion missing the genes cpsF-L and orf276, orf193, and orf151.
NRC-1 genomes were examined to identify ORFs that were likely to be members of operons.