operon

[ op-uh-ron ]

noun

, Genetics.

1. a set of two or more adjacent cistrons whose transcription is under the coordinated control of a promoter, an operator, and a regulator gene.

operon

/ ˈɒpəˌrɒn /

noun

1. genetics a group of adjacent genes in bacteria functioning as a unit, consisting of structural genes and an operator

operon

/ ŏp′ə-rŏn′ /

1. A sequence of genetic material that functions in a coordinated manner, consisting of an operator, a promoter, and one or more structural genes that are transcribed together. Operons were first found in prokaryotes.

Word History and Origins

Origin of operon¹

1960–65; < French opéron, equivalent to opér ( er ) to work, operate + -on -on ¹

Word History and Origins

Origin of operon¹

C20: from operate