Definition of operon in English:

operon

noun

Biology
  • A unit made up of linked genes that is thought to regulate other genes responsible for protein synthesis.

    • ‘Horizontal transfer of whole genes and operons between divergent species is a frequent event.’
    • ‘Jacob and Monod called these regulated stretches of DNA operons.’
    • ‘Despite the absence of operons, eukaryotes are still capable of a very fine level of control over gene transcription.’
    • ‘It has been noted that coexpressed genes are frequently situated as contiguous clusters within an operon.’
    • ‘In bacteria, these genes are clustered in operons, while in eukaryotes, they are widely dispersed throughout the genome.’

Origin

1960s: from French opérer to effect, work + -on.

Pronunciation

operon

/ˈäpəˌrän/