释义 |
Definition of operon in English: operonnoun ˈɒpərɒnˈɑpəˌrɑn Biology A unit made up of linked genes which is thought to regulate other genes responsible for protein synthesis. Example sentencesExamples - 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.
- 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.
- Horizontal transfer of whole genes and operons between divergent species is a frequent event.
Origin 1960s: from French opérer 'to effect, work' + -on. Definition of operon in US English: operonnounˈäpəˌränˈɑpəˌrɑn Biology A unit made up of linked genes which is thought to regulate other genes responsible for protein synthesis. Example sentencesExamples - Horizontal transfer of whole genes and operons between divergent species is a frequent event.
- 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.
- 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.
Origin 1960s: from French opérer ‘to effect, work’ + -on. |