Definition of messenger RNA in English:

Share this entry

messenger RNA

Pronunciation: /ˈˌmesnjər ˌär ˌen ˈā/
(abbreviation mRNA)


The form of RNA in which genetic information transcribed from DNA as a sequence of bases is transferred to a ribosome.
Example sentences
  • The researchers then produced from the DNA sequences the corresponding messenger RNA (mRNA).
  • This conclusion was reached prior to the discovery of messenger RNA, transfer RNA, or the mechanism of translation.
  • Gene expression in all organisms comprises the transcription of a certain gene on the DNA into messenger RNA through RNA polymerase starting from the promoter site, and its subsequent translation into a protein.

For editors and proofreaders

Syllabification: mes·sen·ger RNA

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.