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microRNA Syllabification: mi·cro·RNA
Pronunciation: /ˌmīkrōˌärenˈā/

Entry from US English dictionary

Definition of microRNA in English:


A cellular RNA fragment that prevents the production of a particular protein by binding to and destroying the messenger RNA that would have produced the protein.
Example sentences
  • By then, scientists had proposed that plant microRNAs control protein production by glomming onto messenger RNAs, an essential intermediate in the creation of a protein.
  • In molecular biology, microRNAs are clearly one of the top two or three discoveries of the past decade.
  • Research reported in The Plant Cell shows that microRNAs control the accumulation of transcription factor proteins that regulate the expression of genes in the auxin response pathway.
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