Dictionary » P » Pre-mRNA

Pre-mRNA

Definition

noun

An immature or incompletely processed mRNA molecule in eukaryotes originated from primary transcript (hnRNA) in the nucleus and need to be processed before it becomes a fully functional mature mRNA for transport into the cytoplasm.


Supplement

The pre-mRNA is the initial form of mRNA in eukaryotes. It is formed by transcribing the genetic information from DNA molecule. Before it is moved into the cytoplasm for translation at the ribosomal site, the pre-mRNA undergoes extensive processing within the nucleus.


Synonym: precursor mRNA

See also: mature mRNA


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified 22:48, 19 August 2009. This page has been accessed 6,773 times. 
What links here | Related changes | Permanent link