Wiktionary
n. (context biochemistry English) RNA that encodes and carry information from DNA during transcription to sites of protein synthesis to undergo translation in order to yield a protein.
WordNet
n. the template for protein synthesis; the form of RNA that carries information from DNA in the nucleus to the ribosome sites of protein synthesis in the cell [syn: mRNA, template RNA, informational RNA]
Wikipedia
Messenger RNA (mRNA) is a large family of RNA molecules that convey genetic information from DNA to the ribosome, where they specify the amino acid sequence of the protein products of gene expression. Following transcription of primary transcript mRNA (known as pre-mRNA) by RNA polymerase, processed, mature mRNA is translated into a polymer of amino acids: a protein, as summarized in the central dogma of molecular biology.
As in DNA, mRNA genetic information is in the sequence of nucleotides, which are arranged into codons consisting of three base pairs each. Each codon encodes for a specific amino acid, except the stop codons, which terminate protein synthesis. This process of translation of codons into amino acids requires two other types of RNA: Transfer RNA (tRNA), that mediates recognition of the codon and provides the corresponding amino acid, and ribosomal RNA (rRNA), that is the central component of the ribosome's protein-manufacturing machinery.
The existence of mRNA was first suggested by Jacques Monod and François Jacob, and subsequently discovered by Jacob, Sydney Brenner and Matthew Meselson at the California Institute of Technology in 1961.
It should not be confused with mitochondrial DNA.
Usage examples of "messenger rna".
The messenger RNA codonanticodon linkages that blueprinted the production of amino acids seemed to operate on a coding intrinsic to the molecules themselves.
They bind to specific sites on messenger RNA, effectively blocking their message.
The whole dogma about DNA, messenger RNA, and proteins has been given a reality check, and science's internal `auditors' have rendered it as archaic as Fisher's population genetics.
Anokhin, K V, and Rose, S P R Learning-induced increase of immediate early gene messenger RNA in the chick forebrain.
Not many people chose to learn languages by chemical means any more: though a course of messenger RNA gave a very complete knowledge of a language, it tended to wear off with time, and made the person who took it extremely sick for days.
Not many people chose to learn languages by chemical means any more though a course of messenger RNA gave a very complete knowledge of a language, it tended to wear off with time, and made the person who took it extremely sick for days.
It was speculated that there was a transference of knowledge -- probably in the messenger RNA strands of the planaria.
The first part entailed making a copy of the segment of DNA with a molecule called messenger RNA.
The messenger RNA then directed the production of the protein in a process called transcription.
The messenger RNA codon-anticodon linkages seemed to operate on a coding intrinsic to the molecules themselves.