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 mrna - Definition 

Pre-mRNA (1074 bytes)
1: '''Pre-mRNA''' (preliminary [[mRNA]]) is a single strand of ribonucleic acid ([[RNA]...
3: ... a [[5' cap]] and [[polyadenylation]]. When the mRNA has been properly processed, it is exported out o...
6: [[de:Prä-mRNA]]

Antisense mRNA (332 bytes)
1: ...ng strand complementary to the coding sequence of mRNA.
3: Introducing a [[transgene coding]] or antisense mRNA is a strategy used to block [[Gene expression|exp...

Polycistronic (379 bytes)
1: ...ther hand, [[eukaryote|eukaryotic]] polycistronic mRNA is very rare.

Monocistronic (699 bytes)
1: ...tics]] which usually refers to [[messenger RNA]] (mRNA) and means that a single [[polypeptide]] chain wi...
5: ...ant]]s, for instance, contain [[polycistronic]] [[mRNA|transcripts]], e.g. the psbb/psbH/petB/petD regio...
7: Monocistronic mRNA are in some cases (e.g. [[virus]]es) translated t...

Morpholino (506 bytes)
3: ...full method to identify the function of a certain mRNA strand or gene in a living organism. When we inje...

Polyadenylation (651 bytes)
1: ...r transcription termination and for export of the mRNA from the nucleus.

RNA splicing (209 bytes)
1: ...ation of [[mRNA]] and the removal of introns from mRNA precursors and the reattachment or annealing of [...

Splicing (genetics) (2196 bytes)
3: ...mRNA in an [[intramolecular reaction]], where the mRNA acts as a [[ribozyme]], with the assistance of [[...
4: ...s named because it binds to the [[5' end]] of the mRNA;
15: .../font><font color=navy>EEEEEEEEEE</font> '''mRNA''' (primary transcript) with <font color=navy>exo...
17: ...EEE</font><font color="green">TTTTAAAA</font> '''mRNA''' (spliced) with <font color=navy>exons</font>, ...

Rho factor (1068 bytes)
5: ...n site is recognized by the &rho; factor on the [[mRNA]] segment being synthesized by [[RNA polymerase]]...
6: #The &rho; factor moves along the mRNA segment towards the polymerization site.
8: ...n site and transcription is stopped releasing the mRNA, the &rho; factor and the RNA polymerase.
10: ... from one [[operon]] to the next, creating longer mRNA molecules.

Complementary DNA (2946 bytes)
1: ...ngle-stranded [[DNA]] synthesized from a mature [[mRNA]] template. cDNA is often used to clone [[eukaryo...
5: ...before it is translated into protein. Prokaryotic mRNA has no introns, so it is not subject to [[splici...
7: ...okaryotic host, which would transcribe the DNA to mRNA and then translate it to protein. However, as euk...
11: ...ase]]. This enzyme operates on a single strand of mRNA, generating its complementary DNA based on the pa...
14: # A eukaryotic cell transcribes the DNA into mRNA.

Primary transcript (326 bytes)
1: ...ripts of [[messanger RNA]]s are also called [[Pre-mRNA]]s.

Internal ribosome entry site (563 bytes)
1: ...lation can only be initiated at the 5' end of the mRNA molecule, since [[5' cap]] recognition is require...
2: ...s are very rare, and are mainly observed in viral mRNAs.

Nonsense mutation (2546 bytes)
1: ...in the [[transcription (genetics)|transcribed]] [[mRNA]], and possibly a truncated (and often nonfunctio...
4: For example, given the following DNA sequence, mRNA transcript, and protein product:
7: mRNA: AUG ACU CAC CGA GCG CGU AGC UGA
12: mRNA: AUG ACU CAC <font style="background-color:#fcc">...
18: The remaining codons of the mRNA are not translated into amino acids because the s...

Transcriptome (1151 bytes)
1: ...ranscriptome''' is the set of all [[Messenger RNA|mRNA]] molecules (or ''transcripts'') in one or a popu...
3: ...It must be noted that the level of a given gene's mRNA is not directly proportional to the level of that...

CDNA library (939 bytes)
1: ...otein]]. cDNA for a library can be generated from mRNA via [[reverse transcriptase]].

Messenger RNA (5177 bytes)
1: ...interaction.png|thumb|300px|The interaction of '''mRNA''' in a eukaryote cell. RNA is created in the [[T...
2: '''Messenger RNA''' ('''mRNA''') is [[RNA]] that carries information from [[DN...
3: ... where [[ribosome]]s reside). Also in eukaryotes, mRNA undergoes several processing steps before it is r...
5: ...ences and are called [[exon]]s. Sometimes one pre-mRNA message may be spliced in several different ways,...
6: ...e]] nucleotides is added to the 3' end of the pre-mRNA. This helps increase the [[half-life]] of the mes...

Nirenberg and Leder experiment (819 bytes)
3: ... acid]], it was possible to determine the triplet mRNA sequence that coded for each amino acid.

3' UTR (1415 bytes)
1: ...n''') is a particular section of messenger RNA ([[mRNA]]).
3: Like all strands of nucleic acid, mRNA is directional. One end is the 5' (five [[prime (...
17: * Polyadenylation signals target the mRNA to the [[ribosome]], where it is [[translation (b...
18: ... occur in the 3' UTRs of [[eukaryote|eukaryotic]] mRNAs, direct the ribosome to translate UGA codons as ...

Formylmethionine (925 bytes)
1: ...ing with the AUG start [[codon]] located on the [[mRNA]].

Coding region (181 bytes)
1: ...NA]] that is [[transcription|transcribed]] into [[mRNA]] and [[translation|translated]] into [[protein]]...

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "mrna".