RNA Precursors
RNA transcripts of the DNA that are in some unfinished stage of post-transcriptional processing (RNA PROCESSING, POST-TRANSCRIPTIONAL) required for function. RNA precursors may undergo several steps of RNA SPLICING during which the phosphodiester bonds at exon-intron boundaries are cleaved and the introns are excised. Consequently a new bond is formed between the ends of the exons. Resulting mature RNAs can then be used; for example, mature mRNA (RNA, MESSENGER) is used as a template for protein production.
Year introduced: 1988
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Subheadings:
Tree Number(s): D13.400.730, D13.444.735.640
MeSH Unique ID: D012322
Entry Terms:
- Precursors, RNA
- RNA Precursor
- Precursor, RNA
- Precursor RNA
- RNA, Precursor
- RNA, Transfer, Precursors
- tRNA Precursor
- Precursor, tRNA
- Pre-tRNA
- Pre tRNA
- RNA, Ribosomal, Precursors
- rRNA Precursor
- Precursor, rRNA
- Pre-rRNA
- Pre rRNA
- RNA, Small Nuclear, Precursors
- Pre-snRNA
- Pre snRNA
- snRNA Precursor
- Precursor, snRNA
- Primary RNA Transcript
- RNA Transcript, Primary
- Transcript, Primary RNA
- Primary Transcript, RNA
- RNA Primary Transcript
- Transcript, RNA Primary
- RNA, Messenger, Precursors
- Pre-mRNA
- Pre mRNA
- mRNA Precursor
- Precursor, mRNA
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