"RNA Precursors" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
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.
- RNA Precursor
- Precursor, RNA
- Precursor RNA
- RNA, Precursor
Primary RNA Transcript
- Primary RNA Transcript
- RNA Transcript, Primary
- Transcript, Primary RNA
- Primary Transcript, RNA
- RNA Primary Transcript
- Transcript, RNA Primary
Below are MeSH descriptors whose meaning is more general than "RNA Precursors".
Below are MeSH descriptors whose meaning is more specific than "RNA Precursors".
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