intron

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Reporter gene expression shows that a promoter within the intron is activated during ray 6 development and remains active in the adult.

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Definitions (2)

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  1. noun A segment of a gene situated between exons that is removed before translation of messenger RNA and does not function in coding for protein synthesis.

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Examples (31)

  • Structures composed of more than 100 nucleotide residues include the signal recognition particle RNA, group I intron, the GlmS ribozyme, RNAseP RNA, and ribosomal RNAs from Haloarcula morismortui, Escherichia coli, Thermus thermophilus, and Deinococcus radiodurans. —  CiteULike: Everyone's library
  • The latter is a chromatin silencing factor, and expression of the transgene is inhibited at the level of intron-containing precursor mRNA. —  CiteULike: Everyone's library
  • TICdb shows the position of each breakpoint mapped to a particular intron or exon of a specific Ensembl transcript. —  PLoS ONE Alerts: New Articles
  • Reporter gene expression shows that a promoter within the intron is activated during ray 6 development and remains active in the adult. —  CiteULike: Everyone's library
  • One potential difference between lacZ transcripts and endogenous messages is the long intron-less lacZ coding region. —  CiteULike: Everyone's library
 

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Etymologies (1)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. intr(agenic), occurring within a gene (intra- + genic) + -on1.
 

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