guide sequence

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Food Biotechnology

An RNA molecule (or a part of it) which hybridizes with eukaryotic mRNA and aids in the splicing of intron sequences. Guide sequences may be either external (EGS) or internal (IGS) to the RNA being processed and may hybridize with either intron or exon sequences close to the splice junction. See: split gene.

UN Food and Agriculture Organization — Glossary of Biotechnology for Food and Agriculture