Related Experiment Video
Updated: Aug 6, 2025
12:02
Transient Gene Expression in Tobacco using Gibson Assembly and the Gene Gun
Published on: April 18, 2014
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[The birth of a gene]
1Biologiste, généticien et immunologiste, président d'Aprogène (Association pour la promotion de la Génomique), 13007 Marseille, France.
Medecine Sciences : M/S
|March 21, 2023
Summary
Researchers discovered short, non-canonical open reading frames (ORFs) in vertebrates with evidence of function. These mini-genes, some recently evolved, show specific expression patterns in humans, highlighting novel genetic elements.
Area of Science:
- Genomics
- Evolutionary Biology
- Molecular Biology
Context:
- Extensive vertebrate genome sequences and large-scale transcriptome data are now available.
- Non-canonical open reading frames (ORFs) are increasingly being identified.
- These ORFs often exhibit evidence of transcription, translation, and functional roles.
Purpose:
- To investigate the evolutionary origins and functional significance of non-canonical ORFs across vertebrates.
- To determine the timing of appearance for functional mini-genes.
- To analyze the expression patterns of recently evolved ORFs.
Summary:
- Numerous short, non-canonical ORFs with transcriptional and translational evidence have been discovered in vertebrates.
- Orthologs of these ORFs are detectable across diverse vertebrate species.
- The evolutionary emergence of functional mini-genes can be traced, with some appearing recently and exhibiting specific human expression.
Impact:
- Reveals novel functional genetic elements beyond traditional protein-coding genes.
- Provides insights into the dynamic nature of genome evolution and the emergence of new genes.
- Highlights the potential for recently evolved ORFs to play specific roles in human biology.
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