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Related Concept Videos

Leaky Scanning02:28

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During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R...
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De novo Identification of Actively Translated Open Reading Frames with Ribosome Profiling Data
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Engineering crop performance with upstream open reading frames.

Rui Mou1, Ruixia Niu1, Ruoying Yang1

  • 1State Key Laboratory of Hybrid Rice, Institute for Advanced Studies (IAS), Wuhan University, Wuhan, Hubei 430072, China.

Trends in Plant Science
|October 29, 2024
PubMed
Summary
This summary is machine-generated.

Translational control optimizes crop yields by regulating gene expression. Upstream open reading frames (uORFs) are key RNA regulatory elements (RREs) that enhance agricultural productivity through precise gene expression modulation.

Keywords:
gene editinggenetic engineeringsynthetic biologytransgenetranslational controlupstream open reading frame

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Area of Science:

  • Plant molecular biology
  • Agricultural science
  • Gene expression regulation

Background:

  • Plants regulate gene expression at multiple levels, including translation, to control growth and environmental responses.
  • Translational reprogramming is a critical mechanism for gene expression control in various physiological states.
  • RNA regulatory elements (RREs) can be manipulated to enhance crop productivity.

Purpose of the Study:

  • To elucidate the potential of upstream open reading frames (uORFs) as a class of RREs for optimizing crop performance.
  • To highlight the role of translational control in enhancing agricultural yields.
  • To demonstrate how manipulating uORFs can improve crop productivity.

Main Methods:

  • Focus on upstream open reading frames (uORFs) as specific RNA regulatory elements (RREs).
  • Investigate the modulation of heterologous gene expression via transgenes.
  • Explore endogenous gene expression through gene editing techniques.

Main Results:

  • Upstream open reading frames (uORFs) demonstrate significant potential in optimizing crop performance.
  • Translational control mechanisms, specifically through uORFs, are effective in enhancing agricultural yields.
  • Manipulation of RREs like uORFs can lead to improved crop productivity.

Conclusions:

  • Upstream open reading frames (uORFs) represent a powerful tool for enhancing crop productivity.
  • Translational control offers a viable strategy for improving agricultural yields.
  • Targeting RREs like uORFs is crucial for advancing crop science and ensuring food security.