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Related Concept Videos

Alternative RNA Splicing02:18

Alternative RNA Splicing

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Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
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Alternative RNA Splicing02:18

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What is Gene Expression?01:36

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A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is comprised  of nucleotides and proteins are comprised of amino acids, a mediator is required to convert the information encoded in DNA into proteins. This mediator is the messenger RNA (mRNA). mRNA copies the blueprint from DNA by a process called transcription. In eukaryotes, transcription occurs in the nucleus by complementary base-pairing with the DNA template. The mRNA is then...
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Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
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In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...
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Regulation of Expression at Multiple Steps01:23

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The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
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Using the E1A Minigene Tool to Study mRNA Splicing Changes
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Methods for Analyzing Alternative Splicing and Its Regulation in Plants: From Gene-Specific Approaches to

Stavros Vraggalas1, Oussama Guennich2,3, Boushra Shalha1

  • 1Molecular and Cell Biology of Plants, Institute of Molecular Biosciences, Goethe University Frankfurt, Frankfurt am Main, Germany.

Physiologia Plantarum
|November 18, 2025
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Summary
This summary is machine-generated.

This review compares methods for studying alternative splicing in plants, a key process for development and stress response. Understanding splicing regulation aids in plant adaptation and crop improvement.

Keywords:
RNA‐binding proteinsalternative splicingplant RNA biologysplicing regulationtranscriptome‐wide analysis

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Area of Science:

  • Plant molecular biology
  • Gene expression regulation

Background:

  • Precursor messenger RNA (pre-mRNA) splicing is crucial for gene regulation in plants, impacting mRNA levels and protein diversity.
  • Alternative splicing is vital for plant development and environmental stress responses, controlled by the spliceosome and splicing factors.

Purpose of the Study:

  • To review and compare experimental methods for analyzing alternative splicing regulation and profiles in plants.
  • To provide insights into the advantages, limitations, and applications of various gene-specific and transcriptome-wide techniques.

Main Methods:

  • Gene-specific assays: minigene assays, transient expression systems, electrophoretic mobility shift assays (EMSA), isothermal titration calorimetry (ITC).
  • High-throughput methods for identifying RNA-binding partners and interactions in vivo and in vitro.
  • Transcriptome-wide approaches for analyzing splicing profiles.

Main Results:

  • Gene-specific methods offer detailed insights into splicing factor-RNA interactions.
  • High-throughput and transcriptome-wide methods enable large-scale analysis of splicing events and factor interactions.
  • Comparison highlights the utility of diverse techniques for plant alternative splicing research.

Conclusions:

  • Effective analysis of alternative splicing requires selecting appropriate gene-specific and high-throughput methods.
  • Understanding alternative splicing is key to plant adaptation to environmental changes.
  • Research in this area has implications for improving crop resilience and yield.