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Alternative RNA Splicing

Alternative RNA Splicing

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...

Alternative RNA Splicing

Alternative RNA Splicing

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...

RNA Splicing

RNA Splicing

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...

RNA Splicing

RNA Splicing

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...

Exon Recombination

Exon Recombination

The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes.
Exon shuffling follows “splice frame rules.” Each exon has three reading...

Pre-mRNA Processing: RNA Splicing

Pre-mRNA Processing: RNA Splicing

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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Related Experiment Video

Updated: Jun 1, 2026

Using the E1A Minigene Tool to Study mRNA Splicing Changes

Using the E1A Minigene Tool to Study mRNA Splicing Changes

Published on: April 22, 2021

Alternative splicing: a paradoxical qudo in eukaryotic genomes.

Luv Kashyap, Ravi Kumar Sharma

|June 15, 2011

Summary

The number of protein-coding genes does not reflect organism complexity. Alternative splicing, a process generating protein diversity, helps explain this, but its frequency remains unclear.

Area of Science:

Genomics
Bioinformatics
Molecular Biology

Background:

Genome sequencing reveals no direct correlation between gene count and organism complexity.
Alternative splicing is a key mechanism for increasing proteomic diversity and cellular complexity.

Purpose of the Study:

To explore the role of alternative splicing in explaining the gene-protein complexity discrepancy.
To review recent advancements and future challenges in functional genomics and bioinformatics for alternative splicing research.

Main Methods:

Analysis of genomic data from diverse species.
Integration of advances in data acquisition and biological process understanding.
Development and application of computational analysis tools for alternative splicing.

Keywords:

alternative splicing cellular complexity genes protein

More Related Videos

Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells

Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells

Published on: April 26, 2017

Identification of Alternative Splicing and Polyadenylation in RNA-seq Data

Identification of Alternative Splicing and Polyadenylation in RNA-seq Data

Published on: June 24, 2021

Related Experiment Videos

Last Updated: Jun 1, 2026

Using the E1A Minigene Tool to Study mRNA Splicing Changes

Using the E1A Minigene Tool to Study mRNA Splicing Changes

Published on: April 22, 2021

Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells

Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells

Published on: April 26, 2017

Identification of Alternative Splicing and Polyadenylation in RNA-seq Data

Identification of Alternative Splicing and Polyadenylation in RNA-seq Data

Published on: June 24, 2021

Main Results:

The frequency of alternative splicing remains incompletely understood despite genome sequencing.
Significant progress has been made in understanding alternative splicing through interdisciplinary efforts.

Conclusions:

Alternative splicing is crucial for understanding genome complexity beyond gene number.
Further research in functional genomics and bioinformatics is needed to fully elucidate alternative splicing's role and frequency.