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Related Concept Videos

RNA Splicing01:32

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...
Pre-mRNA Processing02:01

Pre-mRNA Processing

In eukaryotic cells, transcripts made by RNA polymerase are modified and processed before exiting the nucleus. Unprocessed RNA is called precursor mRNA or pre-mRNA to distinguish it from mature mRNA.
Once about 20-40 ribonucleotides have been joined together by RNA polymerase, a group of enzymes adds a “cap” to the 5’ end of the growing transcript. In this process, a 5’ phosphate is replaced by modified guanosine that has a methyl group attached to it (7-Methyl guanosine). This 5’ cap helps the...
RNA Splicing01:32

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...
Alternative RNA Splicing02:18

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...
Pre-mRNA Processing: RNA Splicing01:32

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...
Alternative RNA Splicing02:18

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...

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Related Experiment Video

Updated: Jul 15, 2026

Detection of Alternative Splicing During Epithelial-Mesenchymal Transition
11:48

Detection of Alternative Splicing During Epithelial-Mesenchymal Transition

Published on: October 9, 2014

Single molecule profiling of alternative pre-mRNA splicing.

Jun Zhu1, Jay Shendure, Robi D Mitra

  • 1Department of Genetics, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA.

Science (New York, N.Y.)
|August 9, 2003
PubMed
Summary

Digital polony exon profiling is a new technology to study alternative pre-messenger RNA splicing. It allows researchers to monitor and quantify diverse splicing patterns in individual transcripts.

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Quantitative Analysis of Alternative Pre-mRNA Splicing in Mouse Brain Sections Using RNA In Situ Hybridization Assay
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Quantitative Analysis of Alternative Pre-mRNA Splicing in Mouse Brain Sections Using RNA In Situ Hybridization Assay

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Identification of Alternative Splicing and Polyadenylation in RNA-seq Data
08:35

Identification of Alternative Splicing and Polyadenylation in RNA-seq Data

Published on: June 24, 2021

Related Experiment Videos

Last Updated: Jul 15, 2026

Detection of Alternative Splicing During Epithelial-Mesenchymal Transition
11:48

Detection of Alternative Splicing During Epithelial-Mesenchymal Transition

Published on: October 9, 2014

Quantitative Analysis of Alternative Pre-mRNA Splicing in Mouse Brain Sections Using RNA In Situ Hybridization Assay
11:22

Quantitative Analysis of Alternative Pre-mRNA Splicing in Mouse Brain Sections Using RNA In Situ Hybridization Assay

Published on: August 26, 2018

Identification of Alternative Splicing and Polyadenylation in RNA-seq Data
08:35

Identification of Alternative Splicing and Polyadenylation in RNA-seq Data

Published on: June 24, 2021

Area of Science:

  • Molecular Biology
  • Genetics
  • Bioinformatics

Background:

  • Alternative pre-messenger RNA (mRNA) splicing generates protein diversity, contributing to mammalian complexity.
  • Understanding alternative splicing is crucial for explaining gene function and organismal complexity from a limited gene set.

Purpose of the Study:

  • To introduce and describe a novel single molecule-based technology called digital polony exon profiling.
  • To enable the study of complex alternative pre-messenger RNA splicing patterns at the individual transcript level.

Main Methods:

  • Digital polony exon profiling utilizes a minisequencing strategy for single nucleotide resolution.
  • The technology employs a digital approach to quantify individual splicing variants.
  • It allows monitoring of combinatorial diversity in exon inclusion within single transcripts.

Main Results:

  • The developed technology provides high-resolution analysis of alternative splicing events.
  • It enables accurate quantitation of different splicing variants present in a sample.
  • Demonstrates the capability to study exon inclusion diversity at the single-molecule level.

Conclusions:

  • Digital polony exon profiling is a powerful tool for investigating complex alternative splicing.
  • This technology can be applied to study the physiological and pathological roles of alternatively spliced mRNAs.
  • It offers new avenues for understanding the mechanisms regulating alternative splicing.