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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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Related Experiment Video

Updated: Apr 7, 2026

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

Interactome analysis brings splicing into focus.

Daniel Dominguez¹, Christopher B Burge^2,3

¹Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, 02142, USA.

|July 8, 2015

Summary

This summary is machine-generated.

Researchers explored how splicing-regulatory proteins control the spliceosome, a large molecular machine, to influence gene expression. This study offers new insights into the dynamic assembly of the spliceosome on pre-mRNA.

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Area of Science:

Molecular Biology
Genetics
Biochemistry

Background:

The spliceosome is a dynamic molecular machine responsible for pre-mRNA splicing.
Splicing-regulatory proteins play crucial roles in controlling gene expression by modulating spliceosome activity.

Purpose of the Study:

To investigate the mechanisms by which splicing-regulatory proteins influence spliceosome assembly.
To understand how these proteins activate or repress pre-mRNA splicing.

Main Methods:

Interactome analysis was employed to identify protein interactions.
The study focused on the dynamic assembly of the spliceosome on its pre-mRNA substrates.

Main Results:

The study provides new clues regarding the role of splicing-regulatory proteins in modulating spliceosome assembly.
Evidence suggests these proteins can either activate or repress splicing.

Conclusions:

Splicing-regulatory proteins are key players in controlling spliceosome dynamics.
Understanding these interactions is crucial for comprehending gene regulation.