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Related Experiment Video

Updated: May 26, 2026

A Bioinformatics Pipeline for Investigating Molecular Evolution and Gene Expression using RNA-seq

A Bioinformatics Pipeline for Investigating Molecular Evolution and Gene Expression using RNA-seq

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mRNA export and gene expression: the SAGA-TREX-2 connection.

Encar García-Oliver¹, Varinia García-Molinero, Susana Rodríguez-Navarro

¹Centro de Investigación Príncipe Felipe (CIPF), Gene Expression coupled with RNA Transport Laboratory, Valencia, Spain.

Biochimica Et Biophysica Acta

|December 20, 2011

Summary

Gene expression involves coupled transcription and mRNA export, regulated by protein complexes. Sus1 protein plays key roles in transcription and mRNA export, ensuring cellular survival.

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Method for the Isolation and Identification of mRNAs, microRNAs and Protein Components of Ribonucleoprotein Complexes from Cell Extracts using RIP-Chip

Method for the Isolation and Identification of mRNAs, microRNAs and Protein Components of Ribonucleoprotein Complexes from Cell Extracts using RIP-Chip

Published on: September 29, 2012

Area of Science:

Molecular Biology
Cell Biology
Genetics

Background:

Gene expression traditionally viewed as discrete steps.
Modern studies reveal a coupled network for mRNA biogenesis.
Regulation of gene expression is crucial for cellular survival.

Purpose of the Study:

Review the functional coupling of gene transcription and mRNA export.
Highlight the roles of TREX2 complex and SAGA co-activator.
Detail the functions of Sus1 in transcription and export.

Main Methods:

Literature review focusing on genetic and functional studies.
Analysis of experimental evidence for Sus1's roles.
Examination of Nuclear Pore Complex (NPC)-related processes.

Main Results:

Sus1 is experimentally evidenced to be involved in transcription initiation, elongation, and mRNA export.
The TREX2 complex and SAGA co-activator are central to transcription-export coupling.
NPC-related processes like gene gating and chromatin structure are reviewed.

Conclusions:

Gene expression is a coordinated, coupled process essential for cellular function.
Sus1 is a key player linking transcription and mRNA export.
Understanding these coupled mechanisms is vital for comprehending gene expression regulation.