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Updated: Jun 24, 2025

Quantitative Comparison of cis-Regulatory Element CRE Activities in Transgenic Drosophila melanogaster
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Quantitative Comparison of cis-Regulatory Element CRE Activities in Transgenic Drosophila melanogaster

Published on: December 19, 2011

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Viral cis-regulatory elements as sensors of cellular states and environmental cues

Jaice T Rottenberg1, Tommy H Taslim2, Luis F Soto-Ugaldi3

  • 1Department of Biology, Boston University, Boston, MA, USA.

Trends in Genetics : TIG
|May 31, 2024
PubMed

Insights

Viruses use viral cis-regulatory elements (CREs) to sense cellular signals and regulate replication, immune evasion, and latency. Sequence variations in these viral CREs can alter virus behavior and impact patient outcomes.

Area of Science:

  • Virology
  • Molecular Biology
  • Genomics

Background:

  • Viruses must adapt to cellular environments for replication.
  • Viral genomes contain cis-regulatory elements (CREs) that interact with host transcription factors.
  • These interactions allow viruses to sense and respond to cellular cues.

Purpose of the Study:

  • To characterize viral CREs and their regulatory mechanisms.
  • To understand how viral CREs integrate signals from host pathways.
  • To explore the link between viral CREs, replication, immune evasion, latency, and patient outcomes.

Main Methods:

  • Analysis of viral genome sequences.
  • Identification and characterization of cis-regulatory elements (CREs).
  • Investigation of host transcription factor binding and regulation.

Main Results:

  • Viral CREs act as signal integration hubs.
  • Sequence variation in viral CREs can rapidly alter virus sensing mechanisms.
  • These variations correlate with differences in viral replication, immune evasion, and latency.

Conclusions:

  • Viral CREs are critical for viruses to interpret and respond to cellular signals.
  • Sequence variability in viral CREs contributes to diverse viral behaviors and patient outcomes.
  • Targeting viral CREs could offer new therapeutic strategies.
Keywords:
cell signalingcis-regulatory elementtranscription factorviral latencyviral replicationvirus

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