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Updated: May 31, 2026

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

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

Published on: December 19, 2011

Regulatory variation within and between species.

Wei Zheng¹, Tara A Gianoulis, Konrad J Karczewski

¹Department of Molecular, Cellular, and Developmental Biology, Biostatics Resources, Keck Laboratory, Yale University, New Haven, Connecticut 06520, USA. wei.zheng@yale.edu

Annual Review of Genomics and Human Genetics

|July 5, 2011

Summary

Differential gene regulation drives biological variation within and between species. This review explores evolutionary-developmental biology, genomics, and transcription factor binding to understand regulatory evolution.

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Area of Science:

Evolutionary biology
Genomics
Developmental biology

Background:

Understanding biological variation within and between species is crucial.
Differential gene regulation is increasingly recognized as a key driver of this variation.

Purpose of the Study:

To review differential gene regulation in the context of evolutionary-developmental (evo-devo) biology.
To explore the relationship between regulatory sequence divergence, coding sequence divergence, and transcription factor binding events.
To discuss the implications for the evolution of regulatory networks and future research challenges.

Main Methods:

Comparative genomics analysis.
Whole-genome gene expression profiling.
Transcription factor (TF) binding site analysis.

Main Results:

Divergence rates of regulatory sequences, coding sequences, and TF binding events show complex relationships.
Regulatory variation plays a significant role in species divergence and evolutionary adaptation.
Evolution of regulatory networks is shaped by changes in gene regulation.

Conclusions:

Differential gene regulation is a fundamental mechanism underlying biological diversity.
Integrating genomic, transcriptomic, and epigenomic data is essential for understanding regulatory evolution.
Future research should focus on mechanistic links between regulatory variation and phenotypic divergence.