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Evolution of cis-regulatory sequence and function in Diptera.

P J Wittkopp1

  • 1Department of Ecology and Evolutionary Biology, University of Michigan, 1061 Natural Science Building, 830 North University Ave., Ann Arbor, MI 48109-1048, USA. wittkopp@umich.edu

Heredity
|July 20, 2006
PubMed
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Identifying cis-regulatory elements is challenging due to complex sequence-function relationships. Genomic-scale biochemical and in vivo studies are needed to understand gene regulation evolution.

Area of Science:

  • Genomics
  • Evolutionary Biology
  • Molecular Biology

Background:

  • Cis-regulatory sequences control gene expression vital for organism development and physiology.
  • Evolutionary alterations in these sequences drive phenotypic divergence.
  • Cis-regulatory regions are poorly understood genomic features.

Purpose of the Study:

  • To investigate the complex relationship between sequence evolution and gene expression patterns.
  • To identify challenges in the computational identification of cis-regulatory elements.
  • To propose methods for overcoming barriers in cis-regulatory sequence interpretation.

Main Methods:

  • Comparative analysis of gene regulation across Diptera species.
  • Examining sequence evolution patterns in relation to gene expression.

Related Experiment Videos

  • Highlighting the need for biochemical characterization and in vivo assays.

    • Main Results:

    • Divergent sequences can result in conserved gene expression.
    • Gene expression differences can evolve even with similar sequences.
    • The sequence-function relationship in cis-regulatory elements is complex.

    Conclusions:

    • The intricate structure-function relationship complicates computational identification of cis-regulatory elements.
    • Genomic-scale biochemical characterization and in vivo assays are crucial for advancing the field.
    • Understanding cis-regulatory sequence evolution is key to interpreting genomic function.