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Related Concept Videos

Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...
Cis-regulatory Sequences02:02

Cis-regulatory Sequences

Cis-regulatory sequences are short fragments of non-coding DNA that are present on the same chromosomes as the genes that they regulate. These fragments serve as binding sites for transcriptional regulators, proteins that are responsible for controlling gene transcription and differential gene expression across cell types in eukaryotes. Cis-regulatory sequences can be close to the gene of interest or thousands of bases away in the DNA sequence; however, those sequences that are further away are...
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Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...

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Related Experiment Video

Updated: Jun 15, 2026

Automated Analysis of C. elegans Fluorescence Images using SegElegans
06:27

Automated Analysis of C. elegans Fluorescence Images using SegElegans

Published on: October 10, 2025

Molecular evolution inferences from the C. elegans genome.

Asher D Cutter1

  • 1Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, M5S 3B2, Canada. asher.cutter@utoronto.ca

Wormbook : the Online Review of C. Elegans Biology
|March 10, 2010
PubMed
Summary
This summary is machine-generated.

Molecular evolution is driven by five key processes. Research in C. elegans has significantly advanced our understanding of these evolutionary mechanisms and organism biology.

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Area of Science:

  • Evolutionary biology
  • Molecular biology
  • Genomics
  • Developmental biology

Background:

  • Understanding molecular evolution requires integrating mutation, recombination, natural selection, genetic drift, and population dynamics.
  • The nematode C. elegans serves as a powerful model system for studying these fundamental evolutionary processes.

Purpose of the Study:

  • To provide an overview of key molecular evolution features revealed by C. elegans research.
  • To highlight the contributions of C. elegans to understanding evolutionary mechanisms.

Main Methods:

  • Experimental evolution studies in C. elegans.
  • Comparative genomic analyses.
  • Population genetic investigations.

Main Results:

  • C. elegans research has elucidated the interplay of mutation, selection, and drift.
  • Genomic studies reveal patterns of molecular evolution specific to C. elegans.
  • Population dynamics significantly influence evolutionary trajectories in C. elegans.

Conclusions:

  • The C. elegans system offers unique insights into the fundamental processes of molecular evolution.
  • Integrating diverse research approaches in C. elegans deepens our comprehension of evolutionary biology.