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Genetic conflicts

L D Hurst1, A Atlan, B O Bengtsson

  • 1Department of Genetics, Cambridge University, United Kingdom.

The Quarterly Review of Biology
|September 1, 1996
PubMed
Summary
This summary is machine-generated.

Genetic conflicts arise from self-promoting elements within genomes, driving evolutionary arms races. Understanding genetic power is key to analyzing these conflicts and their role in evolution.

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Area of Science:

  • Genetics
  • Evolutionary Biology
  • Molecular Biology

Background:

  • Self-promoting elements, or selfish genetic elements, are genetic entities that spread within a genome, often at a cost to the host.
  • The spread of these elements can lead to genetic conflicts between different parts of the same genome.
  • Examples include meiotic drive genes and cytoplasmic sex ratio distorters.

Purpose of the Study:

  • To investigate the properties and diversity of genomic conflicts.
  • To analyze the logic and outcomes of genetic conflicts using modifier analysis.
  • To explore the role of genetic conflict in the evolution of various genetic systems.

Main Methods:

  • Theoretical analysis of genetic conflicts and modifier analysis.
  • Examination of potential diversity and logic of genomic conflicts.

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  • Review of existing literature and examples of genetic conflicts.

    • Main Results:

    • Every genetic system has potential conflicts, which can never be fully removed.
    • Conflict outcomes are often unpredictable, especially in strong conflicts with surprising suppressor forms.
    • Evidence suggests genetic conflict can drive evolutionary 'arms races' between elements and suppressors.

    Conclusions:

    • Genetic conflict may be a central force in the evolution of genetic systems.
    • The concept of 'genetic power' aids in analyzing conflict and its evolutionary importance.
    • Further research is needed to establish the full significance of conflict in evolution.