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Related Experiment Videos

A selfish origin for recombination.

Marco Archetti1

  • 1Département de Biologie, Ecologie et Evolution, Université de Fribourg, Chemin du Musée 10, Fribourg CH-1700, Switzerland. marco.archetti@unifr.ch

Journal of Theoretical Biology
|July 10, 2003
PubMed
Summary
This summary is machine-generated.

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Recombination, initiated by homologous chromosome interactions, may spread self-promoting alleles via gene conversion. This suggests recombination

Area of Science:

  • Molecular Biology
  • Evolutionary Genetics
  • Genetics

Background:

  • Recombination is initiated by homologous chromosome interactions.
  • Specific alleles can induce recombination initiation on homologous chromosomes.

Purpose of the Study:

  • To investigate if recombination can act as a mechanism for self-promoting elements to spread.
  • To explore the evolutionary consequences of recombination, particularly in relation to intragenomic conflict and the origin of sexual reproduction.

Main Methods:

  • Development of a simple mathematical model.
  • Analysis of existing molecular biology evidence.

Main Results:

  • Gene conversion at the initiation site strongly promotes allele transmission.

Related Experiment Videos

  • Recombination can facilitate the spread of self-promoting alleles, irrespective of individual or population advantage.

    • Conclusions:

    • Recombination may serve as a vehicle for the propagation of selfish genetic elements.
    • The evolution of recombination under asexual reproduction can lead to intragenomic conflict, potentially driving the emergence of sexual reproduction.