Origins of life

, Volume 8, Issue 1, pp 39–53 | Cite as

Symbiosis and the origin of life

  • G. A. M. King
Article

Abstract

The paper uses chemical kinetic arguments and illustrations by computer modelling to discuss the origin and evolution of life. Complex self-reproducing chemical systems cannot arise spontaneously, whereas simple auto-catalytic systems can, especially in an irradiated aqueous medium. Self-reproducing chemical particles of any complexity, in an appropriate environment, have a self-regulating property which permits long-term survival. However, loss of materials from the environment can lead to continuing decay which is circumvented by physical union between different kinds of self-reproducing particles. The increasing complexity produced by such unions (symbioses) is irreversible so that the chemical system evolves. It is suggested that evolution by successive symbioses brough about the change from simple, spontaneously arising, auto-catalytic particles to complex prokaryotic cells.

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Copyright information

© D. Reidel Publishing Company 1977

Authors and Affiliations

  • G. A. M. King
    • 1
  1. 1.Physics and Engineering LaboratoryD.S.I.R.Lower HuttNew Zealand

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