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[Epigenetic heredity in evolution].

E Jablonka1, M J Lamb

  • 1Cohn Institute for the History and Philosophy of Science and of Ideas, Tel-Aviv University, Tel-Aviv 69978, Israel.

Tsitologiia
|March 3, 2004
PubMed
Summary
This summary is machine-generated.

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Cell memory, driven by epigenetic inheritance systems (EISs), plays a crucial role in heredity and evolution. These systems allow traits acquired during an organism's life to be passed down, influencing major evolutionary processes.

Area of Science:

  • Cell Biology
  • Evolutionary Biology
  • Genetics

Context:

  • Epigenetic inheritance systems (EISs) are fundamental to cell memory.
  • Cell memory enables the transmission of acquired cell phenotypes across generations.
  • Transgenerational epigenetic inheritance is a significant, yet often overlooked, aspect of heredity.

Purpose:

  • To explore the role of cell memory in heredity and evolution.
  • To describe the properties of EISs that facilitate cell memory and epigenetic inheritance.
  • To highlight the importance of transgenerational epigenetic inheritance in evolutionary processes.

Summary:

  • Epigenetic inheritance systems (EISs) provide the mechanism for cell memory, allowing environmentally and developmentally induced phenotypes to be inherited across cell lineages.

Related Experiment Videos

  • The study posits that transgenerational epigenetic inheritance is a vital component of heredity, contributing to major evolutionary events.
  • The paper examines the influence of EISs on the evolution of multicellularity, ontogeny, chromosome organization, and reproductive isolation.

    • Impact:

    • Understanding EISs and epigenetic inheritance offers new perspectives on major evolutionary mechanisms.
    • This research underscores the significance of non-genetic inheritance in shaping life's diversity.
    • The findings contribute to a more comprehensive view of heredity, integrating epigenetic factors into evolutionary theory.