Mechanisms of epigenetic memory

Agustina D'Urso, Jason H. Brickner*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

95 Scopus citations

Abstract

Although genetics has an essential role in defining the development, morphology, and physiology of an organism, epigenetic mechanisms have an essential role in modulating these properties by regulating gene expression. During development, epigenetic mechanisms establish stable gene expression patterns to ensure proper differentiation. Such mechanisms also allow organisms to adapt to environmental changes and previous experiences can impact the future responsiveness of an organism to a stimulus over long timescales and even over generations. Here, we discuss the concept of epigenetic memory, defined as the stable propagation of a change in gene expression or potential induced by developmental or environmental stimuli. We highlight three distinct paradigms of epigenetic memory that operate on different timescales.

Original languageEnglish (US)
Pages (from-to)230-236
Number of pages7
JournalTrends in Genetics
Volume30
Issue number6
DOIs
StatePublished - Jun 2014

Keywords

  • Chromatin
  • Epigenetics
  • Inheritance
  • Memory
  • Methylation
  • Nuclear pore complex

ASJC Scopus subject areas

  • Genetics

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