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Review article - Peer-reviewed, 2020

Genomic imprinting in plants-revisiting existing models

Batista, Rita A.; Kohler, Claudia

Abstract

Genomic imprinting is an epigenetic phenomenon leading to parentally biased gene expression. Throughout the years, extensive efforts have been made to characterize the epigenetic marks underlying imprinting in animals and plants. As a result, DNA methylation asymmetries between parental genomes emerged as the primary factor controlling the imprinting status of many genes. Nevertheless, the data accumulated so far suggest that this process cannot solely explain the imprinting of all genes. In this review, we revisit the current models explaining imprinting regulation in plants, and discuss novel regulatory mechanisms that could function independently of parental DNA methylation asymmetries in the establishment of imprinting.

Keywords

DNA methylation; genomic imprinting; Polycomb group proteins; plants

Published in

Genes and Development
2020, Volume: 34, number: 1-2, pages: 24-36
Publisher: COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT

      SLU Authors

    • UKÄ Subject classification

      Genetics

      Publication identifier

      DOI: https://doi.org/10.1101/gad.332924.119

      Permanent link to this page (URI)

      https://res.slu.se/id/publ/103846