Put your 3D glasses on: plant chromatin is on show

Natalia Yaneth Rodriguez Granados, Juan Sebastian Ramirez Prado, Alaguraj Veluchamy, David Latrasse, Cécile Raynaud, Martin Crespi, Federico Ariel, Moussa Benhamed

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

The three-dimensional organization of the eukaryotic nucleus and its chromosomal conformation have emerged as important features in the complex network of mechanisms behind gene activity and genome connectivity dynamics, which can be evidenced in the regionalized chromosomal spatial distribution and the clustering of diverse genomic regions with similar expression patterns. The development of chromatin conformation capture (3C) techniques has permitted the elucidation of commonalities between the eukaryotic phyla, as well as important differences among them. The growing number of studies in the field performed in plants has shed light on the structural and regulatory features of these organisms. For instance, it has been proposed that plant chromatin can be arranged into different conformations such as Rabl, Rosette-like, and Bouquet, and that both short- and long-range chromatin interactions occur in Arabidopsis. In this review, we compile the current knowledge about chromosome architecture characteristics in plants, as well as the molecular events and elements (including long non-coding RNAs, histone and DNA modifications, chromatin remodeling complexes, and transcription factors) shaping the genome three-dimensional conformation. Furthermore, we discuss the developmental outputs of genome topology-mediated gene expression regulation. It is becoming increasingly clear that new tools and techniques with higher resolution need to be developed and implemented in Arabidopsis and other model plants in order to better understand chromosome architecture dynamics, from an integrative perspective with other fields of plant biology such as development, stress biology, and finally agriculture. © 2016 The Author 2016.
Original languageEnglish (US)
Pages (from-to)3205-3221
Number of pages17
JournalJournal of Experimental Botany
Volume67
Issue number11
DOIs
StatePublished - Apr 29 2016

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