Chromatin dynamics of plant telomeres and ribosomal genes

The Plant Journal : for Cell and Molecular Biology
Martina DvořáčkováJiří Fajkus

Abstract

Telomeres and genes encoding 45S ribosomal RNA (rDNA) are frequently located adjacent to each other on eukaryotic chromosomes. Although their primary roles are different, they show striking similarities with respect to their features and additional functions. Both genome domains have remarkably dynamic chromatin structures. Both are hypersensitive to dysfunctional histone chaperones, responding at the genomic and epigenomic levels. Both generate non-coding transcripts that, in addition to their epigenetic roles, may induce gross chromosomal rearrangements. Both give rise to chromosomal fragile sites, as their replication is intrinsically problematic. However, at the same time, both are essential for maintenance of genomic stability and integrity. Here we discuss the structural and functional inter-connectivity of telomeres and rDNA, with a focus on recent results obtained in plants.

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Citations

Jan 24, 2016·Chromosoma·Pasquale TermolinoClara Conicella
Nov 26, 2015·Plant Molecular Biology·Petra Procházková SchrumpfováJiří Fajkus
Jun 24, 2015·The Plant Journal : for Cell and Molecular Biology·Crisanto Gutierrez, Holger Puchta
Oct 27, 2016·Plant Molecular Biology·Kateřina HavlováJiří Fajkus
Oct 19, 2016·Nucleus·Claire Picart, Frédéric Pontvianne
Nov 7, 2016·Current Opinion in Plant Biology·Crisanto GutierrezJoana Sequeira-Mendes
Jun 3, 2016·Microbiology and Molecular Biology Reviews : MMBR·Rakesh SrivastavaSeong Hoon Ahn
Jun 20, 2020·Journal of Experimental Botany·Ana Paula SantosSara Farrona
Jul 26, 2016·Frontiers in Plant Science·Petra Procházková SchrumpfováJiří Fajkus
Sep 9, 2017·Protoplasma·Joanna MajkaArkadiusz Kosmala
Feb 27, 2018·Frontiers in Plant Science·Natalia O KalininaMichael Taliansky
Nov 16, 2018·PloS One·Emanuelle Varão VasconcelosAna Christina Brasileiro-Vidal
Oct 3, 2020·Environmental Science and Pollution Research International·Cláudia CastroJosé Lima-Brito
Dec 14, 2019·The Plant Journal : for Cell and Molecular Biology·Kateřina AdamusováMiloslava Fojtová
Jun 28, 2018·Plant Molecular Biology·Ladislav DokládalEva Sýkorová
Nov 3, 2020·Frontiers in Plant Science·Kateřina Havlová, Jiří Fajkus
Dec 29, 2020·The Plant Journal : for Cell and Molecular Biology·Karolína KolářováMartina Dvořáčková

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