Tidying-up the plant nuclear space: domains, functions, and dynamics

Abstract Understanding how the packaging of chromatin in the nucleus is regulated and organized to guide complex cellular and developmental programmes, as well as responses to environmental cues is a major question in biology. Technological advances have allowed remarkable progress within this field...

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Bibliographic Details
Published in:Journal of experimental botany 2020-08, Vol.71 (17), p.5160-5178
Main Authors: Santos, Ana Paula, Gaudin, Valérie, Mozgová, Iva, Pontvianne, Frédéric, Schubert, Daniel, Tek, Ahmet L, Dvořáčková, Martina, Liu, Chang, Fransz, Paul, Rosa, Stefanie, Farrona, Sara
Format: Article
Language:English
Subjects:
Biochemistry, Molecular Biology
Botanics
Botanik
Botany
Cell Nucleolus
Cell Nucleus
Chromatin
Gene Expression Regulation
Genomics
Life Sciences
Plants - genetics
Review Papers
Vegetal Biology
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Summary:Abstract Understanding how the packaging of chromatin in the nucleus is regulated and organized to guide complex cellular and developmental programmes, as well as responses to environmental cues is a major question in biology. Technological advances have allowed remarkable progress within this field over the last years. However, we still know very little about how the 3D genome organization within the cell nucleus contributes to the regulation of gene expression. The nuclear space is compartmentalized in several domains such as the nucleolus, chromocentres, telomeres, protein bodies, and the nuclear periphery without the presence of a membrane around these domains. The role of these domains and their possible impact on nuclear activities is currently under intense investigation. In this review, we discuss new data from research in plants that clarify functional links between the organization of different nuclear domains and plant genome function with an emphasis on the potential of this organization for gene regulation. We review recent discoveries that have elucidated how the spatial organization of the nuclear DNA in functional domains is relevant for the regulation of the genome in plants.
ISSN:0022-0957
1460-2431
1460-2431
DOI:10.1093/jxb/eraa282