Histone H2A/H2B chaperones: from molecules to chromatin-based functions in plant growth and development

The Plant Journal : for Cell and Molecular Biology
Wangbin ZhouWen-Hui Shen

Abstract

Nucleosomal core histones (H2A, H2B, H3 and H4) must be assembled, replaced or exchanged to preserve or modify chromatin organization and function according to cellular needs. Histone chaperones escort histones, and play key functions during nucleosome assembly/disassembly and in nucleosome structure configuration. Because of their location at the periphery of nucleosome, histone H2A-H2B dimers are remarkably dynamic. Here we focus on plant histone H2A/H2B chaperones, particularly members of the NUCLEOSOME ASSEMBLY PROTEIN-1 (NAP1) and FACILITATES CHROMATIN TRANSCRIPTION (FACT) families, discussing their molecular features, properties, regulation and function. Covalent histone modifications (e.g. ubiquitination, phosphorylation, methylation, acetylation) and H2A variants (H2A.Z, H2A.X and H2A.W) are also discussed in view of their crucial importance in modulating nucleosome organization and function. We further discuss roles of NAP1 and FACT in chromatin-based processes, such as transcription, DNA replication and repair. Specific functions of NAP1 and FACT are evident when their roles are considered with respect to regulation of plant growth and development and in plant responses to environmental stresses. Future major challeng...Continue Reading

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Citations

Jun 24, 2015·The Plant Journal : for Cell and Molecular Biology·Crisanto Gutierrez, Holger Puchta
Nov 5, 2016·The New Phytologist·Giorgio Perrella, Eirini Kaiserli
Apr 21, 2018·The Plant Journal : for Cell and Molecular Biology·Jing MaWen-Hui Shen
Feb 2, 2019·PLoS Genetics·Mathias NielsenSebastian Marquardt
Jun 20, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ashish KumarDileep Vasudevan
May 12, 2020·Journal of Experimental Botany·Aline V ProbstCrisanto Gutierrez
Oct 20, 2018·International Journal of Molecular Sciences·Hendry SusilaJi Hoon Ahn
Nov 11, 2019·Cell Stress & Chaperones·Ashish Kumar, Dileep Vasudevan
Oct 23, 2019·Biomolecules·Eduardo Mateo-BonmatíKarin Ljung
Jun 23, 2018·Nucleic Acids Research·Wladyslaw A KrajewskiYali Dou
Nov 18, 2020·Proceedings of the National Academy of Sciences of the United States of America·Qiang LuoAiwu Dong

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