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Homeostasis of histone acetylation is critical for auxin signaling and root morphogenesis

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Abstract

Key message

The auxin signaling and root morphogenesis are harmoniously controlled by two counteracted teams including (1) auxin/indole-3-acetic acid (AUX/IAA)-histone deacetylase (HDA) and (2) auxin response factor (ARF)-histone acetyltransferase (HAT).

Abstract

The involvement of histone acetylation in the regulation of transcription was firstly reported a few decades ago. In planta, auxin is the first hormone group that was discovered and it is also the most studied phytohormone. Current studies have elucidated the functions of histone acetylation in the modulation of auxin signaling as well as in the regulation of root morphogenesis under both normal and stress conditions. Based on the recent outcomes, this review is to provide a hierarchical view about the functions of histone acetylation in auxin signaling and root morphogenesis. In this report, we suggest that the auxin signaling must be controlled harmoniously by two counteracted teams including (1) auxin/indole-3-acetic acid (AUX/IAA)-histone deacetylase (HDA) and (2) auxin response factor (ARF)-histone acetyltransferase (HAT). Moreover, the balance in auxin signaling is very critical to contribute to normal root morphogenesis.

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Acknowledgements

We would like to thank Chelsea Anita Kelland (University of California at Davis, USA) for her careful and critical reading of our manuscript.

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CTN and NHN wrote the manuscript. NHN supervised the writing of the manuscript. GBT searched the literature and revised the manuscript. All authors gave final approval for publication and agree to be held accountable for the work performed therein.

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Correspondence to Nguyen Hoai Nguyen.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Nguyen, C.T., Tran, GB. & Nguyen, N.H. Homeostasis of histone acetylation is critical for auxin signaling and root morphogenesis. Plant Mol Biol 103, 1–7 (2020). https://doi.org/10.1007/s11103-020-00985-1

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  • DOI: https://doi.org/10.1007/s11103-020-00985-1

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