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Updated: May 14, 2026

A Method to Preserve Wetland Roots and Rhizospheres for Elemental Imaging

A Method to Preserve Wetland Roots and Rhizospheres for Elemental Imaging

Published on: February 15, 2021

Trust in nature.

¹State Key Laboratory of Protein and Plant Gene Research; College of Life Sciences; Peking University; Beijing, China.

Plant Signaling & Behavior

|February 22, 2013

Summary

This summary is machine-generated.

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Histone deacetylase HDA18 regulates Arabidopsis root epidermal cell patterning by mediating positional information. Its mutation mimics chemical inhibition, suggesting a key role in cell fate determination.

Area of Science:

Plant Biology
Developmental Biology
Epigenetics

Background:

Arabidopsis root epidermis cell differentiation into hair (H) and non-hair (N) cells is position-dependent.
Positional information is sensed at the plasma membrane but its nuclear relay mechanism remains unclear.
Histone acetylation's role in mediating this positional information was previously proposed.

Discussion:

The histone deacetylase (HDAC) inhibitor Trichostatin A (TSA) induces N-to-H cell fate conversion.
Mutation of HDA18, a histone deacetylase, phenocopies TSA treatment, supporting HDA18's involvement.
This suggests HDA18 is crucial for relaying positional signals to the nucleus.

Key Insights:

HDA18 is a key regulator of cellular patterning in the Arabidopsis root epidermis.

Keywords:

Arabidopsis HDA18 hitone deacetylation kinases root epidermis

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Last Updated: May 14, 2026

A Method to Preserve Wetland Roots and Rhizospheres for Elemental Imaging

A Method to Preserve Wetland Roots and Rhizospheres for Elemental Imaging

Published on: February 15, 2021

Measuring Biophysical and Psychological Stress Levels Following Visitation to Three Locations with Differing Levels of Nature

Measuring Biophysical and Psychological Stress Levels Following Visitation to Three Locations with Differing Levels of Nature

Published on: June 19, 2019

Histone deacetylation by HDA18 is involved in the epigenetic control of cell fate.

The study characterizes HDA18's function in mediating positional information for cell differentiation.

Outlook:

Further biochemical characterization of HDA18 is needed.
Investigating the precise molecular mechanisms by which HDA18 influences gene expression in root epidermal patterning.
Understanding HDA18's role could reveal novel epigenetic pathways in plant development.