Histone Deacetylase HDA19 Affects Root Cortical Cell Fate by Interacting with SCARECROW | Zendy

Wenqian Chen | Zendy; Colleen Drapek | Zendy; Dongxu Li | Zendy; Zhihong Xu | Zendy; Philip N. Benfey | Zendy; Shug Bai | Zendy

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Histone Deacetylase HDA19 Affects Root Cortical Cell Fate by Interacting with SCARECROW

Author(s) -

Wenqian Chen,

Colleen Drapek,

Dongxu Li,

Zhihong Xu,

Philip N. Benfey,

Shug Bai

Publication year - 2019

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.19.00056

Subject(s) - cell fate determination , arabidopsis , biology , microbiology and biotechnology , transcription factor , histone , epidermis (zoology) , asymmetric cell division , histone deacetylase , arabidopsis thaliana , cell division , mutant , cellular differentiation , root hair , gene , cell , genetics , anatomy

The Arabidopsis ( Arabidopsis thaliana ) root epidermis is a simple model for investigating cell fate specification and pattern formation. In addition to regulatory networks consisting of transcription factors, histone deacetylases are also involved in the formation of cellular patterns. Here, we report thatHistone Deacetylase19 (HDA19) affects the root epidermal cellular pattern through regulation of cortical cell fate by interacting with SCARECROW (SCR). HDA19 binds to the DNA sequence upstream of SCR , as well as to those of several of SCR's target genes, and regulates their expression. Mutant lines of several SCR target genes show impaired patterns of epidermal differentiation and cortical cell division, similar to that of hda19 This work presents HDA19 and SCR as two further players in the regulation of cortical and epidermal cell specification and describes an additional function for SCR.

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