Xylem vessel cell differentiation: A best model for new integrative cell biology?

Xylem vessels transport water and essential low-molecular-weight compounds throughout vascular plants. To achieve maximum performance as conductive tissues, xylem vessel cells undergo secondary cell wall deposition and programmed cell death to produce a hollow tube-like structure with a rigid outer...

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Bibliographic Details
Published in:Current opinion in plant biology 2021-12, Vol.64, p.102135-102135, Article 102135
Main Authors: Kamon, Eri, Ohtani, Misato
Format: Article
Language:English
Subjects:
Arabidopsis - metabolism
Cell Differentiation
Cell Wall - metabolism
Gene Expression Regulation, Plant
Programmed cell death
Secondary cell wall
VND
Xylem - metabolism
Xylem vessel cell
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Summary:Xylem vessels transport water and essential low-molecular-weight compounds throughout vascular plants. To achieve maximum performance as conductive tissues, xylem vessel cells undergo secondary cell wall deposition and programmed cell death to produce a hollow tube-like structure with a rigid outer shell. This unique process has been explored in detail from a cell biology and molecular biology perspective, culminating in the identification of the master transcriptional switches of xylem vessel cell differentiation, the VASCULAR-RELATED NAC-DOMAIN (VND) proteins. High-resolution analyses of xylem vessel cell differentiation have since accelerated and are now moving toward single cell-level dissection from a variety of directions. In this review, we introduce the current model of xylem vessel cell differentiation and discuss possible future directions in this field. [Display omitted] •Xylem vessel differentiation is a cytologically unique process.•The master transcription factor VND proteins achieved the in vitro induction system.•Single-cell level dissections are now performed from a variety of directions.•It should be an attractive model for future ‘integrative cell biology’.
ISSN:1369-5266
1879-0356
DOI:10.1016/j.pbi.2021.102135