Tracheary element differentiation

    Research output: Contribution to journalArticlepeer-review


    Tracheary elements (TEs) are cells in the xylem that are highly specialized for transporting water and solutes up the plant. TEs undergo a very well-defined process of differentiation that involves specification, enlargement, patterned cell wall deposition, programmed cell death and cell wall removal. This process is coordinated such that adjacent TEs are joined together to form a continuous network. Expression studies on model systems as diverse as trees and cell cultures have contributed to providing a flood of candidate genes with potential roles in TE differentiation. Analysis of some of these genes has yielded important information on processes such as patterned secondary cell wall deposition. The current challenge is to continue this functional analysis and to use these data and build an integrated model of TE development. Copyright © 2007 by Annual Reviews. All rights reserved.
    Original languageEnglish
    Pages (from-to)407-433
    Number of pages26
    JournalAnnual Review of Plant Biology
    Publication statusPublished - 2007


    • Microtubules
    • Programmed cell death
    • Secondary cell wall
    • Xylem


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