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Abstract— <p>Homeodomain-containing transcription factors (TFs) play an important role in controlling the development of higher eukaryotes, in particular, in the body plan specification. In plants, TFs of this group, especially representatives of the WOX family, are necessary for the formation and maintenance of meristems, the structures underlying postembryonic development and organogenesis. WOX TFs, together with their activity regulating CLE peptides and their receptors constitute the WOX–CLAVATA system, a conserved regulatory module that ensures the functioning of different meristems. The meristem formation, maintenance, and termination is a dynamic process that depends on many feedbacks that, in addition to the components of the WOX–CLAVATA system, involve TFs of other groups, as well as auxins and cytokinins. The review discusses the dynamic principles of meristem regulation, as well as the genetic control of the formation and functioning of facultative/irregular secondary meristems and the role of homeodomain-containing TFs in this process.</p>

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Wox Transcription Factors in the Development of Root “Irregular” Meristems

  • 期刊论文

  • 发表日期：

    2025年11月27日

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  • L. A. Lutova,
  • M. A. Lebedeva,
  • I. E. Dodueva,
  • I. A. Tikhonovich

摘要

Abstract—

Homeodomain-containing transcription factors (TFs) play an important role in controlling the development of higher eukaryotes, in particular, in the body plan specification. In plants, TFs of this group, especially representatives of the WOX family, are necessary for the formation and maintenance of meristems, the structures underlying postembryonic development and organogenesis. WOX TFs, together with their activity regulating CLE peptides and their receptors constitute the WOX–CLAVATA system, a conserved regulatory module that ensures the functioning of different meristems. The meristem formation, maintenance, and termination is a dynamic process that depends on many feedbacks that, in addition to the components of the WOX–CLAVATA system, involve TFs of other groups, as well as auxins and cytokinins. The review discusses the dynamic principles of meristem regulation, as well as the genetic control of the formation and functioning of facultative/irregular secondary meristems and the role of homeodomain-containing TFs in this process.