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Regulation of Transcription Factor–Hormone Networks in Plants

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: closed (15 April 2024) | Viewed by 2532

Special Issue Editors


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Guest Editor
Institute of Molecular Biology and Pathology, National Research Council, 500185 Rome, Italy
Interests: plant development; morphogenesis; meristems; phytohormones

E-Mail Website
Guest Editor
Institute of Molecular Biology and Pathology, National Research Council, 500185 Rome, Italy
Interests: arabidopsis; developmental pathways; environmental responses; HD-Zip transcription factors

Special Issue Information

Dear Colleagues,

The generation of complex plant architectures depends on the coordinated balance between the proliferative activity of plant meristems and the differentiation of newly formed cells and tissues into organs with definite sizes, shapes and spatial arrangements. This balance is genetically controlled by molecular regulatory networks involving key transcription factors and phytohormones which, through a complex web of interactions, drive plant developmental patterning. Understanding the molecular mechanisms behind these networks is relevant to fundamental and applied research alike: agronomically relevant traits such as plant biomass, crop yield and agricultural land use all depend on the genetic mechanisms regulating plant architectures.

This Special Issue will focus on the TF–hormone molecular regulatory networks and their role in the genetic control of plant architecture, as well as explore recent advances in the regulation of meristems functions and organ formation. We will welcome original research contributions and timely review articles on model and crop species.

Dr. Massimiliano Sassi
Dr. Giovanna Sessa
Guest Editors

Manuscript Submission Information

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Keywords

  • transcription factors
  • hormones
  • regulatory networks
  • plant architecture
  • meristem
  • organogenesis

Published Papers (1 paper)

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Review

26 pages, 3205 KiB  
Review
Stem Cells: Engines of Plant Growth and Development
by Liu Hong and Jennifer C. Fletcher
Int. J. Mol. Sci. 2023, 24(19), 14889; https://doi.org/10.3390/ijms241914889 - 04 Oct 2023
Cited by 1 | Viewed by 1989
Abstract
The development of both animals and plants relies on populations of pluripotent stem cells that provide the cellular raw materials for organ and tissue formation. Plant stem cell reservoirs are housed at the shoot and root tips in structures called meristems, with the [...] Read more.
The development of both animals and plants relies on populations of pluripotent stem cells that provide the cellular raw materials for organ and tissue formation. Plant stem cell reservoirs are housed at the shoot and root tips in structures called meristems, with the shoot apical meristem (SAM) continuously producing aerial leaf, stem, and flower organs throughout the life cycle. Thus, the SAM acts as the engine of plant development and has unique structural and molecular features that allow it to balance self-renewal with differentiation and act as a constant source of new cells for organogenesis while simultaneously maintaining a stem cell reservoir for future organ formation. Studies have identified key roles for intercellular regulatory networks that establish and maintain meristem activity, including the KNOX transcription factor pathway and the CLV-WUS stem cell feedback loop. In addition, the plant hormones cytokinin and auxin act through their downstream signaling pathways in the SAM to integrate stem cell activity and organ initiation. This review discusses how the various regulatory pathways collectively orchestrate SAM function and touches on how their manipulation can alter stem cell activity to improve crop yield. Full article
(This article belongs to the Special Issue Regulation of Transcription Factor–Hormone Networks in Plants)
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