Penium margaritaceum as a model organism for cell wall analysis of expanding plant cells

Maja Gro Rydahl*, Jonatan Ulrik Fangel, Maria Dalgaard Mikkelsen, Ida Elisabeth Johansen, Amanda Andreas, Jesper Harholt, Peter Ulvskov, Bodil Jørgensen, David S. Domozych, William George Tycho Willats

*Corresponding author for this work
5 Citations (Scopus)

Abstract

The growth of a plant cell encompasses a complex set of subcellular components interacting in a highly coordinated fashion. Ultimately, these activities create specific cell wall structural domains that regulate the prime force of expansion, internally generated turgor pressure. The precise organization of the polymeric networks of the cell wall around the protoplast also contributes to the direction of growth, the shape of the cell, and the proper positioning of the cell in a tissue. In essence, plant cell expansion represents the foundation of development. Most studies of plant cell expansion have focused primarily upon late divergent multicellular land plants and specialized cell types (e.g., pollen tubes, root hairs). Here, we describe a unicellular green alga, Penium margaritaceum (Penium), which can serve as a valuable model organism for understanding cell expansion and the underlying mechanics of the cell wall in a single plant cell.

Original languageEnglish
Title of host publicationPlant cell expansion : methods and protocols
EditorsJosé M. Estevez
Number of pages21
PublisherSpringer
Publication date2015
Pages1-21
Chapter1
ISBN (Print)978-1-4939-1901-7
ISBN (Electronic)978-1-4939-1902-4
DOIs
Publication statusPublished - 2015
SeriesMethods in Molecular Biology
Volume1242
ISSN1064-3745

Keywords

  • Cell expansion
  • Confocal laser scanning microscopy
  • Isolation of pure cell wall
  • Live cell labeling
  • Manipulation of cell wall
  • Penium margaritaceum
  • Variable pressure scanning electron microscopy

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