Effects of stress on cellular infrastructure and metabolic organization in plant cells

M. A. Aon, S. Cortassa, D. F. Gomez Casati, A. A. Iglesias

Research output: Contribution to journalReview articlepeer-review

Abstract

Ample evidence shows the role of cytoskeleton mainly in cell division, cell form, and general orientation by the perception of physical forces such as gravity and mechanical ones in plant cells. However, the problem of how cytoskeleton organization and its dynamics at the cellular revel in turn affects main metabolic pathways of gene expression and cellular energetics is yet unsolved. Tile response given by cells to environmental challenges such as stress responses is crucially dependent on the organization of their architecture. Drought, high salinity, and low temperature are sensed by plants as a water stress condition. The latter is known to entrain a series of physiological and metabolic changes at the cellular level. This review hypothesizes that the cytoskeletal network of plant cells and tissues may transduce environmental stress into changes in the organization and dynamics of metabolism and gene expression. Accordingly, experimental evidence concerning the current models of cytoplasmic architecture that have emerged in recent years and the effects of stress on the cytostructure are analyzed.

Original languageEnglish (US)
Pages (from-to)239-273
Number of pages35
JournalInternational Review of Cytology
Volume194
StatePublished - Jan 1 1999

Keywords

  • Actin
  • Carbon metabolism
  • Cytoskeleton dynamics
  • Fractal percolation model
  • Microtubules
  • Stress
  • Tensegrity model

ASJC Scopus subject areas

  • Histology
  • Cell Biology

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