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Effects of Stress on Cellular Infrastructure and Metabolic Organization in Plant Cells

Elsevier Science & Technology
DOI: 10.1016/s0074-7696(08)62398-0
  • Cytoskeleton Dynamics
  • Stress
  • Carbon Metabolism
  • Tensegrity Model
  • Fractal Percolation Model
  • Microtubules
  • Actin
  • Biology
  • Ecology
  • Geography


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 level in turn affects main metabolic pathways of gene expression and cellular energetics is yet unsolved. The 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.

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