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Plants in a cold climate.

Maggie Smallwood1, Dianna J Bowles

  • 1Centre for Novel Agricultural Products, Department of Biology, PO Box 373, University of York, York YO1 5YW, UK. mfs1@york.ac.uk

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|August 13, 2002
PubMed
Summary
This summary is machine-generated.

Plants enhance cold tolerance through a process called cold acclimation, involving perception and signaling of low temperatures. This review covers how plants manage freezing stress, focusing on the extracellular matrix.

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Area of Science:

  • Plant physiology
  • Molecular biology
  • Biochemistry

Background:

  • Plants possess remarkable tolerance to sub-zero temperatures.
  • Pre-exposure to non-freezing cold temperatures enhances freezing tolerance.
  • Cold acclimation is a crucial survival mechanism for plants in temperate climates.

Purpose of the Study:

  • To review the process of cold acclimation in plants.
  • To discuss the mechanisms plants use to combat freezing stress.
  • To emphasize the role of the extracellular matrix in plant cold tolerance.

Main Methods:

  • Review of existing literature on cold acclimation.
  • Analysis of cold-induced gene expression.
  • Examination of cellular responses to freezing stress.

Main Results:

  • Cold acclimation involves perception, signal transduction, and gene expression changes.
  • Freezing of apoplastic water induces significant stress on plant cells.
  • The extracellular matrix plays a vital role in mitigating freezing damage.

Conclusions:

  • Cold acclimation is a complex process essential for plant survival in cold environments.
  • Understanding plant responses to cold stress can inform agricultural practices.
  • Further research into the extracellular matrix's role is warranted for improving crop cold hardiness.