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Programmed cell death in plants.

A S Fomicheva1, A I Tuzhikov, R E Beloshistov

  • 1Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, 119991, Russia.

Biochemistry. Biokhimiia
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Summary

Programmed cell death (PCD) in plants shares mechanisms with animal apoptosis, but distinct features exist. This review compares plant phytaspases and animal caspases, highlighting similarities and differences in PCD implementation.

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Area of Science:

  • Plant biology
  • Cellular biology
  • Biochemistry

Background:

  • Programmed cell death (PCD) is a fundamental biological process.
  • PCD occurs in both plants and animals, with distinct evolutionary paths.
  • Understanding PCD mechanisms is crucial for various biological processes.

Purpose of the Study:

  • To review modern concepts of programmed cell death (PCD) in plants.
  • To compare PCD mechanisms and participants in plants versus animals.
  • To elucidate commonalities and differences in PCD implementation.

Main Methods:

  • Comparative analysis of scientific literature.
  • Review of molecular mechanisms of PCD.
  • Focus on proteolytic enzymes (caspases and phytaspases).

Main Results:

  • Programmed cell death (PCD) in plants shares fundamental similarities with animal apoptosis.
  • Key differences exist in the specific molecular players and regulation of PCD between plants and animals.
  • Plant phytaspases and animal caspases represent distinct but functionally analogous enzyme families.

Conclusions:

  • PCD is a conserved but diversely implemented process across kingdoms.
  • Comparative studies of plant and animal PCD offer insights into evolutionary strategies.
  • Further research into phytaspases and plant-specific PCD pathways is warranted.