Chapter 4: functions of RAB and SNARE proteins in plant life.

  • Saito C
  • Ueda T
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In all eukaryotic cells, vesicular trafficking is crucial for maintaining
cellular and organelle functions. RABs and SNAREs play key roles
in vesicle/organelle identity and exchange. Budding yeast genetics
and mammalian cell biochemistry were the most effective approaches
for investigating molecular mechanisms underlying vesicular trafficking
and remain important in exploring new horizons. The field of vesicular
trafficking attracted plant biologists in the early 1990s. Today,
this field continues to stimulate a wide range of research. This
review starts with some history of RAB and SNARE research in yeast
and mammals and introduces a widely accepted general model. Then
we summarize recent reports regarding plant RABs and SNAREs, focusing
on functional diversity. Finally, we discuss how plants assign new
roles to conserved vesicular trafficking proteins to perform divergent,
higher order plant functions. Plants have apparently evolved a unique
set of plant-specific RAB and SNARE molecules that play significant
roles in plant life.

Author-supplied keywords

  • Plant Proteins
  • growth /&/ development; SNARE Proteins
  • physiology
  • physiology; Plants
  • physiology; rab GTP-Binding Proteins

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  • Chieko Saito

  • Takashi Ueda

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