Plant proton pumps

Roberto A. Gaxiola, Michael G. Palmgren, Karin Schumacher

Research output: Contribution to journalShort surveypeer-review

366 Scopus citations


Chemiosmotic circuits of plant cells are driven by proton (H+) gradients that mediate secondary active transport of compounds across plasma and endosomal membranes. Furthermore, regulation of endosomal acidification is critical for endocytic and secretory pathways. For plants to react to their constantly changing environments and at the same time maintain optimal metabolic conditions, the expression, activity and interplay of the pumps generating these H+ gradients have to be tightly regulated. In this review, we will highlight results on the regulation, localization and physiological roles of these H+- pumps, namely the plasma membrane H+-ATPase, the vacuolar H+-ATPase and the vacuolar H+-PPase.

Original languageEnglish (US)
Pages (from-to)2204-2214
Number of pages11
JournalFEBS Letters
Issue number12
StatePublished - May 25 2007
Externally publishedYes


  • H-ATPase
  • H-PPases
  • Plasma membrane
  • Proton pumps
  • Vacuolar

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology


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