The contractile vacuole and its membrane dynamics

Rhett J. Michelson, Ted Weinert

Research output: Contribution to journalReview articlepeer-review

47 Scopus citations

Abstract

The contractile vacuole (CV) is an osmoregulatory organelle whose mechanisms of function are poorly understood. Immunological studies in the last decade have demonstrated abundant proton-translocating V-type ATPases (V-ATPases) in its membrane that could provide the energy, from proton electrochemical gradients, for moving ions into the CV to be followed by water. This review emphasizes recent work on the contractile vacuole complex (CVC) of Paramecium including (1) CV expulsion, (2) a role for V-ATPases in sequestering fluid, (3) identifying ions in the cytosol and in the CV, (4) in situ electrophysiological parameters of the CVC membrane, and (5) a better understanding of the membrane dynamics of this organelie. (C) 2000 John Wiley and Sons, Inc.

Original languageEnglish (US)
Pages (from-to)1035-1042
Number of pages8
JournalBioEssays
Volume22
Issue number11
DOIs
StatePublished - Nov 23 2000

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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