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1-12 of 12
Keywords: Contractile vacuole
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Journal Articles
In collection:
Membrane Trafficking
Journal:
Journal of Cell Science
J Cell Sci (2023) 136 (2): jcs260477.
Published: 18 January 2023
...Paul T. Manna; Lael D. Barlow; Inmaculada Ramirez-Macias; Emily K. Herman; Joel B. Dacks ABSTRACT Contractile vacuoles (CVs), enigmatic osmoregulatory organelles, share common characteristics, such as a requirement for RAB11 and high levels of V-ATPase. These commonalities suggest a conserved...
Includes: Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2016) 129 (15): 3008–3014.
Published: 1 August 2016
...Feifei Xu; Xiaoan Wu; Lin-Hua Jiang; Hucheng Zhao; Junmin Pan ABSTRACT Fresh water protozoa and algae face hypotonic challenges in their living environment. Many of them employ a contractile vacuole system to uptake excessive water from the cytoplasm and expel it to the environment to achieve...
Includes: Supplementary data
Journal Articles
Sayantanee Niyogi, Veronica Jimenez, Wendell Girard-Dias, Wanderley de Souza, Kildare Miranda, Roberto Docampo
Journal:
Journal of Cell Science
J Cell Sci (2015) 128 (12): 2363–2373.
Published: 15 June 2015
...Sayantanee Niyogi; Veronica Jimenez; Wendell Girard-Dias; Wanderley de Souza; Kildare Miranda; Roberto Docampo ABSTRACT The contractile vacuole complex (CVC) of Trypanosoma cruzi , the etiologic agent of Chagas disease, collects and expels excess water as a mechanism of regulatory volume decrease...
Includes: Supplementary data
Journal Articles
Joern Linkner, Gregor Witte, Hongxia Zhao, Alexander Junemann, Benjamin Nordholz, Petra Runge-Wollmann, Pekka Lappalainen, Jan Faix
Journal:
Journal of Cell Science
J Cell Sci (2014) 127 (6): 1279–1292.
Published: 15 March 2014
... phagocytic cups, in foci connecting dividing cells during the final stage of cytokinesis and most prominently at the osmoregulatory contractile vacuole (CV). Consistently, IBARa-null mutants displayed defects in CV formation and discharge, growth, phagocytosis and mitotic cell division, whereas filopodia...
Includes: Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2012) 125 (12): 2885–2895.
Published: 15 June 2012
...Karin Komsic-Buchmann; Lisa Marie Stephan; Burkhard Becker Summary Contractile vacuoles (CVs) are essential for osmoregulation in many protists. To investigate the mechanism of CV function in Chlamydomonas , we isolated novel osmoregulatory mutants. Four of the isolated mutant cell lines carried...
Includes: Multimedia, Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2010) 123 (19): 3226–3234.
Published: 1 October 2010
... why SecA is required for motility, we examined membrane trafficking in the mutant. Plasma membrane circulation is rapidly inhibited at the restrictive temperature and the cells acquire a prominent vesicle. Organelle-specific markers show that this is an undischarged contractile vacuole, and we found...
Includes: Multimedia, Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2008) 121 (7): 1054–1064.
Published: 1 April 2008
..., are on contractile vacuoles. MEGAP1 – /2 – cells empty their contractile vacuoles less efficiently than normal and consequently have three times the usual number. GFP-tagged MEGAP1 localises to tubules of the contractile vacuole network and when vacuoles start to empty they recruit cytosolic GFP-MEGAP1. Mutants...
Includes: Multimedia, Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2006) 119 (5): 837–845.
Published: 1 March 2006
...Valentina Mercanti; Cédric Blanc; Yaya Lefkir; Pierre Cosson; François Letourneur The mechanisms responsible for the targeting of transmembrane integral proteins to the contractile vacuole (CV) network in Dictyostelium discoideum are unknown. Here we show that the transfer of the cytoplasmic...
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2005) 118 (13): 2813–2825.
Published: 1 July 2005
... in Paramecium . Green fluorescent protein (GFP) fusion proteins allowed a clear subcellular localization of c- and F-subunits in the contractile vacuole complex of the osmoregulatory system and in food vacuoles. Several other organelles were also detected, in particular dense core secretory granules...
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2002) 115 (14): 2893–2905.
Published: 15 July 2002
...Margaret Clarke; Jana Köhler; Quyen Arana; Tongyao Liu; John Heuser; Günther Gerisch The vacuolar H + -ATPase (V-ATPase) is a multi-subunit enzyme that plays important roles in eukaryotic cells. In Dictyostelium , it is found primarily in membranes of the contractile vacuole complex, where...
Includes: Multimedia, Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2001) 114 (16): 3035–3045.
Published: 15 August 2001
... was exclusively associated with the ATPase proton pump-rich contractile vacuole membrane system, consisting of a reticular network and bladder-like vacuoles. Video microscopy of cells expressing GFP-DdRab11 revealed that this Rab was associated with contractile vacuolar bladders undergoing formation, fusion...
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2001) 114 (11): 2155–2165.
Published: 1 June 2001
... of a contractile vacuole with the cell membrane. During protrusion extension, a patch of the contractile vacuole membrane stayed undiffused on the leading edge of the protrusion for over 30 seconds. Protrusion formation was not inhibited by high osmolarity of the external medium (at least up to 400 mosM...
Includes: Multimedia, Supplementary data