Contractile vacuole
The contractile vacuole fluid discharge rate is determined by the vacuole size immediately before the start of discharge in Paramecium multimicronucleatum
... a vacuole would be increased by cellular ...a vacuole decreased after compression ...filled vacuole, although the cell tended to swell due to the overall decrease in fluid ...of contractile ...
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Relationship between the membrane potential of the contractile vacuole complex and its osmoregulatory activity in Paramecium multimicronucleatum
... the contractile vacuole (CV) of Paramecium multimicronucleatum was measured in situ using microelectrodes, one placed in the CV and the other (reference electrode) in the cytosol of a living ...
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Electrophysiology of the in situ contractile vacuole complex of Paramecium reveals its membrane dynamics and electrogenic site during osmoregulatory activity
... the contractile vacuole complex in the vorticellid ciliates and Tetrahymena (Patterson, 1980) and in Paramecium, disconnection of the CV membrane from the decorated spongiome membrane may not occur in the ...
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Periodic tension development in the membrane of the in vitro contractile vacuole of Paramecium multimicronucleatum: modification by bisection, fusion and suction
... the contractile vacuole membrane shows a tendency to become transformed into a network of 40 nm tubules during fluid ...the contractile vacuole membrane around a constant volume of fluid is ...
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Cyclic changes in the tension of the contractile vacuole complex membrane control its exocytotic cycle
... When the Paramecium multimicronucleatum cell was mechanically ruptured, the smooth membrane of the contractile vacuole complex (membranes from the CV and the radial arms) became membrane-bound vesicles of ...
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Hypo osmotic or Ca2+ rich external conditions trigger extra contractile vacuole complex generation in Paramecium multimicronucleatum
... In the freshwater protozoan, Paramecium multimicronucleatum, the osmolarity of the cytosol is always higher than that of the external environment (Kitching, 1956; Stock et al., 2001). Water, therefore, constantly enters ...
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How external osmolarity affects the activity of the contractile vacuole complex, the cytosolic osmolarity and the water permeability of the plasma membrane in Paramecium multimicronucleatum
... the contractile vacuole complex (CVC) (Kitching, 1956; Patterson, 1980; Paulin, 1996; Zeuthen, ...the contractile vacuole (CV), the central exocytotic vesicle of the CVC, swells as cytosolic ...
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Copine A Is Required for Cytokinesis, Contractile Vacuole Function, and Development in Dictyostelium
... large contractile vacuoles when placed in ...with contractile vacuoles (10), an organelle involved in osmoregulation, we carried out experiments to determine whether cpnA ⫺ cells are able to behave normally ...
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The Contractile Vacuole as a Key Regulator of Cellular Water Flow in Chlamydomonas reinhardtii
... use contractile vacuoles (CVs) to expel excess ...tractile vacuole in Chlamydomonas is regulated in two different ...the contractile vacuoles increases during cell growth, with the contraction ...
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Electrical properties and fusion dynamics of in vitro membrane vesicles derived from separate parts of the contractile vacuole complex of Paramecium multimicronucleatum
... the contractile vacuole complex membrane is water ...the contractile vacuoles in situ before the opening of the contractile vacuole ...the contractile vacuole membrane to ...
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The Physiology of Contractile Vacuoles
... During this readjustment the momentary rate of change of body volume will be equal to the rate of uptake of fluid minus the rate of output of the contractile vacuole swelling being regar[r] ...
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The Osmoregulatory System of the Amoeba, Acanthamoeba Castellanii
... Effect of polyethylene glycol in the external medium on the rate of output of the contractile vacuole of the amoeba Acanthamoeba castellanii Neff cultured in i % MP Rate of vacuolar outp[r] ...
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CYTOTOXICITY OF MONOCROTOPHOS ON FRESH WATER CILIATE, Paramecium caudatum
... [8] Nageswara Rao A. and Masood Hussain M. (2008): Cytotoxic effects of delfin insecticide (Bacillus thuringiensis) on cell behaviour, phagocytosis, contractile vacuole activity and macronucleus in a ...
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Plasmodium falciparum PfA M1 aminopeptidase is trafficked via the parasitophorous vacuole and marginally delivered to the food vacuole
... parasitophorous vacuole mem- brane to the cytoplasm of the infected red blood ...parasitophorous vacuole, most likely by using its N-terminal hydrophobic domain which has been shown to act as a recessed ...
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Protein Trafficking to the Plant Vacuole Membrane.
... the vacuole and are likely to have a similar structure as previously characterized ...abnormal vacuole morphology, rbb1 vacuoles developed into single large compartments as the wild ...
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The Physiology of Contractile Vacuoles
... In addition, high pressure affects contractile structures; at ordinary temperatures it increases the tension of muscle during contraction Brown, 1934, 1936 and it temporarily increases t[r] ...
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Contractile growth of the hypocotyl in white clover seedlings (Trifolium repens L ) : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science at Massey University
... The hypothesis that ethylene plays a role in contractile growth of the hypocotyl was supported by the results of this study, since hypocotyls from contractile seedlings treated with silv[r] ...
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The Physiology of Contractile Vacuoles
... There is clear indication in some experiments that restoration of output is delayed until the body has swollen to a size slightly greater than normal, and in these cases when the contrac[r] ...
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The Physiology of Contractile Vacuoles
... Moreover, it has been concluded from indirect evidence that an increase in temperature causes an increase in the permeability of the body surface to water, resulting in an increased rate[r] ...
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PubMedCentral-PMC4831882.pdf
... the contractile ring segment, thus opposing the local ...Although contractile ring ingression is also opposed by mem- brane resistance and a resistive force repre- senting the spindle midzone, both of these ...
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